Provided is a sputtering target which is not susceptible to breakage during sputtering and enables the achievement of a high-quality thin film by being used for sputtering. This sputtering target is composed of a Cr-based alloy. The Cr-based alloy contains 5 at% to 30 at% of B, and 5 at% to 30 at% in total of at least one element that is selected from the group consisting of Mo and W. In the Cr-based alloy, the B content is the same as or higher than the total content of Mo and W, and the total content of B, Mo, and W is 40 at% or less. The ratio of the intensity of an X-ray diffraction peak P2 with respect to the (110) plane of the Mo phase to the intensity of an X-ray diffraction peak P1 with respect to the (110) plane of the Cr phase is 10% or less. The ratio of the intensity of an X-ray diffraction peak P3 with respect to the (110) plane of the W phase to the intensity of the peak P1 is 50% or less.
The present invention addresses the problem of providing an Fe-based alloy powder for molding having excellent cracking resistance and mold performance by further improving the thermal conductivity of maraging steel. In order to solve this problem, the present invention provides an Fe-based alloy powder comprising an Fe-based alloy that contains, by mass, 10.0-16.0% of Ni, 0.1-5.0% of Mo, 0.5-2.5% of Ti, 0.01-1.0% of Al, over 0% to 0.8% of Si, over 0% to 0.8% of Mn, 0-6.00% of Cr, 0-0.10% of C, 0-0.90% of Co, and 0-2.00% of Nb, with the balance being Fe and unavoidable impurities, the Fe-based alloy powder being such that the value of M1 defined by formula (1) is 13.0 or above and the value of M2 defined by formula (2) is 17.0 or above. [Formula 1] M1 = [Ni] + 0.8 [Cr] + 0.6 [Mo] - 0.3 [Ti] [Formula 2] M2 = 41.9 - 0.9 [Ni] - 2.0 [Mo] - 2.1 [Cr]
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/34 - Commande ou régulation des opérations des caractéristiques de la poudre, p. ex. densité, oxydation ou fluidité
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p. ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
The purpose of the present invention is to provide a laminated molded article made of an FeCo-based alloy that exhibits excellent soft magnetic properties. The present invention provides a laminated molded article that is laminated and molded using FeCo-based alloy powder, and is characterized by including a B2 regular phase and an ɑ phase in the constituent phase.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C21D 6/00 - Traitement thermique des alliages ferreux
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
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
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
The purpose of the present invention is to provide a shaped article having high hardness realized in a short heat treatment time. The present invention provides a shaped article comprising a Ni-based alloy, wherein an α Cr phase and a γ phase and/or a γ' phase are lamellarly precipitated, and a granular precipitate having a particle diameter of 400 nm or more in terms of equivalent circle diameter is not included.
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p. ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
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
5.
HOT WORK TOOL STEEL POWDER FOR MOLDING AND MOLDED BODY USING SAME
The purpose of the present invention is to provide a hot work tool steel powder for molding and to also provide a molded body including the same, the hot work tool steel powder allowing production of a molded body in which: deep tempering is easy even if the molded body is large; occurrence of cracks in the molded body and/or at the interface between the molded body and the molded base material is suppressed; and the thermal conductivity is high. Provided is a hot work tool steel powder for molding comprising, as essential components in mass%, C at more than 0.10% and less than 0.45% and Ni at more than 2.00% and less than 8.00%, and as optional components, one or more of Si at less than 0.60%, Mn at less than 5.00%, Cr at less than 2.00%, Mo at less than 1.20%, W at less than 2.00%, V at less than 0.60%, and Al at less than 0.10%, the balance being Fe and unavoidable impurities, where Ni + Mn is less than 8.50%.
A powder for additive manufacturing excellent in high-temperature strength, and an additively manufactured article excellent in high-temperature strength produced using the powder for additive manufacturing are provide. An alloy powder material for additive manufacturing, including an alloy powder; and oxide nanoparticles that have not been subjected to surface treatment with an organic substance, wherein the oxide nanoparticles are attached to surfaces of alloy particles constituting the alloy powder, is provided. An additively manufactured article produced using the alloy powder material for additive manufacturing is also provided.
C21D 9/32 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roues d'engrenage, roues hélicoïdales, ou équivalent
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
Provided is a steel bar excellent in deformation anisotropy in compression processing. In this steel bar, an arbitrary cross-section is set orthogonal to the longitudinal direction of the steel bar, and, on a straight line passing through the center of the cross-section, a maximum hardness A (HRB), which is the maximum value of the hardness on a first straight line extending from the center to the surface of the steel bar in one direction, a maximum hardness B (HRB), which is the maximum value of the hardness on a second straight line extending from the center to the surface of the steel bar in a direction opposite to the first straight line, and a hardness C (HRB) at the center satisfy formula (1): ｜(C-A)-(C-B)｜≦4.0 HRB (1), and the average hardness in the arbitrary cross-section is 93 HRB or less.
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
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
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
9.
Ni Alloy Powder Suitable for Additive Manufacturing and Additively Manufactured Article Obtained Using Same
An Ni-based alloy powder having excellent high-temperature strength and cracking resistance, which is suitable for additive manufacturing, and the present disclosure provides an Ni-based alloy powder consisting of, in mass %:
Ni: 40.00% to 70.00%;
Cr: 15.00% to 25.00%;
Mo: 0.10% to 12.00%;
Nb: 3.00% to 7.00%;
Al: 0.10% to 1.50%;
Ti: 0.10% to 2.00%;
Si: 0.01% to 0.40%;
C: 0.001% to 0.15%;
B: 0.0002% to 0.0040%;
S: 0% to 0.002%;
one or more of W and Co: 0% to 7.00% in total; and
the balance consisting of Fe and inevitable impurities,
wherein a value of strength parameter A1 is 200 or more, and a value of cracking resistance parameter A2 is 200 or less.
Provided are: a Cu alloy powder for additive manufacturing use, which can be shaped at a relatively high density and from which an additive-manufactured article having high hardness, a high electrical conductivity and a high thermal conductivity can be manufactured; and a shaped article using the Cu alloy powder for additive manufacturing use. The Cu alloy powder for additive manufacturing use contains, in % by mass, 1.20 to 7.30% of Ni, 0.25 to 1.80% of Si, 0.40% or less of Mg, one or more elements selected from Zr, Cr, Nb, Mn, Fe, Zn and Sn in a total amount of 0.00 to 2.00%, 0.000 to 0.020% of C, 0.000 to 0.020% of P, 0.000 to 0.020% of S, and a remainder comprising Cu and unavoidable impurities, wherein the ratio of the content of Ni to the content of Si, i.e., Ni/Si ratio, is 3.00 to 6.00, and the total content of Ni and Si is 1.50 to 9.00%.
C22C 9/06 - Alliages à base de cuivre avec le nickel ou le cobalt comme second constituant majeur
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/34 - Commande ou régulation des opérations des caractéristiques de la poudre, p. ex. densité, oxydation ou fluidité
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p. ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
C22C 9/10 - Alliages à base de cuivre avec le silicium comme second constituant majeur
C22F 1/08 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du cuivre ou de ses alliages
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
11.
ATOMIZED POWDER, THERMAL SPRAY COATING, HEARTH ROLL, AND METHOD FOR PRODUCING HEARTH ROLL
An atomized powder has a heat-resistant alloy phase and a Cr7C3 phase dispersed in the heat-resistant alloy phase, and contains 20 to 46% of Ni, 22 to 43% of Cr, 4 to 13% of Al, 0.1 to 1.0% of Y, and 0.3 to 4.2% of C on a mass basis, and a remainder thereof includes Co and unavoidable impurities.
B22F 1/12 - Poudres métalliques contenant des particules non métalliques
C23C 4/073 - Matériaux métalliques contenant des alliages MCrAl ou MCrAlY où M est le nickel, le cobalt ou le fer, avec ou sans éléments non métalliques
C23C 4/10 - Oxydes, borures, carbures, nitrures ou siliciuresLeurs mélanges
The objective of the present invention is to provide metal powder with a small content of needle-like particles, the metal powder being suitable for a deposition-type additive manufacturing device that supplies the powder from a nozzle, wherein the ratio of the number of particles having an aspect ratio of 0.4 or less and a maximum longitudinal diameter of 150 μm or greater is 0.30% or less with respect to the number of all particles constituting the powder.
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
B22F 1/06 - Poudres métalliques caractérisées par la forme des particules
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
The present invention has the purpose of providing an overlay layer having excellent corrosion resistance and wear resistance and provides an overlay powder comprising a plurality of particles, wherein the material of the particles is an iron-based alloy, the iron-based alloy contains 0.10-0.35 mass% inclusive of C, 0.05-1.0 mass% inclusive of Si, 0.05-2.0 mass% inclusive of Mn, 0.20-4.0 mass% inclusive of Ni, 16.0-20.0 mass% inclusive of Cr, 0.10-8.0 mass% inclusive of W, 0.20-2.0 mass% inclusive of B, and 0.020 mass% or less of O, and the average spacing of secondary arms of dendrites observed in the cross-section of the particles is 5.0 μm or less.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/06 - Poudres métalliques caractérisées par la forme des particules
B22F 3/115 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par pulvérisation de métal fondu, c.-à-d. frittage par pulvérisation, moulage par pulvérisation
B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
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
The present invention provides, for the purpose of providing a build-up layer having excellent corrosion resistance and wear resistance, a powder for build-up comprising a large number of particles; the particles being made of an iron-based alloy; the iron-based alloy containing 1.0 mass% to 3.0 mass% of C, 0.05 mass% to 1.0 mass% of Si, 0.05 mass% to 2.0 mass% of Mn, 0.10 mass% to 4.0 mass% of W, 0.20 mass% to 4.0 mass% of Ni, 3.0 mass% to 7.0 mass% of Cr, 0.20 mass% to 2.0 mass% of B, and 0.020 mass% of O; the area ratio of carbide in the powder for build-up being 5.0% or below.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/06 - Poudres métalliques caractérisées par la forme des particules
B22F 3/115 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par pulvérisation de métal fondu, c.-à-d. frittage par pulvérisation, moulage par pulvérisation
B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
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
15.
STEEL FOR COLD FORGING/NITRIDING HAVING EXCELLENT COLD FORGEABILITY AND EXCELLENT NITRIDING PROPERTIES, AND COLD FORGED/NITRIDED COMPONENT USING SAME
The purpose of the present invention is to provide: steel for cold forging/nitriding, with which a decrease in the core hardness after nitriding can be suppressed, while exhibiting excellent cold forgeability; and a cold forged/nitrided component which uses this steel for cold forging/nitriding. The present invention provides steel for cold forging/nitriding that satisfies formulae 1 and 2, the steel having a structure which contains ferrite and pearlite, and may optionally contain bainite, with the area ratio of pearlite being 10 to 60% and the area ratio of bainite being 0 to 10%, and the steel having a surface hardness of 173 Hv or less in terms of Vickers hardness. (1): 0.15 < 0.10 × (Cr) + 0.67 × (Al) + 0.24 × (V) < 0.43 (2): 0.25 < 0.80 × (C) + 0.10 × (Cr) + 0.36 × (Mo) < 0.50
[Problem] To manufacture a rolling component having an excellent rolling life. [Solution] This method for machining a steel material involves applying compressive stress to a base material comprising a steel material including a non-metallic inclusion, to machine the same to a shape different from the base material, characterized in that a reduction ratio when the compressive stress is applied to the steel material is determined using a strain ratio εx/εx' as a control index. Here, εx' is a strain in an extension direction at a contact point between the non-metallic inclusion and a parent phase of the steel material when the contact point reaches an inversion position at which the direction of shear stress inverts. εx is the strain in the extension direction at a contact-point-corresponding-portion corresponding to the contact point, in the steel material without the non-metallic inclusion, when the contact-point-corresponding-portion reaches an inversion position at which the direction of shear stress inverts.
B21B 5/00 - Allongement de bandes de métal formant une boucle fermée
B21B 1/38 - 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 feuilles de longueur limitée, p. ex. des feuilles pliées, des feuilles superposées
B21H 1/00 - Fabrication d'articles en forme de solides de révolution
The purpose of the present invention is to provide a soft magnetic flat powder from which a magnetic sheet having excellent noise suppression performance can be obtained. The soft magnetic flat powder comprises a large number of flat particles. The material for the flat particles is a Fe-Si-Al alloy containing 0.010-0.050 mass% of C.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
B22F 1/06 - Poudres métalliques caractérisées par la forme des particules
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B22F 9/10 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation en employant la force centrifuge
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
H01F 1/147 - Alliages caractérisés par leur composition
H01F 1/26 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
Provided is a sputtering target with which is obtained a uniform thin film composed mainly of Cr. This sputtering target is configured from a Cr group alloy. The Cr group alloy contains 10.0-30.0 at% of B. The metal composition of the target includes a CrB phase and a Cr single phase. The ratio of an X-ray diffraction peak relating to the (111) plane of the CrB phase to an X-ray diffraction peak relating to the (110) plane of the Cr single phase is 10-80%. The bending-resistant strength of the target as measured in a three-point bending test is preferably 300 MPa or higher. The oxygen content of the Cr group alloy is preferably 2,000 ppm or lower.
Provided is a method for more easily ensuring the accuracy when analyzing the carbon concentration distribution in accordance with the position in a steel material to be subjected to a carburization treatment. Specifically, this method is for analyzing the carbon concentration distribution in accordance with the position in a steel material to be subjected to a carburization treatment. When analyzing the carbon concentration distribution using a diffusion equation, at least one of the diffusion coefficient, the mobility, and the diffusion flux, of carbon, included in the diffusion equation is multiplied by a correction coefficient. The correction coefficient is set so as to satisfy a condition in which an error between the carbon concentration distribution analyzed from the diffusion equation and a previously measured carbon concentration distribution becomes equal to or less than a threshold value.
Provided is an iron-based alloy powder with which the cracking of a molded body can be prevented. The iron-base alloy powder comprises, in terms of mass%: 0.30 ≤ C ≤ 0.50; 0 < Si ≤ 0.40; 0 < Mn ≤ 0.40; 0.85 ≤ Cr ≤ 1.75; 0 < Ni ≤ 0.40; 0.70 ≤ Mo ≤ 1.20; 0 < V ≤ 0.60; 0 < Al ≤ 0.10; and 0 ≤ W ≤ 0.40%. The balance is iron and unavoidable impurities. Of all elements contained in the iron-based alloy powder, the equivalent carbon content Ceq, which is a value representing the influence of non-carbon elements in terms of the amount of carbon, is 0.95% or less.
Provided is a shaped article which can satisfy both high heat conducting properties and hardness (quenching and tempering hardness, and hardness after retention at a high temperature and softening). The shaped article produced from an Fe-based alloy powder, the Fe-based alloy powder consisting of, in mass %: 0.2050.0; (3) PC<3.0.
Provided is a steel powder for a hot work tool, suitable for additive manufacturing. A stacked shaped article produced by the powder can satisfy both high heat conducting properties and hardness. An Fe-based alloy powder consisting of, in mass %, 0.4021.7 (1); K2>29.0 (2), and wherein the Fe-based alloy powder has an average particle size D50 of 200 μm or less.
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
23.
NICKEL-BASED ALLOY POWDER FOR LAMINATION MOLDING AND LAMINATION MOLDED BODY
Provided is a powder for metal lamination molding, the powder having excellent high-temperature strength and cracking resistance. Also provided is a lamination molded article prepared using this powder for lamination molding, the lamination molded article having excellent high-temperature strength. This mixed powder for lamination molding comprises a Ni-based alloy powder at least containing one or two of Ai and Ti within the range of 0.5 mass %≤(Al+1/2Ti)≤2.8 mass % in the chemical components and an oxide nanoparticle attached to the surface of the Ni-based alloy powder.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/16 - Particules métalliques revêtues d'un non-métal
B22F 3/16 - Compactage et frittage par des opérations successives ou répétées
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
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 1/10 - 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
The purpose of the present invention is to provide an alloy tool steel for hot working that has both excellent toughness and excellent softening resistance. Provided is an alloy tool steel for hot working, containing carbon, silicon, manganese, nickel, chromium, molybdenum, vanadium, niobium, and nitrogen, the remainder being iron and impurities, wherein: the metallographic structure of the alloy tool steel for hot working is martensite or bainite; the metallographic structure includes blocks with a diameter of 2.0–6.0 μm; and a solid solute element on quenching parameter Q, calculated on the basis of the formula Q = (Cr1 + Mo1 + V1 + Nb1) / (Cr2 + Mo2 + V2 + Nb2) [where (Cr1 + Mo1 + V1 + Nb1) represents the total amount of chromium, molybdenum, vanadium, and niobium in solid solution in austenite at the quenching temperature and (Cr2 + Mo2 + V2 + Nb2) represents the total amount of chromium, molybdenum, vanadium, and niobium in solid solution in austenite at 800°C], is at least 1.12.
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
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 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
25.
METHOD OF MANUFACTURING MIXED POWDER FOR ADDITIVE MANUFACTURING
Provided is a method of manufacturing a mixed power for additive manufacturing in which an M powder is more uniformly distributed. The method includes a mixing step for mixing a first metal powder comprising a spherical Cu powder or CuM alloy powder (where M is one or more metal elements) and a second metal powder comprising a spherically formed M powder.
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B22F 9/14 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques en utilisant des décharges électriques
Provided is a Cu-based alloy powder, which is suitable for molding that is based on a process involving rapid melting and rapid solidification and with which a Cu-based alloy molded article having excellent relative density, electric conductivity, and strength can be formed. This Cu-based alloy powder comprises 0.05 to 10.0% by mass of an additive element M1 component, 0.01 to 1.00% by mass of a third element M2 component, and the balance Cu with unavoidable impurities. The M1 component comprises any one or more of Nd, Zr, Mo, and Cr, and the M2 component comprises one or more elements having a solid solubility limit of not more than 1.0% by mass relative to the M1 component added to the alloy powder.
The purpose of the present invention is to provide a 3D printing powder having excellent high-temperature strength and a 3D printed body having excellent high-temperature strength and fabricated using the 3D printing powder. The present invention provides: a 3D printing alloy powder material comprising an alloy powder, and oxide nanoparticles that have not been surface treated by an organic substance and that are adhered to the surface of alloy particles constituting the alloy powder; and a 3D printed body fabricated using the 3D printing alloy powder material.
B22F 1/16 - Particules métalliques revêtues d'un non-métal
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/105 - Poudres métalliques contenant des agents lubrifiants ou liantsPoudres métalliques contenant des matières organiques contenant des agents lubrifiants ou liants inorganiques, p. ex. des sels métalliques
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p. ex. nanocomposites
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
The present invention addresses the problem of providing an Ni alloy powder that is suited to additive manufacturing and has excellent high-temperature strength and cracking resistance. Provided is an Ni alloy powder that is, by mass, 40.00%–70.00% Ni, 15.00%–25.00% Cr, 0.10%–12.00% Mo, 3.00%–7.00% Nb, 0.10%–1.50% Al, 0.10%–2.00% Ti, 0.01%–0.40% Si, 0.001%–0.15% C, 0.0002%–0.0040% B, 0%–0.002% S, and a total of 0%–7.00% W and/or Co, the remainder being Fe and unavoidable impurities, the Ni alloy powder having an A1 (strength parameter) value of at least 200 and an A2 (cracking resistance parameter) value of no more than 200.
Provided is copper alloy powder which is appropriate for a process involving rapid melting and rapid solidification, such as for a laminate molding, and makes it possible to produce a molded article having high density and high conductivity. The copper alloy powder for a three-dimensional laminate molding is composed of a copper alloy containing an additive element M, wherein the additive element M has a solid solubility limit A in an equilibrium state with copper of 0.01≤A≤1.00 (atomic %), and B/A, which is the ratio of an actual solid solution amount B (atomic %) to the solid solubility limit A (atomic %), is 1.2-5.0.
The purpose of the present invention is to provide a CoFeB alloy-based target material that reduces generation of particles during sputtering. Provided is a sputtering target material comprising an alloy containing Co and/or Fe, and B and at least one additive element M, the remaining portion being unavoidable impurities. The contained amount of B in the alloy is 49.0-52.0 at%. The at least one additive element M is selected from the group consisting of Mo, W, Nb, Ta, Zr, and Hf. The total contained amount of the at least one additive element M in the alloy is 0.1-2.0 at%.
C22C 29/14 - Alliages à base de carbures, oxydes, borures, nitrures ou siliciures, p. ex. cermets, ou d'autres composés métalliques, p. ex. oxynitrures, sulfures à base de borures
G11B 5/39 - Structure ou fabrication de têtes sensibles à un flux utilisant des dispositifs magnétorésistifs
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/147 - Alliages caractérisés par leur composition
H01F 1/22 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées
Provided is a sputtering target material having excellent crack resistance and a method of producing the same. Also provided is a sputtering target material and a method of producing the same. The sputtering target material is composed of an alloy consisting of B; one or more rare earth elements; and the balance consisting of Co and/or Fe and unavoidable impurities. The amount of B in the alloy is 15 at. % or more and 30 at. % or less. The one or more rare earth elements are selected from the group consisting of Pr, Sm, Gd, Tb, Dy, and Ho. The total amount of the one or more rare earth elements in the alloy is 0.1 at. % or more and 10 at. % or less.
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/10 - Alliages ferreux, p. ex. aciers alliés contenant du cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
H01F 1/055 - Alliages caractérisés par leur composition contenant des métaux des terres rares et des métaux de transition magnétiques, p. ex. SmCo5
H01F 41/18 - 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 appliquer des pellicules magnétiques sur des substrats par pulvérisation cathodique
H01J 37/34 - Tubes à décharge en atmosphère gazeuse fonctionnant par pulvérisation cathodique
Provided is a method of producing a target material with reduced particle generation during sputtering, which is a method of producing a sputtering target material whose material is an alloy M, including a sintering step of sintering a mixed powder obtained by mixing a first powder and a second powder. A material of the first powder is an alloy M1 in which the proportion of a B content is from 40 at. % to 60 at. %. A material of the second powder is an alloy M2 in which the proportion of a B content is from 20 at. % to 35 at. %. The proportion of a B content in the mixed powder is from 33 at. % to 50 at. %. A metallographic structure including a (CoFe)2B phase and a (CoFe)B phase is formed in the sintering step. A boundary length per unit area Y (1/μm), which is obtained by measuring a boundary length between the (CoFe)2B phase and the (CoFe)B phase using a scanning electron microscope, and a proportion X (at. %) of a B content of the alloy M satisfy the expression
Provided is a method of producing a target material with reduced particle generation during sputtering, which is a method of producing a sputtering target material whose material is an alloy M, including a sintering step of sintering a mixed powder obtained by mixing a first powder and a second powder. A material of the first powder is an alloy M1 in which the proportion of a B content is from 40 at. % to 60 at. %. A material of the second powder is an alloy M2 in which the proportion of a B content is from 20 at. % to 35 at. %. The proportion of a B content in the mixed powder is from 33 at. % to 50 at. %. A metallographic structure including a (CoFe)2B phase and a (CoFe)B phase is formed in the sintering step. A boundary length per unit area Y (1/μm), which is obtained by measuring a boundary length between the (CoFe)2B phase and the (CoFe)B phase using a scanning electron microscope, and a proportion X (at. %) of a B content of the alloy M satisfy the expression
Y<−0.0015×(X−42.5)2+0.15.
1010[t]+24)/1000 (where [T] represents the quenching temperature (°C) and [t] represents the quenching temperature retention time (h)), is 27.4 to 29.3; and the number of carbides having an equivalent circular diameter of 1 μm or more per 10,000 μm2 of the hot work tool steel before use is 150 or less.
733 phases that are dispersed in the heat-resistant alloy phase, and which contains, on a mass basis, 20-46% of Ni, 22-43% of Cr, 4-13% of Al, 0.1-1.0% of Y and 0.3-4.2% of C, with the balance being made up of Co and unavoidable impurities.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 3/24 - Traitement ultérieur des pièces ou objets
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
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
C23C 4/04 - Revêtement par pulvérisation du matériau de revêtement à l'état fondu, p. ex. par pulvérisation à l'aide d'une flamme, d'un plasma ou d'une décharge électrique caractérisé par le matériau de revêtement
Provided is copper alloy powder suitable for additive manufacturing, with which a high-density high-electrical-conductivity shaped object can be manufactured. This copper alloy powder for additive manufacturing comprises: a total of 0.1 to 10% of Zr alone, or element M which is a combination of Zr and at least one kind selected from the group comprising Cr, Fe, Ni, and Nb; 50 to 500 ppm of O; 0% to 0.2% of Si; 0% to 0.2% of P; 0% to 0.2% of S; and the balance Cu and inevitable impurities. In a diffraction pattern of this copper alloy powder obtained by X-ray diffraction using a CuKα ray, where (1) represents a peak intensity at diffraction angle 2θ = 43.0 ± 0.2˚, (2) represents a peak intensity at diffraction angle 2θ = 43.5 ± 0.2˚, and (3) represents a peak intensity at diffraction angle 2θ = 50.2 ± 0.5˚, peak intensity ratio (1)/(3) is 1.5 to 2.5, and peak intensity ratio (2)/(3) is 2.5 to 3.5.
Provided is a soft-magnetic flat powder that is suitable for manufacturing a high-performance magnetic sheet. This soft-magnetic flat powder is formed of a Fe-Si-Al-based alloy that contains B as an added element. The percentage content of B in the alloy is 0.002-0.015 mass%. Preferably, the flat powder has a volume-based median diameter D50 of 30-80 μm, a tap density TD of 1.25 g/cm3 or less, and a magnetic coercive force Hc of 400 A/m or less.
The purpose of the present invention is to provide a shaped body which is able to achieve a good balance between high thermal conductivity and hardness (quenching/tempering hardness and hardness after softening by means of retention at high temperatures); and the present invention provides a shaped body which is formed of an Fe-based alloy powder that contains, in mass%, more than 0.20 but less than 0.60 of C, less than 0.60 of Si, less than 0.90 of Mn, less than 4.00 of Cr, less than 2.00 of Ni, less than 1.20 of Mo, less than 2.00 of W, less than 0.60 of V and less than 0.10 of Al, with the balance being made up of Fe and unavoidable impurities, and which satisfies the formulae (1) to (3) described below. (1): T1 = 71.7 – 5.9(Mn) – 6.3(Cr) – 2.8(V) – 5.7(Mo) – 1.1(W) - 23.1(C) – 5.8(Ni) – 1.9(Si) – 0.5(Al) – 0.6PC > 32.0 (2): T2 = 80.1 + 2.4(Mn) + 1.6(Si) + 7.1(Cr) – 12.0PC > 50.0 (3) The average size PC of carbides < 3.0 (μm)
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
B33Y 80/00 - Produits obtenus par fabrication additive
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 10/38 - Commande ou régulation des opérations pour obtenir des caractéristiques spécifiques du produit, p. ex. le lissage de la surface, la densité, la porosité ou des structures creuses
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
Provided is an alloy powder capable of obtaining a magnetic member therefrom in which the frequency FR is extremely high. The powder for the magnetic member is composed of a plurality of flaky particles. These flaky particles are composed of an Fe-based alloy including: 6.5% by mass or more and 32.0% by mass or less of Ni; 6.0% by mass or more and 14.0% by mass or less of Al; 0% by mass or more and 17.0% by mass or less of Co; and 0% by mass or more and 7.0% by mass or less of Cu; the balance being Fe and unavoidable impurities. The average thickness Tav of this powder is 3.0 μm or less. The saturation magnetization Ms of this powder is 0.9 T or more. The coercive force iHc of this powder is 16 kA/m or more. This Fe-based alloy has a structure resulting from spinodal decomposition.
A problem to be solved by the present invention is to provide an alloy that is suitable for a sputtering target material and easy to be produced by an atomization method, and, in order to solve the problem. The present invention provides an alloy containing: at least one selected from Co and Fe; B; C; and the balance being unavoidable impurities. A concentration of C in the alloy is 50 ppm or more and 950 ppm or less, and where a composition of Co, Fe and B, excluding C and the unavoidable impurities, in the alloy is represented by the general formula: (CoX-Fe100-X)100-Y-BY, where X is 0 or more and 100 or less, and Y is 10 or more and 65 or less.
Provided is a powder which has a high saturation magnetic flux density and excellent flame retardancy. This powder is a flame retardant powder for a magnetic member, and includes a plurality of flaky particles. These particles are composed of an Fe—Si-based alloy containing 7% by mass or more and 12% by mass or less of Si. The content of Si in terms of percentage by mass, P(Si), in this alloy and the flame retardancy parameter PNF satisfy the following mathematical formulae (I) and (II): (−0.97×P(Si)+13.0)
An iron alloy provided with: a composition comprising, in terms of mass%, 0.1-0.4% C, 0.2-2.0% Si, 0.05-2.0% Mn, 25-42% Ni, 0.1-3.0% Cr, 0.2-3.0% V, a total of 0-0.1% of one or more elements selected from the group consisting of Ca, Ti, Al, and Mg, a total of 0-0.1% of one or more elements selected from the group consisting of Zr, Hf, Mo, Cu, Nb, Ta, W, and B, and 0-5% Co, the remainder comprising Fe and unavoidable impurities; and a structure in which an oxide is dispersed in a parent phase, the maximum diameter of the oxide included in a 2 mm × 20 mm-region in a cross section of the iron alloy being less than 150 µm.
B22D 27/04 - Action sur la température du métal, p. ex. par chauffage ou refroidissement du moule
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 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
B22D 11/00 - Coulée continue des métaux, c.-à-d. en longueur indéfinie
B22D 11/22 - Commande ou régulation des opérations ou du fonctionnement du refroidissement des barres coulées ou des moules
The purpose of the present invention is to provide a sputtering target material having exceptional cracking resistance, and a method for manufacturing said sputtering target material. Provided is a sputtering target material the substance of which is an alloy including B and one or more rare-earth elements, the balance being Co and/or Fe, and unavoidable impurities, wherein: the B content of the alloy is 15-30 at.% (inclusive); the one or more rare-earth elements are selected from the group consisting of Pr, Nd, Sm, Gd, Tb, Dy, and Ho; and the total rare-earth element content with respect to the one or more rare-earth elements is 0.1-10 at.% (inclusive). Also provided is a method for manufacturing said sputtering target material.
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 41/18 - 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 appliquer des pellicules magnétiques sur des substrats par pulvérisation cathodique
H01L 43/08 - Résistances commandées par un champ magnétique
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22C 1/047 - Fabrication des alliages non ferreux par métallurgie des poudres comprenant des composés intermétalliques
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/36 - Commande ou régulation des opérations des paramètres du faisceau d’énergie
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
222B phase and the (CoFe)B phase with use of a scanning electron microscope and the B content ratio X (at.%) of the alloy M satisfy the formula below. Y < -0.0015 × (X – 42.5)2 + 0.15
22B phase and (c) a (CoFe)B phase; the first phase is composed of an Fe phase or a CoFe phase that has a Co content ratio of less than 80 at.% relative to the sum of the Co content and the Fe content; and the second phase is composed of a Co phase or a CoFe phase that has a Co content ratio of 80 at.% or more relative to the sum of the Co content and the Fe content.
Provided is an Fe-based metal powder that is suitable for a process involving rapid melt-quenching and solidification, and that provides a shaped article having superior properties. The metal powder for shaping is made of an Fe-based alloy. The Fe-based alloy contains: Ni in an amount of 15.0% to 21.0% by mass; Co in an amount of 0% to 10.0% by mass; Mo in an amount of 0% to 7.0% by mass; Ti in an amount of 0.1% to 6.0% by mass; Al in an amount of 0.1% to 3.0% by mass; and the balance composed of Fe and incidental impurities.
In order to provide hot-work tool steel having exceptional high-temperature strength and toughness, the present invention provides: hot-work tool steel that contains, in terms of mass%, 0.20-0.60% of C, 0.1-0.3% of Si, 0.5-2.0% of Mn, 0.5-2.5% of Ni, 1.6-2.6% of Cr, 0.3-2.0% of Mo, and 0.05-0.80% of V, the balance being Fe and unavoidable impurities; and hot-work tool steel that contains, in terms of mass%, 0.20-0.60% of C, 0.1-0.3% of Si, 0.5-2.0% of Mn, 0.5-2.5% of Ni, 1.6-2.6% of Cr, 0.3-2.0% of Mo, and 0.05-0.80% of V, the balance being Fe and unavoidable impurities, and the hot-work tool steel being configured so that the number of carbides having a size such that the equivalent circle diameter is 1 μm or greater is 150 or less per 10,000 μm2 in the hot-work tool steel prior to use.
Metals in foil or powder form for 3d printers; common metals
in powder form; iron and steel; alloys of common metal;
castings, foils, powder, and rolled, drawn or extruded
semi-finished articles of nickel or its alloys; castings,
foils, powder, and rolled, drawn or extruded semi-finished
articles of cobalt or its alloys; castings, foils, powder,
and rolled, drawn or extruded semi-finished articles of
titanium or its alloys; castings, foils, powder, and rolled,
drawn or extruded semi-finished articles of copper or its
alloys.
56.
METHOD FOR SPHEROIDIZING ANNEALING CASE-HARDENING STEEL
11 point temperature of 750ºC or higher and contains, in terms of mass%, 0.15-0.26% of C, 0.05-1.00% of Si, 0.1-0.9% of Mn, 0.030% or less of P, 0.030% or less of S, 1.30-2.50% of Cr, 0.020-0.050% of Al, 0.0040-0.0300% of N, at least one of 0-2.00% of Ni and 0-2.00% of Mo as desired, and at least one of 0-0.10% of Nb, 0-0.200% of Ti, 0-0.0050% of B and 0-0.500% of V as desired, with the remainder consisting of Fe and unavoidable impurities, such that the spheroidizing annealing holding temperature T (ºC) satisfies the condition (A1 point-30)≤T≤(A1 point-5) and the spheroidizing annealing holding time t (h) satisfies the condition t≥120/(T-A1+50).
Metals in foil or powder form for 3d printers; common metals in powder form; iron and steel; alloys of common metal; castings, foils, powder, and rolled, drawn or extruded semi-finished articles of nickel or its alloys; castings, foils, powder, and rolled, drawn or extruded semi-finished articles of cobalt or its alloys; castings, foils, powder, and rolled, drawn or extruded semi-finished articles of titanium or its alloys; castings, foils, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
C22C 38/30 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cobalt
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/34 - Commande ou régulation des opérations des caractéristiques de la poudre, p. ex. densité, oxydation ou fluidité
Provided is a Cu-based alloy powder that is suitable for processes accompanied by rapid melting and rapid solidification and that can provide a molded article having excellent characteristics. The powder is constituted of a Cu-based alloy. The Cu-based alloy contains 0.1-10.0 mass% of an element M that is one or more elements selected from Cr, Fe, Ni, Zr, and Nb; Si at more than 0 mass% and not more than 0.20 mass%; P at more than 0 mass% and not more than 0.10 mass%; and S at more than 0 mass% and not more than 0.10 mass%, with the balance being Cu and inevitable impurities. The ratio (D50/TD) for this powder of the average particle diameter D50 (μm) thereof to the tap density TD (Mg/m3) thereof is 0.2 × 10-5·m4/Mg to 20 × 10-5·m4/Mg. The sphericity of the powder is 0.80-0.95.
C22C 9/06 - Alliages à base de cuivre avec le nickel ou le cobