Abrégé

This hot dipped steel material has: a steel material; and a plating layer that is formed on the surface of the steel material and has a specific chemical composition. The thickness of the plating layer is 5 μm or more. The plating layer has a first region and a second region, and satisfies the following formulae (1) to (6): (1) Ra_A ≤ 10.0; (2) Ra_B ≤ 10.0; (3) 1.5 ≤ |Ra_A - Ra_B|; (4) 150 ≤ HV_x ≤ 350; (5) 200 ≤ HV_max; and (6) 0.80 ≤ HV_big/HV_sml ≤ 1.50.

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• B24C 1/04 - Méthodes d'utilisation de jet abrasif en vue d'effectuer un travail déterminéUtilisation d'équipements auxiliaires liés à ces méthodes pour travailler uniquement certaines parties déterminées, p. ex. pour graver la pierre ou le verre
• B24C 11/00 - Emploi de matériaux abrasifs spécifiés pour les jets abrasifs
• C21D 1/26 - Méthodes de recuit
• C21D 7/06 - Modification des propriétés physiques du fer ou de l'acier par déformation par travail à froid de la surface par grenaillage ou similaire
• C22C 18/00 - Alliages à base de zinc
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/26 - Post-traitement

Abrégé

Provided is a cooling structure (1) having water-cooling medium flow paths (25) formed so as to be in contact with a bottom surface portion (10a) of a battery pack (10). The cooling structure (1) has a flow path formation part (21) that forms a portion of the water-cooling medium flow paths (25). The flow path formation part (21) is joined to an adherend member by an adhesion part (30). The adherend member is made of a steel sheet obtained by forming an inorganic coating or a resin coating as a chemical conversion coating on an Al-based plated steel sheet or a Zn-based plated steel sheet. The flow path formation part (21) is made of an aluminum alloy. The thickness of the adhesion part (30) is at least 0.0005 mm. The adhesion part (30) protrudes by at least 0.1 mm toward the water-cooling medium flow paths (25). The flow path interval between the water-cooling medium flow paths (25) is at most 20 mm. The width of the water-cooling medium flow paths (25) is at most 60 mm.

Classes IPC  ?

• H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
• C23C 2/12 - Aluminium ou ses alliages
• C23C 2/26 - Post-traitement
• C23C 22/40 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des molybdates, des tungstates ou des vanadates
• C23C 22/53 - Traitement du zinc ou des alliages à base de zinc
• C23C 22/56 - Traitement de l'aluminium ou des alliages à base d'aluminium
• C23C 26/00 - Revêtements non prévus par les groupes
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/651 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des paramètres spécifiés par une valeur numérique ou une formule mathématique, p. ex. rapports, tailles ou concentrations
• H01M 10/655 - Structures solides pour l'échange ou la conduction de la chaleur
• H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments

Abrégé

ABABBAA.

Classes IPC  ?

• C23C 2/26 - Post-traitement
• C21D 1/26 - Méthodes de recuit
• C21D 1/76 - Réglage de la composition de l'atmosphère
• C22C 18/00 - Alliages à base de zinc
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 8/16 - Oxydation au moyen de composés contenant de l'oxygène, p. ex. H2O, CO2
• C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et

Abrégé

This determination system comprises: an imaging device provided in a conveyance machine for conveying iron scrap; and a foreign matter determination device that acquires a determination target image captured by the imaging device and determines whether the iron scrap includes foreign matter.

Classes IPC  ?

• B07C 5/342 - Tri en fonction d'autres propriétés particulières selon les propriétés optiques, p. ex. la couleur
• G06Q 10/30 - Administration du recyclage ou de l’élimination des produits

Abrégé

The present invention has as its object to provide grain-oriented electrical steel sheet better improved in core loss in control of magnetic domains for forming laser grooves in cold rolled steel sheet. The present invention provides grain-oriented electrical steel sheet meeting the following requirements for achieving the object: The present invention has as its object to provide grain-oriented electrical steel sheet better improved in core loss in control of magnetic domains for forming laser grooves in cold rolled steel sheet. The present invention provides grain-oriented electrical steel sheet meeting the following requirements for achieving the object: That is, it provides grain-oriented electrical steel sheet comprising a base material steel sheet having a plurality of grooves on the surface of the steel sheet and a glass coating on the surface of the base material steel sheet, in which grain-oriented electrical steel sheet, an absolute value of an angle θ formed by a direction perpendicular to a rolling direction and a sheet thickness direction of the base material steel sheet and a longitudinal direction of the grooves is 0 to 40°, a width W of the grooves is 20 μm to 300 μm, a depth D of the grooves is 10 μm to 40 μm, and a pitch P of the grooves in the rolling direction is 1.0 mm to 30 mm, and, when a thickness of the glass coating at flat parts of the surface of the base material steel sheet is t1, a glass coating thickness of deepest parts of the grooves in the recessed parts of the grooves is t2, and a glass coating thickness of side parts of the grooves is t3, the relationship of formula (1) is satisfied: The present invention has as its object to provide grain-oriented electrical steel sheet better improved in core loss in control of magnetic domains for forming laser grooves in cold rolled steel sheet. The present invention provides grain-oriented electrical steel sheet meeting the following requirements for achieving the object: That is, it provides grain-oriented electrical steel sheet comprising a base material steel sheet having a plurality of grooves on the surface of the steel sheet and a glass coating on the surface of the base material steel sheet, in which grain-oriented electrical steel sheet, an absolute value of an angle θ formed by a direction perpendicular to a rolling direction and a sheet thickness direction of the base material steel sheet and a longitudinal direction of the grooves is 0 to 40°, a width W of the grooves is 20 μm to 300 μm, a depth D of the grooves is 10 μm to 40 μm, and a pitch P of the grooves in the rolling direction is 1.0 mm to 30 mm, and, when a thickness of the glass coating at flat parts of the surface of the base material steel sheet is t1, a glass coating thickness of deepest parts of the grooves in the recessed parts of the grooves is t2, and a glass coating thickness of side parts of the grooves is t3, the relationship of formula (1) is satisfied: (t2+t3)/2≥t1  formula (1)

Classes IPC  ?

• H01F 1/18 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de feuilles avec revêtement isolant
• B23K 26/364 - Gravure au laser pour faire une rainure ou une saignée, p. ex. pour tracer une rainure d'amorce de rupture
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium

Abrégé

The zinc-plated steel sheet includes a base steel sheet having a predetermined chemical composition, a Fe—Al alloy layer formed on at least a part of a surface of the base steel sheet, and a zinc-plated layer formed on the base steel sheet surface or a surface of the Fe—Al alloy layer, the base steel sheet has an internal oxide layer of 0.2 μm or more in a sheet thickness direction from the base steel sheet surface, the Fe—Al alloy layer has an average thickness of 1 nm or more and less than 100 nm, and in a cross section in a thickness direction, the grain boundary coverage by an oxide is 60% or more in the internal oxide layer, a coverage of the base steel sheet surface by the Fe—Al alloy layer is 40% or more, and the tensile strength is 980 MPa or more and 2000 MPa or less.

Classes IPC  ?

• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/40 - PlaquesBandes

Abrégé

A vehicle body 1 includes a center pillar 4 and a side sill 5. A front portion 5a and a rear portion 5b of the side sill 5 are restricted from moving inward in a width direction at a front restricting position X2F and a rear restricting position X2R, respectively. The center pillar 4 includes an overlapping portion 22 that covers an external surface of the side sill 5. A center position of the center pillar 4 is specified as X0, a front end position of the overlapping portion 22 from the center position X0 is specified as X1F, and a distance from the center position X0 to the front restricting position X2F is specified as L0. A distance from the center position X0 to the end portion position X1F is specified as L1. A ratio L1/L0 between the distances is 0.36≤L1/L0≤0.48.

Classes IPC  ?

• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B62D 25/02 - Panneaux latéraux
• B62D 25/04 - Montants de portes

Abrégé

The present invention has as its object to provide grain-oriented electrical steel sheet better improved in core loss in control of magnetic domains for forming laser grooves in cold rolled steel sheet. The present invention provides grain-oriented electrical steel sheet meeting the following requirements for achieving the object: The present invention has as its object to provide grain-oriented electrical steel sheet better improved in core loss in control of magnetic domains for forming laser grooves in cold rolled steel sheet. The present invention provides grain-oriented electrical steel sheet meeting the following requirements for achieving the object: That is, it provides grain-oriented electrical steel sheet comprising a base material steel sheet having a plurality of grooves on its surface and a glass coating on the surface of the base material steel sheet, in which grain-oriented electrical steel sheet, an absolute value of an angle θ formed by a direction perpendicular to a rolling direction and a sheet thickness direction of the base material steel sheet and a longitudinal direction of the grooves is 0 to 40°, a width W of the grooves is 20 μm to 300 μm, a depth D of the grooves is 10 μm to 40 μm, and a pitch P of the grooves in the rolling direction is 1.0 mm to 30.0 mm, and, at an inside of the glass coating directly under surfaces of the recessed parts of the grooves, one or more fine grains of a long axis of 1 μm or more and 20 μm or less are present in a cross-section perpendicular to the longitudinal direction of the grooves.

Classes IPC  ?

• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium

Abrégé

In this blast furnace operation method, a first reducing gas containing a hydrogen-based reducing gas as a main component is blown into a blast furnace, a second reducing gas recovered and separated from furnace top exhaust gas and containing at least 50% of CO gas by volume fraction is blown into the blast furnace, and the temperature of the second reducing gas is raised to a blowing temperature before the second reducing gas is blown into the blast furnace, wherein the blowing temperature of the second reducing gas is determined on the basis of the amount of the first reducing gas blown into the blast furnace and the amount of the second reducing gas blown into the blast furnace.

Classes IPC  ?

• C21B 5/00 - Fabrication de la fonte brute dans les hauts fourneaux

Abrégé

The present invention provides an Ni-based alloy tube which is capable of achieving sufficient nitriding resistance in a high-temperature ammonia environment. An Ni-based alloy tube according to the present disclosure has a chemical composition set forth in the description, and a developed area ratio Sdr on the inner surface of the Ni-based alloy tube satisfies formula (1).　(1): Cr/((2.0 + 0.8 × Fe + 6.0 × Ti) × (1.5 + 10.0 × Sdr)) ≥ 0.9 In formula (1), the content, in mass%, of an element is assigned to each of the corresponding element symbols. In cases where an element is not contained, "0" is assigned to the corresponding element symbol.

Classes IPC  ?

• C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
• B21C 23/00 - Extrusion des métauxExtrusion par percussion
• B21C 23/08 - Fabrication de fils, de barres, de tubes
• C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
• C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages

Abrégé

This cutting device cuts a workpiece sandwiched in a first direction, wherein: a first tool 110 and a second tool 120 are arranged facing one other in the first direction; a blade portion 110a of the first tool and a blade portion 120a of the second tool each have a pressing surface S1 perpendicular to the first direction and a first vertical wall surface S2 perpendicular to the pressing surface S1; at least one of the blade portion 110a of the first tool and the blade portion 120a of the second tool has a tool inclined surface S3 between the pressing surface S1 and the first vertical wall surface S2, the angle formed by the pressing surface S1 and the tool inclined surface S3 being an obtuse angle; and a clearance C [mm] between the first tool 110 and the second tool 120 and a distance d [mm] between the pressing surfaces S1 satisfy formula (A).　(A): n

Classes IPC  ?

• B23D 19/06 - Machines à cisailler ou dispositifs de cisaillage taillant au moyen de disques rotatifs ayant des disques de cisaillage rotatifs disposés par paires travaillant conjointement avec plusieurs paires de disques de cisaillage espacées travaillant simultanément, p. ex. pour rogner ou fabriquer des bandes

Abrégé

A crawler link (7), which is a wear-resistant component, comprises: a high-hardness part (7A) that is composed of steel having a specific component composition, has a hardness of 57-60 HRC, and has a martensite structure; and a low-hardness part (7B) that is a region other than the high-hardness part (7A), has a lower hardness than the high-hardness part (7A), and has a martensite structure. The high-hardness part (7A) includes: a parent phase composed of martensite; and carbides (92) dispersed in a lath (91) of the parent phase. The area ratio of the carbides (92) in the cross section of the high-hardness part (7A) is at least 9%.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B62D 55/20 - Chenilles du type articulé, p. ex. à chaînes
• C21D 8/00 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This spot welding device is a spot welding device for performing spot welding on a plurality of steel sheets overlapping with each other by clamping the plurality of steel sheets between a pair of electrodes, and energizing the plurality of steel sheets while pressurizing the plurality of steel sheets, in which a speed at which the pair of electrodes approach each other is limited to at least 12.0 mm/s or slower during a period from start of the energization to end of the energization.

Classes IPC  ?

• B23K 11/11 - Soudage par points
• B23K 11/31 - Porte-électrodes
• B23K 103/04 - Alliages d'acier

Abrégé

An austenitic stainless steel with good strength and ductility is provided. An austenitic stainless steel has a chemical composition of, in mass %: 0.005 to 0.060% C; 0.20 to 1.20% Si; 4.0 to 8.0% Mn; 12.0 to 15.0% Ni; 19.0 to 24.0% Cr; 1.0 to 4.0% Mo; 0.05 to 0.40% Nb; 0.05 to 0.40% V; 0.20 to 0.50% N; up to 0.050% Al; and other elements, the tensile strength being not lower than 800 MPa, the braking elongation being not lower than 35%, the steel satisfying the following expressions, (1) and (2): (1) 0.7×Nb≤[Nb]≤0.30; and (2) 20×[Nb]/D≥0.050. In expressions (1) and (2), the Nb content in the chemical composition represented in mass %, the amount of Nb determined through analysis of an electrolytic extraction residue represented in mass %, and the crystal grain size represented in μm are substituted for “Nb”, “[Nb]”, and “D”, respectively.

Classes IPC  ?

• C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
• C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
• C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

This steel sheet includes, in mass % C: 0.15% to 0.50%, Si: 0.01% to 1.00%, Mn: 1.00% to 3.00%, P: 0% to 0.0200%, S: 0.0001% to 0.0200%, Al: 0.001% to 0.100%, and N: 0% to 0.0200%, with the remainder being Fe and impurities, in which a metallorgraphic structure has an area fraction of 0% to 10.0% of retained austenite and 0% to 5.0% of pearlite, ferrite, and bainite in total, with the remaining structure being martensite and tempered martensite, a maximum diameter of MnS predicted by extreme value statistics is 30 μm or less, a surface roughness Ra is 5 μm or less, and a surface layer has a Vickers hardness of greater than or equal to a tensile strength TS (MPa) of the steel sheet×0.25.

Classes IPC  ?

• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse

Abrégé

A martensitic stainless steel material having high strength, and having excellent corrosion resistance in a corrosive environment in which SOx or NOx is mixed is provided. The martensitic stainless steel material according to the present disclosure satisfies a chemical composition described herein, and satisfies Formula (1). The yield strength is 862 MPa or more. In the martensitic stainless steel material, a number ratio of Mg oxides having an equivalent circular diameter of 2.0 μm or more with respect to Ca oxides having an equivalent circular diameter of 2.0 μm or more, Ca sulfides having an equivalent circular diameter of 2.0 μm or more, and the Mg oxides having an equivalent circular diameter of 2.0 μm or more is 45.0% or more. A martensitic stainless steel material having high strength, and having excellent corrosion resistance in a corrosive environment in which SOx or NOx is mixed is provided. The martensitic stainless steel material according to the present disclosure satisfies a chemical composition described herein, and satisfies Formula (1). The yield strength is 862 MPa or more. In the martensitic stainless steel material, a number ratio of Mg oxides having an equivalent circular diameter of 2.0 μm or more with respect to Ca oxides having an equivalent circular diameter of 2.0 μm or more, Ca sulfides having an equivalent circular diameter of 2.0 μm or more, and the Mg oxides having an equivalent circular diameter of 2.0 μm or more is 45.0% or more. 0.001 ≤ Ca + Mg ≤ 0.005 ( 1 ) A martensitic stainless steel material having high strength, and having excellent corrosion resistance in a corrosive environment in which SOx or NOx is mixed is provided. The martensitic stainless steel material according to the present disclosure satisfies a chemical composition described herein, and satisfies Formula (1). The yield strength is 862 MPa or more. In the martensitic stainless steel material, a number ratio of Mg oxides having an equivalent circular diameter of 2.0 μm or more with respect to Ca oxides having an equivalent circular diameter of 2.0 μm or more, Ca sulfides having an equivalent circular diameter of 2.0 μm or more, and the Mg oxides having an equivalent circular diameter of 2.0 μm or more is 45.0% or more. 0.001 ≤ Ca + Mg ≤ 0.005 ( 1 ) Where, a content of a corresponding element in percent by mass is substituted for each symbol of an element in Formula (1).

Classes IPC  ?

• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
• C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
• C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
• C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt

Abrégé

[Problem] To further improve the punching property while maintaining ironing moldability during drawing-and-ironing molding. [Solution] A film-laminated steel sheet according to the present invention comprises: a steel sheet that serves as a base material; a film layer that is provided on the front and back surfaces of the steel sheet and that is constituted by a thermoplastic polyester film; and a wax layer that is provided on the film layer, wherein the adhesion amount of the wax layer is within the range of 0.030-0.135 g/m2 per surface, the adhesion amount of the wax layer is different between the front-side surface and the back-side surface of the steel sheet, and the adhesion amount ratio, which is obtained by dividing the adhesion amount of the wax layer on a large-adhesion-amount-side surface by the adhesion amount of the wax layer on a small-adhesion-amount-side surface, is within the range of 1.05-1.35.

Classes IPC  ?

• B32B 15/09 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des polyesters
• B65D 1/12 - Boîtes de conserves, barils, tonneaux ou fûts
• B65D 65/42 - Emploi de substances enduites ou imprégnées

Abrégé

[Problem] To further improve drawing moldability while maintaining punch release properties during DI molding. [Solution] A film-laminated steel sheet according to the present invention comprises: a steel sheet serving as a base material; a film layer composed of a thermoplastic polyester film and disposed on the front and back surfaces of the steel sheet; and a wax layer disposed on the film layer, wherein the coating weight of the wax layer is 0.030-0.120 g/m2 per surface, the coating weight of the wax layer differs between the front surface and the back surface of the steel sheet, and the coating weight ratio obtained by dividing the coating weight of the wax layer on a higher coating weight-side surface by the coating weight of the wax layer on a lower coating weight-side surface is in the range of 1.04-1.67.

Classes IPC  ?

• B32B 15/09 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des polyesters
• B65D 1/12 - Boîtes de conserves, barils, tonneaux ou fûts
• B65D 65/42 - Emploi de substances enduites ou imprégnées

Abrégé

A structural member (S, S2) comprises a wheel house (20) and side frames (31). The wheel house (20) includes a wheel house body (21) and a flange (22). The wheel house body (21) forms a space for accommodating a wheel. The flange (22) protrudes outward from the distal end of the wheel house body (21). The side frames (31) are formed integrally with the wheel house (20). The side frames (31) are joined to the wheel house (20) by welding. In each side frame (31), the minimum value of the Vickers hardness of the heat affected zone of a welded portion (50) is 70% or more of the Vickers hardness of the non-welded portions.

Classes IPC  ?

• B62D 25/20 - Planchers ou sous-ensembles du fond
• B21D 22/26 - Emboutissage pour faire des objets de formes particulières, p. ex. de formes irrégulières

Abrégé

A prediction device according to the present invention comprises a prediction unit that calculates a first fraction for a first period and a second fraction for a second period for each phase of a plating layer on the basis of how much of each of a plurality of components is included in the plating layer, calculates the period length of the first period, which is until a portion of the corrosion of the plating layer reaches a base steel, on the basis of a corrosion rank for each phase, the first fraction for each phase, and a first corrosion speed for each phase, calculates the period length of the second period, which follows the first period, on the basis of the corrosion rank for each phase, the second fraction for each phase, and a second corrosion speed for each phase, and calculates the total of the period length of the first period and the period length of the second period as prediction results for the corrosion resistance of the plating layer.

Classes IPC  ?

• G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière
• C23C 2/00 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet

Abrégé

This cold-rolled steel sheet has a predetermined chemical composition, in which a metallographic structure at a ¼ depth position, which is a ¼ thickness position from a surface, contains, by volume percentage, retained austenite: more than 1.0% and less than 8.0%, tempered martensite: 80.0% or more, ferrite and bainite: 0% or more and 15.0% or less in total, and martensite: 0% or more and 5.0% or less, and in the metallographic structure, a prior γ grain size is 5.0 μm or more and 25.0 μm or less, and a number density of retained γ on a prior γ grain boundary is 100/mm2 or less.

Classes IPC  ?

• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

A steel material reduced in tensile residual stress at a sheared edge, in particular a fractured surface, is disclosed. The steel material of the present disclosure has a sheared edge, the sheared edge has a rollover, a fractured surface, and a burr, the fractured surface includes a first part and a second part, the first part is formed by a first crack propagating from the rollover side to the burr side, the second part is formed by a second crack propagating from the burr side to the rollover side, and an area ratio of the first part in the fractured surface is greater than an area ratio of the second part in the fractured surface.

Classes IPC  ?

• B21D 28/00 - Mise en forme par découpage à la pressePerforation

Abrégé

A method for manufacturing a projection weld joint according to an aspect of the present invention includes: a first energizing step of energizing a steel sheet and a steel member so as to form a plurality of joint portions by projection welding a steel member to a first surface of a steel sheet that is a non-coated steel sheet or a zinc-type-coated steel sheet, in which the steel sheet has a tensile strength of 1.5 GPa or more, and the steel sheet has a Ceq of 0.30 mass % or more, and the manufacturing method further includes: a cooling step of quenching each of the plurality of joint portions; and a second energizing step of further energizing the steel sheet and the steel member so as to temper an end region in each of the plurality of joint portions.

Classes IPC  ?

• B23K 11/14 - Soudage par projection
• B23K 11/16 - Soudage par résistance tenant compte des propriétés du métal à souder
• B23K 11/24 - Circuits d'alimentation ou de commande appropriés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse

Abrégé

Provided is a steel sheet for hot stamping having a predetermined chemical composition and a metallographic structure comprising, by area ratio, ferrite: 10% or more and pearlite: 10% or more, wherein a total of ferrite and pearlite is 80% or more, and a dispersion index of pearlite is 0.50 or more. Further, provided is a hot stamped part having a predetermined chemical composition and a metallographic structure comprising, by area ratio, at least one of martensite, bainite, and tempered martensite in a total of 90% or more, wherein a standard deviation in a hardness distribution of prior austenite grains at a sheet thickness ¼ position is 150 Hv or less.

Classes IPC  ?

• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
• C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore

Abrégé

Provided is a welded joint characterized by comprising: a plurality of overlapped steel sheets; a spot welding part having a nugget, a pressure contact part formed around the nugget, and a heat-affected part; and a separation part, at least one of the steel sheets being an Al-containing plated steel sheet provided with a base material steel sheet and a plating layer formed on at least the surface, from among the surfaces of the base material steel sheet, that corresponds to an overlap surface where a plurality of steel sheets overlap, the plating layer of the Al-containing plated steel sheet containing Zn and/or the steel sheet adjacent to the Al-containing plated steel sheet having Zn-containing plating on the surface thereof that corresponds to the overlap surface, the plating layer in the separation part on the outside of the heat-affected part having a prescribed chemical composition, the thickness of an Fe-Al phase being 10-200 μm in the plating layer of the separation part in a region 1 mm from the end section of the pressure contact part, and the area ratio of a Zn-rich phase being 0-20%.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• B23K 11/11 - Soudage par points
• B23K 11/16 - Soudage par résistance tenant compte des propriétés du métal à souder
• C22C 21/00 - Alliages à base d'aluminium
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile

Abrégé

0000×100 ≥ 3; the plating layer includes an Fe-Al phase; and the thickness of the Fe-Al phase is 4-50 μm.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C22C 21/00 - Alliages à base d'aluminium
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile

Abrégé

Provided is a steel sheet characterized in that the tensile strength thereof is 1660 MPa or more, the metal structure thereof has, in terms of area%, 85.0% or more of martensite and 1.0%-7.0% of residual austenite, the balance structure making up 10.0% or less.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

A martensitic stainless steel material having high strength, and having excellent corrosion resistance in a corrosive environment in which SOx or NOx is mixed is provided. The martensitic stainless steel material according to the present disclosure satisfies a chemical composition described herein, and satisfies Formula (1). The yield strength is 758 to less than 862 MPa. In the martensitic stainless steel material, a number ratio of Mg oxides having an equivalent circular diameter of 2.0 m or more with respect to Ca oxides having an equivalent circular diameter of 2.0 m or more, Ca sulfides having an equivalent circular diameter of 2.0 m or more, and the Mg oxides having an equivalent circular diameter of 2.0 m or more is 40.0% or more. 0.0010 Ca+Mg 0.0050...(1) Where, a content of a corresponding element in percent by mass is substituted for each symbol of an element in Formula (1).

Classes IPC  ?

• B21B 1/16 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer du fil métallique ou un matériau semblable de petite section
• B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
• B21B 19/04 - Laminage de matériaux de structure pleine, c.-à-d. non évidéePerçage
• B21B 19/10 - Finition, p. ex. ponçage, calibrage
• C21C 7/00 - Traitement à l'état liquide des alliages ferreux, p. ex. des aciers, non couverts par les groupes
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/00 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique
• C21D 9/08 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour corps tubulaires ou tuyaux
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

A titanium alloy foil, wherein when a thickness is represented by t, the t is 0.005 mm or more and 0.200 mm or less, in X-ray diffraction intensities obtained when X-ray diffraction is performed on a surface, a peak intensity of a 200 plane of a crystal of a body-centered cubic structure is 5.0 times or larger a maximum peak intensity from other crystal structures, in X-ray diffraction intensities of the crystal of the body-centered cubic structure among the X-ray diffraction intensities, the peak intensity of the 200 plane or a peak intensity of a 211 plane is larger than a peak intensity of a 110 plane, and a tensile strength is 1,000 MPa or more and 1,800 MPa or less.

Classes IPC  ?

• H10K 59/80 - Détails de structure
• C22C 14/00 - Alliages à base de titane
• H10K 59/12 - Affichages à OLED à matrice active [AMOLED]
• H10K 102/00 - Détails de structure relatifs aux dispositifs organiques couverts par la présente sous-classe

Abrégé

There is provided a non-oriented electrical steel sheet having a predetermined chemical composition, in which an area fraction of a crystal structure A composed of crystal grains having a grain size of 100 μm or more is 1% to 30% in a cross section parallel to a rolled plane of the non-oriented electrical steel sheet, an average grain size of a crystal structure B which is a crystal structure other than the crystal structure A is 40 μm or less, and a Vickers hardness HvA of the crystal structure A and a Vickers hardness HvB of the crystal structure B satisfy Equation 1 ((HvA2+HvB2)/2−(HvA+HvB)2/4≤7.0).

Classes IPC  ?

• H01F 1/147 - Alliages caractérisés par leur composition
• B32B 15/01 - Produits stratifiés composés essentiellement de métal toutes les couches étant composées exclusivement de métal
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
• C22C 38/20 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cuivre
• C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
• C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

A hot-dip plated steel material has a plating layer on a surface of a steel material, in which the plating layer contains Al: more than 22.5% and 50.0% or less, Mg: more than 3.0% and 15.0% or less, Ca: 0.03 to 0.6%, Si: 0.03 to 1.0%, Fe: 2 to 25%, and a remainder consisting of Zn and impurities, and, in an X-ray diffraction pattern of a surface of the plating layer, measured under conditions in which an X-ray output is a voltage of 50 kV and a current of 300 mA using a Cu-K ray, I1 obtained from an X-ray diffraction peak of Al0.5Fe1.5 is 1.1 or more, and I2 obtained from X-ray diffraction peaks of Zn, Al, and MgZn2 is 0.25 or less.

Classes IPC  ?

• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/12 - Aluminium ou ses alliages

Abrégé

A steel sheet has a predetermined chemical composition, a microstructure at a t/4 portion ranging from ⅛ to ⅜ of a sheet thickness in a sheet thickness direction from a surface includes, by area ratio, ferrite: less than 10.0% and pearlite: more than 90.0%, a remainder of the microstructure is one or two or more of bainite, martensite, and residual austenite, granular cementites present on block boundaries and granular cementites present on colony boundaries have a maximum diameter of 0.50 μm or less in the microstructure, the number of grains of the granular cementites present on the block boundaries and grains of the granular cementites present on the colony boundaries per unit length is 0.3 pieces/μm or more and 5.0 pieces/μm or less, the granular cementites are cementites having an aspect ratio of less than 10, and a tensile strength is 1,200 MPa or more.

Classes IPC  ?

• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium

Abrégé

A hot stamped body, including: a steel material; and a plated layer, wherein a chemical composition of the plated layer contains, in mass %, 0 to 70% of Al, 10 to 60% of Fe, 0 to 20% of Si, and a C-group element being any one kind or two kinds of Li and Y, with a content of 0.00001 to 0.3% in total, and optionally further contains any one kind or two or more kinds of Sb, Pb, B, Cu, Ti, Cr, Nb, Ni, Mn, Mo, Ag, Co, Sn, and Bi, and a remainder being of Zn and an impurity, wherein the plated layer contains an n-Zn phase or a Zn-containing phase is used.

Classes IPC  ?

• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• B32B 15/01 - Produits stratifiés composés essentiellement de métal toutes les couches étant composées exclusivement de métal

Abrégé

The duplex stainless steel pipe according to the present disclosure consists of, by mass %, C: 0.030% or less, Si: 1.00% or less, Mn: 0.10 to 7.00%, P: 0.040% or less, S: 0.0050% or less, Cr: 20.0 to 30.0%, Ni: 4.2 to 10.0%, Mo: 0.5 to 5.0%, Cu: 0.5 to 6.0%, N: less than 0.350%, O: 0.0005 to 0.0100%, and Ca: 0.0005 to 0.0100%, with the balance being Fe and impurities. A microstructure consists of, in volume ratio, ferrite in an amount of 30 to 80% with the balance being austenite. A yield strength is 552 MPa or more. A number density of Ca oxides having an equivalent circular diameter of 2.0 μm or more is 500/100 mm2 or more.

Classes IPC  ?

• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
• C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
• C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
• C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• F16L 9/02 - Tuyaux rigides en métal

Abrégé

Provided is a welded joint in which: a base material has a specific chemical composition in which α in the below formula is 5.0 to 16.0; the tensile strength is 615 MPa to 930 MPa; as regards the microstructure at a position 1/4 of the thickness from the surface, the total of the area percentages of lower bainite and martensite is 15.0% or more, the total of the area percentages of upper bainite, lower bainite, and martensite is 90.0% or more, and the area percentage of residual austenite is less than 1.7%; and the effective grain size in the region between the melt line of the weld part and a position that is 1 mm away from the melt line of the welding heat-affected part is 100.0 μm. Also provided is a pressure vessel including the welded joint. α=0.50×√[C]×(1+0.64[Si])×(1+4.10[Mn])×(1+0.27[Cu])×(1+0.52[Ni])×(1+2.33[Cr])×(1+3.14[Mo])

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B23K 9/23 - Soudage ou découpage à l'arc tenant compte des propriétés des matériaux à souder
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

A hot-dip plated steel sheet has a plating layer, in which the plating layer contains Al: more than 30.0% and 50.0% or less, Mg: more than 5.0% and 15.0% or less, Si: more than 0.5% and 1.0% or less when Al is more than 30.0% and less than 35.0%, and 0.03% or more and 1.0% or less when Al is 35.0% or more and 50.0% or less, Fe: 0% or more and 5.0% or less, and a remainder consisting of Zn and impurities, and, in an X-ray diffraction pattern of a surface of the plating layer, I1 obtained from X-ray diffraction peaks of Zn, Al, and MgZn2 is 0.10 or less and I2 obtained from an X-ray diffraction peak of Al2O5Si is 1.05 or more.

Classes IPC  ?

• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages

Abrégé

A manufacturing method of a laminated iron core includes: a step of pressing, with a die (2), an electrical steel sheet having a coating containing an adhesive that exhibits adhesive ability through heating, provided to a sheet surface thereof, to obtain a unit iron core (1); and a step of laminating the unit iron cores (1) pressed with the die (2), and heating the sheet surface of the unit iron core (1) of an uppermost layer at a plurality of partial regions to make the unit iron core (1) of the uppermost layer to be partially adhered to the unit iron core (1) of a lower layer thereof at a plurality of regions. As above, by performing the presswork and the lamination substantially simultaneously as a series of operation, it is possible to increase the efficiency of manufacture of the laminated iron core without increasing the man-hour.

Classes IPC  ?

• H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
• H02K 15/0273 - Laminage des noyaux

Abrégé

An electrical steel sheet includes an annular body. At least one of a plurality of adhesion layers (41) is a first adhesion layer. In one of two electrical steel sheets sandwiching the first adhesion layer in a stacking direction, when an imaginary axis intersecting with a central axis of the annular body and extending in an easy-magnetization direction is defined as an L-axis, an imaginary axis intersecting with the central axis and intersecting with the L-axis is defined as a C-axis, and the electrical steel sheet is partitioned into a plurality of sections(S) in a circumferential direction of the annular body by the L-axis and the C-axis, at least one of the plurality of sections(S) is a first section. In the first section, an area of the first adhesion layer in a first portion (P1) of the electrical steel sheet where a main magnetic flux is generated in the L-axis direction is smaller than an area of the first adhesion layer in a second portion (P2) of the electrical steel sheet where the main magnetic flux is generated in the C-axis direction.

Classes IPC  ?

• H02K 1/12 - Parties fixes du circuit magnétique
• H02K 1/02 - Détails du circuit magnétique caractérisés par le matériau magnétique

Abrégé

A welded rail having excellent fatigue damage resistance and breakage resistance of a welded joint portion according to an aspect of the present invention includes: a plurality of rail portions; and a welded joint portion joining the rail portions, in which a HAZ width (W) is 60 mm or less, and when an interval between a most softened portion and a welding center measured along a longitudinal direction is defined as WX and a region where the distance from the welding center is 0.6 WX to 0.7 WX and the depth from a top portion outer surface is 2 to 5 mm is defined as a pro-eutectoid cementite structure evaluation region, in the pro-eutectoid cementite structure evaluation region, a total number of intersections (N) of a pro-eutectoid cementite structure intersecting a cross line including two line segments having a length of 100 μm parallel to the longitudinal direction and the vertical direction is 26 or less.

Classes IPC  ?

• C22C 38/40 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel
• B23K 13/00 - Soudage par chauffage au moyen d'un courant haute fréquence
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/20 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cuivre
• C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
• C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
• C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/30 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cobalt
• C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse

Abrégé

An evaluation device (100) evaluates the vibration of a magnetic material. The evaluation device (100) is provided with a magnetic core (10), a plurality of winding parts (20), and first measurement devices (31, 32, 33). The magnetic core (10) is made of a magnetic material. The magnetic core (10) includes a leg part (11). The winding parts (20) are arranged with a gap (G) in the axial direction of the leg part (11), and are attached to the leg part (11) in such a manner that the leg part (11) is exposed from the gap (G). The winding parts (20) are constructed to excite the magnetic core (10) by energization. The first measurement devices (31, 32, 33) measure the vibration of the leg part (11).

Classes IPC  ?

• G01H 17/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores non prévue dans les autres groupes de la présente sous-classe
• G01R 33/12 - Mesure de propriétés magnétiques des articles ou échantillons de solides ou de fluides

Abrégé

The hot-rolled steel sheet according to the present invention has a desired chemical composition, and in the internal region, the average aspect ratio of prior-austenite grains is 4.00-6.00, the area ratio of the martensite is 90% or more, and the value obtained by dividing the average aspect ratio of prior-austenite grains in the surface layer region by the average aspect ratio of prior-austenite grains in the internal region is less than 0.950.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

This hot-stamp molded body has a desired chemical composition, has a tensile strength of 1800 MPa or more, has an average value of residual stress on a steel sheet surface of −250 MPa or less, and has an Hvs/Hvi ratio of 0.90 or less, Hvs/Hvi being the ratio of the average hardness Hvs in a surface layer region that is a region 20-50 μm deep from the surface and the average hardness Hvi at a depth of 1/4 of the plate thickness from the surface.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• B24C 1/10 - Méthodes d'utilisation de jet abrasif en vue d'effectuer un travail déterminéUtilisation d'équipements auxiliaires liés à ces méthodes pour augmenter la compacité des surfaces, p. ex. par grenaillage
• B24C 11/00 - Emploi de matériaux abrasifs spécifiés pour les jets abrasifs
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 7/06 - Modification des propriétés physiques du fer ou de l'acier par déformation par travail à froid de la surface par grenaillage ou similaire
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles

Abrégé

This shock-absorbing member is long in one direction and comprises a hollow tube and a reinforcement arranged in a fixed manner inside the hollow tube. The hollow tube comprises a steel material having a tensile strength of 650-1600 MPa. The reinforcement comprises a steel material having a tensile strength of 590-1600 MPa. In a cross section perpendicular to the lengthwise direction of the shock-absorbing member, the hollow tube has a top wall section and a pair of side wall sections, the reinforcement has a horizontal plate connected between the pair of side wall sections and a vertical plate connected between the top wall section and a position between one end and the other end of the horizontal plate, the hollow tube has a first part, a second part, and a third part arranged in this order along the lengthwise direction, and the second part has a fold start point section.

Classes IPC  ?

• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B60R 19/18 - Moyens pour absorber le choc situés à l'intérieur du pare-chocs
• B62D 21/00 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée
• B62D 25/04 - Montants de portes
• F16F 7/00 - Amortisseurs de vibrationsAmortisseurs de chocs
• F16F 7/12 - Amortisseurs de vibrationsAmortisseurs de chocs utilisant une déformation plastique de ses organes

Abrégé

Disclosed is a technology for imparting a color tone difference to a silicon nitride-based sintered body. A silicon nitride-based sintered body according to the present disclosure is characterized by having a plurality of crystal grains and a grain boundary phase that bonds the crystal grains to each other, and by having a lightness difference of 5 or more in terms of the L* value. The silicon nitride-based sintered body according to the present disclosure is obtained, for example, by kneading a silicon nitride powder and a powder of an auxiliary starting material so as to obtain a granulated body, and subsequently molding the granulated body and firing the molded body under specific conditions.

Classes IPC  ?

• C04B 35/587 - Céramiques fines

Abrégé

Disclosed is a technique that increases the brightness of a surface of a silicon nitride-based sintered body. A silicon nitride-based sintered body according to the present disclosure has a plurality of crystal grains and a grain boundary phase that binds the crystal grains to each other, has an L* value of 55 or more in at least a portion of the surface, and has a thickness of 10 mm or more. The silicon nitride-based sintered body according to the present disclosure is obtained, for example, by kneading a silicon nitride powder and a powder of a sub-raw material to obtain a granulated body, and then molding and sintering the granulated body under a predetermined condition.

Classes IPC  ?

• C04B 35/587 - Céramiques fines

Abrégé

A vehicle body 1 includes a center pillar 4, and a side sill 5 that is connected to the center pillar 4. The side sill 5 has a closed cross-sectional shape including an outer surface 153a that is arranged in an orientation along the vertical direction Z and that faces outward in a vehicle width direction Y, a bottom surface 154a that is arranged below the outer surface 153a and that is in an orientation facing the ground, and a lower flange 155 projecting downward from the bottom surface 154a. The center pillar 4 includes an overlapping portion 22 arranged so as to cover an external surface of the side sill 5 at a portion connected to the side sill 5. A lower end 224b of the overlapping portion 22 extends along the bottom surface 154a of the side sill 5.

Classes IPC  ?

• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B62D 25/02 - Panneaux latéraux
• B62D 25/04 - Montants de portes

Abrégé

In a rotor core cross section, positions of open-end front-side corner portions (1131a, 1131c) are on a rear side in a rotation direction of a rotor core (811) further than reference positions (831a, 831b).

Classes IPC  ?

• H02K 1/276 - Aimants encastrés dans le noyau magnétique, p. ex. aimants permanents internes [IPM]

Abrégé

An excitation waveform determination device (100) sets an initial candidate solution group (IS) and a new candidate solution group (US) as one or a plurality of candidate groups of an excitation waveform based on a harmonic superimposition condition (HC) being information that specifies a harmonic to be superimposed on a fundamental wave included in the excitation waveform, executes an electromagnetic field analysis to calculate respective electromagnetic forces generated in a stator (320) when making the candidate solutions included in the one or plurality of set candidate solution groups of the excitation waveform flow through a motor (M), and determines the excitation waveform based on a result of the execution of the electromagnetic field analysis.

Classes IPC  ?

• H02P 23/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
• H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p. ex. constante de temps du rotor, flux, vitesse, courant ou tension

Abrégé

A duplex stainless steel material that has excellent general corrosion resistance and pitting resistance in a supercritical corrosive environment in which SOX gas and O2 gas are contained in a supercritical CO2 gas is provided. A duplex stainless steel material of the present disclosure has the chemical composition described in the description, and in the duplex stainless steel material, on a precondition that the content of each element is within a range described in the description, Fn defined by Formula (1) is 44.0 or more, and a total number per 1 mm2 of Mn sulfides having an equivalent circular diameter of 1.0 μm or more and Ca sulfides having an equivalent circular diameter of 2.0 μm or more is 0.50/mm2 or less. A duplex stainless steel material that has excellent general corrosion resistance and pitting resistance in a supercritical corrosive environment in which SOX gas and O2 gas are contained in a supercritical CO2 gas is provided. A duplex stainless steel material of the present disclosure has the chemical composition described in the description, and in the duplex stainless steel material, on a precondition that the content of each element is within a range described in the description, Fn defined by Formula (1) is 44.0 or more, and a total number per 1 mm2 of Mn sulfides having an equivalent circular diameter of 1.0 μm or more and Ca sulfides having an equivalent circular diameter of 2.0 μm or more is 0.50/mm2 or less. Fn = Cr + 3.3 ( Mo + 0.5 W ) + 16 ⁢ N + 2 ⁢ Ni + Cu + 2 ⁢ Co + 10 ⁢ Sn ( 1 ) A duplex stainless steel material that has excellent general corrosion resistance and pitting resistance in a supercritical corrosive environment in which SOX gas and O2 gas are contained in a supercritical CO2 gas is provided. A duplex stainless steel material of the present disclosure has the chemical composition described in the description, and in the duplex stainless steel material, on a precondition that the content of each element is within a range described in the description, Fn defined by Formula (1) is 44.0 or more, and a total number per 1 mm2 of Mn sulfides having an equivalent circular diameter of 1.0 μm or more and Ca sulfides having an equivalent circular diameter of 2.0 μm or more is 0.50/mm2 or less. Fn = Cr + 3.3 ( Mo + 0.5 W ) + 16 ⁢ N + 2 ⁢ Ni + Cu + 2 ⁢ Co + 10 ⁢ Sn ( 1 ) Where, the content in mass % of a corresponding element is substituted for each symbol of an element in Formula (1).

Classes IPC  ?

• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
• C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
• C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
• C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

A method for manufacturing a riveted joint includes: causing a shaft portion of a steel rivet having the shaft portion and a head portion to pass through through-holes of a plurality of overlaid sheet members; sandwiching the rivet between a pair of electrodes in axial direction of the rivet; applying a force to the rivet and energizing the rivet with the electrodes to form a deformed portion at a distal end of the shaft portion; and cooling the rivet. In the rivet after cooling, a Vickers hardness HB of the head portion satisfies 130≤HB≤330, and a Vickers hardness HA of the deformed portion, a thickness TA of the deformed portion, a Vickers hardness HJ of a portion of the shaft portion at center in axial direction and at center in radial direction, diameter DJ of the shaft portion, a Vickers hardness HB of the head portion, and a thickness TB of the head portion satisfy HJ×DJ≥4.7×HB×TB and HA×TA≥1.3×HB×TB.

Classes IPC  ?

• B21J 15/08 - Rivetage par application de chaleur aux extrémités des rivets afin de permettre la formation des têtes
• B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
• F16B 5/04 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par rivetage
• F16B 5/08 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par soudage ou procédés similaires

Abrégé

The hot-rolled steel sheet according to the present invention has a desired chemical composition, and in the internal region, the average aspect ratio of prior-austenite grains is 3.00 to 5.50, the area ratio of bainite is 70 to 95%, the area ratio of martensite is 5 to 30%, and the value obtained by dividing the average aspect ratio of prior-austenite grains in the surface layer region by the average aspect ratio of prior-austenite grains in the internal region is less than 1.00.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

The hot-rolled steel sheet according to the present invention has a desired chemical composition, and in the internal region, the average aspect ratio of prior-austenite grains is 2.00 or more and less than 4.00, the area ratio of the martensite is 90% or more, and the value obtained by dividing the average aspect ratio of prior-austenite grains in the surface layer region by the average aspect ratio of prior-austenite grains in the internal region is less than 0.950.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

This impact absorption member is provided in a vehicle body, is formed along a prescribed longitudinal direction, and includes a closed cross section part in which a cross section orthogonal to the longitudinal direction has a closed cross-sectional shape. The impact absorption member is provided with: a low-strength part; a high-strength part that has the central part in the plate thickness direction in parallel with the low-strength part, the central part having a higher Vickers hardness than the central part in the plate thickness direction of the low-strength part; and a joining part that joins the low-strength part and the high-strength part. The maximum bending angle of the high-strength part is set according to the maximum bending angle of the low-strength part.

Classes IPC  ?

• B62D 25/04 - Montants de portes
• B62D 25/20 - Planchers ou sous-ensembles du fond

Abrégé

This shock absorption member has a configuration in which a breaking start-point is provided in a hollow tube, or a configuration in which a breaking start-point is provided in a reinforcement. The shock absorption member further includes a pair of reinforcement parts that extend along an extension direction of each ridge section of the hollow tube, each reinforcement part being provided at a position adjacent to the ridge section on an outer surface of a side wall part when the hollow tube is viewed in a cross section perpendicular to the longitudinal direction at a position of a start point section.

Classes IPC  ?

• F16F 7/12 - Amortisseurs de vibrationsAmortisseurs de chocs utilisant une déformation plastique de ses organes
• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• F16F 7/00 - Amortisseurs de vibrationsAmortisseurs de chocs

Abrégé

This estimation device comprises a control unit that, by using an estimation model constructed in advance by using known data including supplementary information that is information on iron scrap including iron to be recycled and information on a concentration of an impurity element included in the iron scrap, estimates a concentration of an impurity element included in iron scrap to be evaluated.

Classes IPC  ?

• G06Q 10/30 - Administration du recyclage ou de l’élimination des produits

Abrégé

25i250i00≤0.70; the Mg content in the surface oxide film is 0.05 atom% or more; and the adhesion amount of the plating layer is 20 g/m2 or more per surface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 21/00 - Alliages à base d'aluminium
• C22C 21/10 - Alliages à base d'aluminium avec le zinc comme second constituant majeur
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/26 - Post-traitement

Abrégé

2525i250i00 ≤ 0.70; and the adhesion amount of the plating layer is 20 g/m2 or more per one surface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/26 - Post-traitement

Abrégé

This steel material has a prescribed chemical composition, wherein, in a cross-section perpendicular to the rolling direction, when d/2 is defined as the length of a line segment connecting the center of gravity of the cross-section to the surface of the cross-section which is nearest to the center of gravity, and a d/4 part is defined as the position of d/4 in the direction of the center of gravity from said surface, at the d/4 part of the cross-section, the number density of MnS with an area of 1.0-10.0 μm2is not more than 70.0 per mm2, the number density of MnS with an area of greater than 10.0 μm2is not more than 4.00 per mm2, and the number density of Nb-based precipitates with an area or not less than 20.0 μm2is not more than 0.20 per mm2.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B22D 11/115 - Traitement du métal liquide en utilisant des moyens agitateurs ou vibrants en utilisant des champs magnétiques
• C21C 7/076 - Emploi de scories ou de flux comme agents traitants
• C21D 1/06 - Durcissement de surface
• C21D 1/32 - Recuit d'adoucissement, p. ex. sphéroïdisation
• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

The present invention provides a method for producing a grain-oriented electrical steel sheet in which a plurality of grooves that extends in a direction that is generally parallel to the width direction of a steel sheet is formed in the longitudinal direction of the steel sheet, the method including: a first groove formation step for forming a first groove comprising a plurality of grooves which extends in a direction that is generally parallel to the width direction on a cold-rolled steel sheet that serves as a material for the grain-oriented electrical steel sheet; a secondary recrystallization annealing step for annealing the cold-rolled steel sheet, on which the first groove has been formed, so as to align the easy axis of magnetization of the cold-rolled steel sheet in the longitudinal direction to form a grain-oriented electrical steel sheet; and a second groove formation step for forming a second groove comprising a plurality of grooves which extends in a direction that is generally parallel to the width direction on the grain-oriented electrical steel sheet using a contact-type groove formation process.

Classes IPC  ?

• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• H01F 1/147 - Alliages caractérisés par leur composition

Abrégé

θθθ is not more than 1.50%; the average particle diameter of the cementite particles is not more than 1.50 μm; the maximum particle diameter of the cementite particles is not more than 5.00 μm; and the spheroidization ratio of the cementite particles is not less than 75%.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C21D 1/32 - Recuit d'adoucissement, p. ex. sphéroïdisation
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles

Abrégé

A vehicle subframe 10 is fixed to a vehicle body, and includes a structural member that extends in a curved manner in a planar view from above the vehicle body, wherein: the structural member is made of a steel material and has an open cross-sectional shape in a direction perpendicular to an extension direction; the cross-sectional shape differs depending on a position in the extension direction of the structural member; and the structural member includes a reinforcing member 14 that is fixed at a predetermined position in the extension direction of the structural member.

Classes IPC  ?

• B62D 21/00 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée

Abrégé

[Problem] To provide a battery case and a lithium-ion battery that have exceptional electrolyte resistance and make it possible to prevent peeling of an oxide film on the inner-surface side of the battery case. [Solution] The present invention relates to a battery case for a lithium ion-battery, the battery case having a case body portion that accommodates a battery unit and a lithium-salt-containing electrolyte solution, and a lid portion that seals the case body portion. The material of the case body portion and the lid portion is a plated steel sheet in which a plating layer is provided to a base material steel sheet. A weld part at which the case body portion and the lid portion are joined to each other by welding is present in the battery case. The inner-surface side of the battery case at the weld part has a weld metal that contains not less than 0.3 mass% but less than 60.0 mass% of the main constituent component of the plating layer, and an oxide film layer that is present in a portion of the surface of the weld metal that may contact the electrolyte solution. The oxide film layer has a thickness of 5.0 μm or less.

Classes IPC  ?

• H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
• H01M 10/052 - Accumulateurs au lithium
• H01M 10/0566 - Matériaux liquides
• H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
• H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
• H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
• H01M 50/119 - Métaux
• H01M 50/124 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches
• H01M 50/133 - Épaisseur
• H01M 50/145 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes pour protéger contre la corrosion
• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique

Abrégé

dif1%dif95%Nimaxαmaxdif1%dif95%NimaxNimaxαmaxαmaxαmaxNimaxαmaxNimaxαmaxαmaxαmaxNimaxNimax| ≤ 0.1 μm

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C22C 18/00 - Alliages à base de zinc
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
• C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
• C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
• C22F 1/16 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid des autres métaux ou de leurs alliages
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 28/02 - Revêtements uniquement de matériaux métalliques

Abrégé

Provided are a steel material and a pressure vessel containing the steel material, the steel material containing 2.65-4.45% of Ni in terms of mass%, comprising C, Si, Mn, P, S, Al, O, N, Cu, Cr, Mo, B, Nb, Ti, V, Mg, Ca, REM, Fe, and impurities within prescribed composition ranges, and being such that: α, represented by the expression α = 0.50 × √[C] × (1 + 0.64[Si]) × (1 + 4.10[Mn]) × (1 + 0.27[Cu]) × (1 + 0.52[Ni]) × (1 + 2.33[Cr]) × (1 + 3.14[Mo]), is 4.0-16.0; β, represented by the expression β = [Mn] × [P]-[Mo]/100, is 0.017 or lower; the tensile strength is 590-930 MPa; the microstructure at a site at 1/4 of the thickness in the thickness direction from the surface of the steel material includes lower bainite and martensite; the total area ratio of the lower bainite and the martensite is 15.0% or higher; and the total area ratio of upper bainite, the lower bainite, and the martensite is 90.0% or higher.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

Provided are a steel material and a pressure vessel that includes the steel material, the steel material having a specific chemical composition in which α is 5.0-16.0 and a tensile strength of 615-930 MPa, and a microstructure in a location at 1/4 of the thickness from the surface of the steel material including lower bainite and martensite, the total area ratio of the lower bainite and the martensite being 15.0% or more, the total area ratio of the upper bainite, the lower bainite, and the martensite being 90.0% or more, the area ratio of residual austenite being less than 1.7%, and the Mn concentration of a center segregation part in a location at 1/2 of the thickness being 2.00% or less. α = 0.50 × √[C] × (1 + 0.64[Si]) × (1 + 4.10[Mn]) × (1 + 0.27[Cu]) × (1 + 0.52[Ni]) × (1 + 2.33[Cr]) × (1 + 3.14[Mo])

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

Provided is a rail capable of obtaining excellent wear resistance and damage resistance. A rail (1) according to an embodiment of the present invention contains 0.80%-1.20% of C, 0.80%-2.50% of Si, 0.10%-2.00% of Mn, 0.0250% or less of P, and 0.0250% or less of S in terms of mass%, with the balance being Fe and impurities. The metal structure of a head surface part (10A) has a pearlite area ratio of 95% or more and a Vickers hardness of 400 HV or more. In the head surface part (10A), the Si positive segregation degree, which is the ratio of the maximum value of the Si concentration in a Si positive segregation band to the Si concentration in a bulk region, is more than 1.00 to 1.35, and the Si negative segregation degree, which is the ratio of the minimum value of the Si concentration in a Si negative segregation band to the Si concentration in the bulk region, is 0.90 to less than 1.00.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• B22D 11/16 - Commande ou régulation des opérations ou du fonctionnement
• C21D 8/00 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique
• C21D 9/04 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour rails

Abrégé

This invention provides a welded joint that, even after PWHT, has a tensile strength of at least 780 MPa and excels in toughness.　A welded joint (1) according to the present invention contains a weld metal in a welded part (2), and is characterized in that the weld metal has a specific chemical composition, and in a region between a depth position of 2 mm from the surface and a depth position of 12 mm from the surface in the center part of the welded part (2), the same contains a reheated zone region (32) at a structure ratio of 34% or more.

Classes IPC  ?

• B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
• B23K 9/095 - Surveillance ou commande automatique des paramètres de soudage
• B23K 9/235 - Traitement préalable
• B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés

Abrégé

This automotive structural member is provided with a hat-shaped first member and a hat-shaped second member. The first member has a first top plate, two first vertical walls, two first flanges, and first standing parts. The first flanges are respectively located between the first vertical walls and the first standing parts. The second member has a second top plate, two second vertical walls, and two second flanges. The second top plate is positioned between the two first vertical walls of the first member. The second vertical walls respectively face the first vertical walls of the first member. Each gap formed between the second vertical wall and the first vertical wall is 5.0 mm or less. The second flanges are respectively joined to the first flanges. The second member comprises a steel material having a tensile strength of 690 MPa or more.

Classes IPC  ?

• B60R 19/04 - Pare-chocs, c.-à-d. éléments pour recevoir ou absorber les chocs pour protéger les véhicules ou dévier les chocs provenant d'autres véhicules ou objets formés de plusieurs sections
• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B62D 25/04 - Montants de portes
• B62D 25/06 - Toits fixes

Abrégé

25i250i00 ≤ 0.70; the Mg content in the surface oxide film is 0.10% by atom or more; and the adhesion amount of the plating layer is 20 g/m2 or more per one surface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/26 - Post-traitement

Abrégé

000≤4.0; the Fe-Al phase contains 3-15% of Si and 2-15% of Zn in mass%; and the adhered amount of the plating layer per surface is 20 g/m2 or more.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 21/00 - Alliages à base d'aluminium
• C22C 21/10 - Alliages à base d'aluminium avec le zinc comme second constituant majeur
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/26 - Post-traitement

Abrégé

25i250i00 ≤ 0.70; and the adhesion amount of the plating layer is 20 g/m2 or more per one surface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 21/00 - Alliages à base d'aluminium
• C22C 21/10 - Alliages à base d'aluminium avec le zinc comme second constituant majeur
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/26 - Post-traitement

Abrégé

The present invention provides a plated steel sheet which is characterized by including a base steel sheet and a plating layer that is formed on the surface of the base steel sheet, and which is also characterized in that: the plating layer has a specific chemical composition; the plating layer includes an Fe-Al phase that is located at the interface with the base steel sheet, and a main layer that is located on the Fe-Al phase; in a cross-section of the main layer, the area ratio of a Mg-Al-Zn-Si intermetallic compound phase having an Al content of 10% by mass or more is 0.010% or more; the Fe-Al phase contains 3.0-15.0% by mass of Si and 2.0-15.0% by mass of Zn; and the adhesion amount of the plating layer is 20 g/m2 or more per one surface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C22C 21/00 - Alliages à base d'aluminium
• C22C 21/10 - Alliages à base d'aluminium avec le zinc comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/26 - Post-traitement

Abrégé

This steel material has a prescribed chemical composition. When the Al content in mass% is defined as [Al] and the N content is defined as [N], the [Al] and the [N] satisfy a prescribed relationship. In a cross section perpendicular to a rolling direction, if the length of a line segment connecting the center of gravity of the cross section and the surface of the cross section closest to the center of gravity is defined as d/2, when the position of d/2 in the direction of the center of gravity from the surface is defined as a d/2 part, and the position of d/4 in the direction of the center of gravity from the surface is defined as a d/4 part, the solid solution Al amount is 0.018 mass% or more and the solid solution N amount is 0.009 mass% or more in both the d/2 part and the d/4 part, the number density of MnS having an area of 1.0-10.0 μm2is 70.0 particles/mm2or less in the d/4 part, and the number density of MnS having an area exceeding 10.0 μm2is 4.0 particles/mm2 or less.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B22D 1/00 - Traitement des métaux en fusion dans la poche ou dans les chenaux de coulée avant le moulage
• B22D 7/00 - Coulée de lingots
• C21D 1/06 - Durcissement de surface
• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
• C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium

Abrégé

A sub-frame 10 for a vehicle is fixed to a vehicle body, and comprises a structural member which is curved and extends in a plan view from an upper direction of the vehicle body. The structural member is made of steel material, and cross-sectional shapes thereof in a direction perpendicular to the extension direction are closed cross sections and vary according to a position of the structural member in the extension direction.

Classes IPC  ?

• B62D 21/00 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée

Abrégé

θθθ is 1.30% or less. The average particle diameter of the cementite particles is 1.50 μm or less. The maximum particle diameter of the cementite particles is 5.00 μm or less. The spheroidizing rate of the cementite particles is 75% or greater.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C21D 1/32 - Recuit d'adoucissement, p. ex. sphéroïdisation
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles

Abrégé

A joint structure of an automobile frame member comprises a first member and a second member. The first member includes a top plate, two vertical walls, two first ridgeline portions, and a continuous flange. The second member includes a first wall surface facing an axial end portion of the first member, a second wall surface extended from the first wall surface to the other side from the first member side, and a second ridgeline portion sandwiched between the first wall surface and the second wall surface. The continuous flange has an interval h, between the second ridgeline portion and the top plate, satisfying -10 mm ≤ h ≤ 10 mm, and angles θ formed by a surface perpendicular to the top plate and the two vertical walls, respectively, each satisfy 20° ≤ θ ≤ 45°.

Classes IPC  ?

• B62D 21/02 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comprenant des éléments d'armature disposés longitudinalement ou transversalement
• B60R 19/04 - Pare-chocs, c.-à-d. éléments pour recevoir ou absorber les chocs pour protéger les véhicules ou dévier les chocs provenant d'autres véhicules ou objets formés de plusieurs sections
• B62D 25/04 - Montants de portes
• B62D 25/20 - Planchers ou sous-ensembles du fond

Abrégé

Provided are a steel material and a pressure vessel that includes the steel material. The steel material has a specific chemical composition that results in α as given by the following formula being 4.0–16.0, the tensile strength is 590–930 MPa, the microstructure at 1/4 of the thickness from the surface includes lower bainite and martensite, the total area percentage of lower bainite and martensite is at least 15.0%, the total area percentage of upper bainite, lower bainite, and martensite is at least 90.0%, and the Mn concentration of a center segregation part at 1/2 of the thickness is no more than 2.00%. α=0.50×√[C]×(1+0.64[Si])×(1+4.10[Mn])×(1+0.27[Cu])×(1+0.52[Ni])×(1+2.33[Cr])×(1+3.14[Mo])

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This steel material has a specific chemical composition resulting in α being 5.0-16.0 and β being 0.017 or less, has a tensile strength of 615-930 MPa, and has, at a site 1/4 of the thickness from the surface, a micro-structure which includes lower bainite and martensite, and in which the total of the area percentages of the lower bainite and the martensite is 15.0% or more, the total of the area percentages of upper bainite, the lower bainite, and the martensite is 90.0% or more, and the area percentage of retained austenite is less than 1.7%. α=0.50×√[C]×(1+0.64[Si])×(1+4.10[Mn])×(1+0.27[Cu])×(1+0.52[Ni])×(1+2.33[Cr])×(1+3.14[Mo]) β=[Mn]×[P]-[Mo]/100

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

Provided is a steel material having a specific chemical composition in which Ceq represented by formula (1) is not less than 0.350, wherein: tensile strength is 490-720 MPa; in the microstructure at a site which is at 1/4 of the thickness from the surface, a transformation structure generated at a low temperature has a total area ratio of not less than 70%; and average crystal grain size is not more than 25.0 μm. Formula (1): Ceq=[C]+[Mn]/6+[Ni]/15+[Cu]/15+[Cr]/5+[Mo]/5+[V]/5

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C21D 9/50 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour joints de soudure
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

Provided is a welded joint which has a specific chemical composition in which Ceq represented by formula (1) is 0.350 to 0.490 inclusive, and a tensile strength of 490 MPa to 720 MPa inclusive, wherein: the number density of inclusions having an equivalent circle diameter of 0.01 µm to 0.50 µm inclusive and containing Ti and N is 1.0 × 105or more per mm2 in a portion at 1/4 of the thickness and a portion at 1/2 of the thickness from the surface in the thickness direction; in the portion at 1/4 of the thickness and the portion at 1/2 of the thickness, the average particle diameter of inclusions containing Ti and N is 150 nm or less; and the effective crystal grain size in a region between the fusion line of the welded part and a position of the heat affected zone separated by 1 mm from the fusion line is 100.0 μm or less. Also provided is a pressure vessel which includes the welded joint. Formula (1): Ceq = [C] + [Mn]/6 + [Ni]/15 + [Cu]/15 + [Cr]/5 + [Mo]/5 + [V]/5

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

This grain-oriented electrical steel sheet is characterized in that the base steel sheet has a chemical composition containing, in mass %, Si:2.5-4.5%, Mn:0.01-1.00%, N:≤0.01%, C:≤0.01%, sol.A1:0.01%, S:≤0.01%, Se:≤0.01%, P:0.00-0.05%, Sb:0.00-0.50%, Sn:0.00-0.30%, Cr:0.00-0.50%, Cu:0.00-0.50%, Ni:0.00-0.50%, and Bi:0.0000-0.0100%, with the remainder including Fe and impurities, the magnetic flux density B8 in the rolling direction of the sheet is ≥1.93 T, a deformed region extending over the entire width of the sheet is periodically formed at an interval L of 3-30 mm, in a direction intersecting the rolling direction, this region has a width W of 0.2-30.6 mm, a protrusion having a maximum height Dprotrusion of 1-5 m is formed on one surface of this region, and a recessed part having a maximum depth Drecess of 1-4 μm is formed on the opposite surface.

Classes IPC  ?

• H01F 1/147 - Alliages caractérisés par leur composition
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
• C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium
• C22C 38/40 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

An Fe-based amorphous alloy according to one embodiment of the present disclosure has an amorphous structure and contains, in terms of at%, 8.0-18.0% B, 0-2.0% Si, 0.10-5.00% C, 0.10-3.50% P, 0-0.60% Mn, and 78.00-86.00% Fe, with the remainder being impurities.

Classes IPC  ?

• C22C 45/02 - Alliages amorphes avec le fer comme constituant majeur
• B22D 11/00 - Coulée continue des métaux, c.-à-d. en longueur indéfinie
• B22D 11/06 - Coulée continue des métaux, c.-à-d. en longueur indéfinie dans des moules dont les parois se déplacent, p. ex. entre des rouleaux, des plaques, des courroies, des chenilles
• H01F 1/147 - Alliages caractérisés par leur composition
• H01F 1/153 - Alliages métalliques amorphes, p. ex. métaux vitreux
• C21D 6/00 - Traitement thermique des alliages ferreux

Abrégé

The present application discloses a ceramic sintered body that exhibits both toughness and abrasion resistance. A ceramic sintered body according to the present disclosure contains a first compound and a second compound. The first compound is silicon carbide, and the second compound is a diboride of a Group 4 element. The proportion of the second compound in the ceramic sintered body is 50-70 mass%. In a case where a 300 µm x 300 µm area of a polished surface of the ceramic sintered body is divided into 400 15 µm x 15 µm compartments, and the areal ratio of the first compound is specified for each of the compartments, the coefficient of variation CV of the areal ratio of the first compound is more than 0.14 and less than 0.23.

Classes IPC  ?

• C04B 35/58 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de borures, nitrures ou siliciures

Abrégé

In the grain-oriented electrical steel sheet according to an aspect of the present invention, a magnetic domain refinement treatment line, which is a part on which a magnetic domain refinement treatment is performed, exists in a magnetic domain control treatment lines which form an angle of 0° to 45° with respect to an orthogonal-to-rolling direction and are arranged in a rolling direction. It is preferable that the average magnetic domain width in an area, in which the magnetic domain refinement treatment line does not exist among the magnetic domain control treatment lines, and of which the length is 1 mm or more, is 500 μm or less. Alternatively it is preferable that the average magnetic domain width in an area, in which the magnetic domain refinement treatment line does not exist among the magnetic domain control treatment lines, and which includes two or more of magnetic walls, is 500 μm or less.

Classes IPC  ?

• C21D 10/00 - Modification des propriétés physiques autrement que par traitement thermique ou déformation
• H01F 1/16 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de feuilles

Abrégé

This wound core producing apparatus (40) is a wound core producing apparatus (40), the wound core being formed by bending and laminating a steel sheet (21), the wound core producing apparatus (40) including a bending device (20) that bends the steel sheet (21), and a feed roll (60) that feeds the steel sheet (21) to the bending device (20), in which a diameter of the feed roll (60) is 5 mm to 500 mm, a pressure applied to the steel sheet (21) by the feed roll (60) is 0.4 MPa to 2.4 MPa, and a Shore hardness of an outer circumferential surface of the feed roll (60) measured at 45° C. is A38 or more and A90 or less.

Classes IPC  ?

• H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
• H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés

Abrégé

On a surface of the grain-oriented electrical steel sheet, a rate (a groove existence rate) of a part (a groove formation line) where a groove having a depth of 5 μm to 50 μm and a width of 10 μm to 300 μm exists among a total extension of magnetic domain control treatment lines which forms an angle of 0° to 45° with respect to an orthogonal-to-rolling direction and are arranged in a rolling direction is 50% or more in a first region which is a region where a β angle which is a deviation angle of a grain from a Goss orientation around an axis in the orthogonal-to-rolling direction is 1° or less, and the groove existence rate is less than 50% in a second region where the β angle is more than 2°.

Classes IPC  ?

• H01F 1/147 - Alliages caractérisés par leur composition

Abrégé

This steel sheet has a desired chemical composition and is such that in a metal structure at a position that is 1/4 of the sheet thickness from the surface, prior austenite grains having an aspect ratio of less than 2.0 constitute less than 20% in terms of area%, prior austenite grains having an aspect ratio of greater than or equal to 2.0 and less than 6.0 constitute greater than or equal to 40%, prior austenite grains having an aspect ratio of greater than or equal to 6.0 constitute less than 30%, bainite constitutes 70-95%, and martensite constitutes 5-30%.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

2233 is 4.0 mass% or more and the content of crystal water is 5 mass% or more, is reduced with a reducing gas using a fluidized bed; and a fluidized bed heat treatment step in which the iron ore powder, in which at least a part thereof is metallized by the fluidized bed reduction step, is heat treated with a non-oxidizing gas using a fluidized bed. The temperature in the fluidized bed in the fluidized bed heat treatment step is higher than the temperature in the fluidized bed in the fluidized bed reduction step, and the gas flow rate of the non-oxidizing gas in the fluidized bed in the fluidized bed heat treatment step is 1.5 times or more higher than the gas flow rate of the reducing gas in the fluidized bed in the fluidized bed reduction step, or four times or more the minimum fluidization velocity of the fluidized bed in the fluidized bed reduction step.

Classes IPC  ?

• C21B 13/00 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs

Abrégé

A press device (20) is provided with punches (21, 22), pads (23, 24), a die (25), and a support mechanism (26). A first punch (21) includes a punch top surface (211). A second punch (22) includes a punch top surface (221), a punch shoulder (222), a punch side surface (223), and a punch flange surface (224). The die (25) includes a die bottom surface (251), a die shoulder (252), a die side surface (253), and a die flange surface (254). The support mechanism (26) supports the second punch (22) such that the punch shoulder (222) is disposed closer to the die bottom surface (251) side than the punch top surface (211). The support mechanism (26) is configured to move the second punch (22) relative to the first punch (21) in a pressing direction (D1).

Classes IPC  ?

• B21D 5/01 - Cintrage des tôles le long de lignes droites, p. ex. pour former un pli simple entre des marteaux et des enclumes ou butées
• B21D 19/08 - Mise en forme ou autres traitements des bords, p. ex. des bords des tubes par l'action unique ou successive d'outils presseurs, p. ex. de mors d'étaux
• B21D 24/04 - Serre-flansMoyens de montage des serre-flans

Abrégé

This plated steel sheet includes a steel sheet, and a plated layer disposed on a surface of the steel sheet, in which the plated layer has a chemical composition containing, in mass%, Al: 10.0 to 25.0%, Mg: 3.0 to 10.0%, Fe: 0.01 to 2.0%, and Si: more than 0 to 2.0%, with a remainder including Zn and impurities, and a number density of Mg2Si phases having a major axis of 2 μm or more exposed on the surface of the plated layer is 3 to 150 per area of 10,000 μm2.

Classes IPC  ?

• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/26 - Post-traitement
• C23C 2/40 - PlaquesBandes

Abrégé

A hot-rolled steel sheet has a predetermined chemical composition, a microstructure at a location of ¼ of a sheet thickness and at a location of 100 μm from a surface comprising, in area %, one or more of martensite and tempered martensite: 95% or more in total, and ferrite, bainite and pearlite: 5% or less in total, and an average dislocation density at the location of 100 μm from the surface is 1.2 times or more of an average dislocation density at the location of ¼ of the sheet thickness.

Classes IPC  ?

• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 6/00 - Traitement thermique des alliages ferreux
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
• C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
• C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

In an automobile hood, further enhancement of pedestrian protection properties when a pedestrian collides with a rear part of the automobile hood is enabled. An inner panel 2 of an automobile hood 1 includes: a pedestal 7; a plurality of units 9 each including an inclined wall 12 rising from the pedestal 7, and a flange 11; and beads 21 and 22 including at least one of a structure for connecting together outer end portions 55 of the inner panel 2 in a height direction Z perpendicular to a sheet thickness direction of the inner panel 2 and a structure for connecting an outer circumferential portion 73 of the pedestal 7 and the outer end portion 55. A plurality of the beads 21 and 22 are provided, and are arranged on a rear portion 1a side of the inner panel 2.

Classes IPC  ?

• B62D 25/10 - Capots ou couvercles
• B60R 21/34 - Protection des personnes extérieures au véhicule, p. ex. des piétons
• B62D 25/12 - Éléments ou détails de ceux-ci

Abrégé

A lap welded joint includes a plurality of steel sheets that are partially or entirely overlapped, a spot-welded portion that joins overlapping portions of two or more of the steel sheets, and an arc-welded portion that is disposed to temper a nugget of the spot-welded portion. One or more of the spot-welded steel sheets are high strength steel sheets having a tensile strength of 780 MPa or more. A portion in which a hardness measurement value of the nugget of the spot-welded portion is minimized is present between a center of the nugget and the arc-welded portion. A difference between a minimum value of the hardness measurement value of the nugget and a maximum value of the hardness measurement value of the nugget is equal to or greater than 25 HV.

Classes IPC  ?

• B23K 11/11 - Soudage par points
• B23K 101/00 - Objets fabriqués par brasage, soudage ou découpage

Abrégé

A hot-dip plated steel material has a plating layer on a surface of a steel material, in which the plating layer contains Al: more than 22.5% and 50.0% or less, Mg: more than 3.0% and 15.0% or less, Ca: 0.03 to 0.6%, Si: 0.03 to 1.0%, Fe: 2 to 25%, and a remainder consisting of Zn and impurities, and, in an X-ray diffraction pattern of a surface of the plating layer, measured under conditions in which an X-ray output is a voltage of 50 kV and a current of 300 mA using a Cu-Kα ray, I1 obtained from an X-ray diffraction peak of Al0.5Fe1.5 is 1.1 or more, and I2 obtained from X-ray diffraction peaks of Zn, Al, and MgZn2 is 0.25 or less.

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• B32B 15/01 - Produits stratifiés composés essentiellement de métal toutes les couches étant composées exclusivement de métal
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur

Abrégé

A hot-dip plated steel sheet has a plating layer, in which the plating layer contains Al: more than 30.0% and 50.0% or less, Mg: more than 5.0% and 15.0% or less, Si: more than 0.5% and 1.0% or less when Al is more than 30.0% and less than 35.0%, and 0.03% or more and 1.0% or less when Al is 35.0% or more and 50.0% or less, Fe: 0% or more and 5.0% or less, and a remainder consisting of Zn and impurities, and, in an X-ray diffraction pattern of a surface of the plating layer, I1 obtained from X-ray diffraction peaks of Zn, Al, and MgZn2 is 0.10 or less and I2 obtained from an X-ray diffraction peak of Al2O5Si is 1.05 or more.

Classes IPC  ?

• C23C 2/40 - PlaquesBandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 21/06 - Alliages à base d'aluminium avec le magnésium comme second constituant majeur
• C23C 2/12 - Aluminium ou ses alliages

Abrégé

A hot-dip plated steel sheet includes a hot-dip plated layer formed on a surface of a steel sheet, the hot-dip plated layer contains 4 to 22 mass % of Al and 1.0 to 10 mass % of Mg with a remainder including Zn and impurities, a pattern portion and a non-pattern portion are formed in the hot-dip plated layer, an element concentrated region containing an element M and an interface alloy layer containing Fe and Al are present at an interface between the steel sheet and the hot-dip plated layer in the pattern portion, an average concentration of the element M contained in the hot-dip plated layer present in the pattern portion and the element concentrated region is 0.0010 to 2 mass %, and in the element concentrated region, the element M is concentrated two or more times the hot-dip plated layer present in the pattern portion, or the element M is unevenly distributed.

Classes IPC  ?

• C23C 2/00 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/20 - BandesPlaques
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
• C23C 2/40 - PlaquesBandes

Abrégé

A coating liquid for forming an insulation coating for grain-oriented electrical steel sheets, which contains boric acid and hydrated silicate particles containing aluminum, a method for producing a grain-oriented electrical steel sheet comprising applying the coating liquid to a grain-oriented electrical steel sheet after final annealing, and then performing a baking treatment, and a grain-oriented electrical steel sheet.

Classes IPC  ?

• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C23C 22/50 - Traitement du fer ou des alliages à base de fer
• C23C 22/76 - Application du liquide par pulvérisation
• C23C 22/78 - Pré-traitement du matériau à revêtir
• H01F 1/147 - Alliages caractérisés par leur composition
• H01F 1/153 - Alliages métalliques amorphes, p. ex. métaux vitreux

Abrégé

In a forming method for processing a metal plate and a battery tray according to the present invention, a raw metal plate (10A) has a predetermined excess length at each edge part and a predetermined corner shape at a corner part. For the raw metal plate (10A), in a portion of a first edge part (15) that lies further toward a blank corner part (17) than a straight line (L11), the blank corner part (17), and a portion of a second edge part (16) that lies further toward the blank corner part (17) than a straight line (L21), an outer shape line (163) of the raw metal plate (10A) is located outside, namely on the side opposite to a bottom surface part (110C) relative to the polygonal line comprising a line segment (P1P3) and a line segment (P3P2).

Classes IPC  ?

• B21D 22/22 - Emboutissage comportant des dispositifs pour maintenir les bords des flans
• B21D 22/20 - Emboutissage
• B21D 22/26 - Emboutissage pour faire des objets de formes particulières, p. ex. de formes irrégulières
• B21D 53/88 - Fabrication d'autres objets particuliers d'autres parties de véhicules, p. ex. capots, garde-boue

Abrégé

An electromagnetic steel sheet with an adhesive coating film according to the present invention comprises: an electromagnetic steel sheet; and an adhesive coating film provided on at least a part of one surface or both surfaces of the electromagnetic steel sheet, the adhesive coating film containing a cross-linkable thermoplastic resin A and a thermoplastic resin B other than the cross-linkable thermoplastic resin A. The adhesive coating film has a hardness of 200-260 MPa. The adhesive coating film has a hardness of 200-300 MPa after heating at 200°C for 5 minutes.

Classes IPC  ?

• C23C 26/00 - Revêtements non prévus par les groupes
• B32B 7/025 - Propriétés électriques ou magnétiques
• B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
• H01F 1/147 - Alliages caractérisés par leur composition
• H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés

Abrégé

A battery unit (100) is provided with a plurality of cooling members (10) and a plurality of battery cells (20). Each of the cooling members (10) include a first member (11) and a second member (12). The first member (11) and the second member (12) are each formed of a metal plate. The second member (12), together with the first member (11), forms a space (13) into which a cooling liquid is supplied. Each of the battery cells (20) uses a metal can (21) as an exterior material. Each of the battery cells (20) is disposed between the space (13) of one of the cooling members (10) and the space (13) of another one of the cooling members (10). Each of the battery cells (20) is bonded to the first member (11) or the second member (12) in one of the cooling members (10) and/or another one of the cooling members (10).

Classes IPC  ?

• H01M 10/6557 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur disposés entre les éléments
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/625 - Véhicules
• H01M 10/643 - Éléments cylindriques
• H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
• H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
• H01M 10/6555 - Barres ou plaques disposées entre les éléments
• H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments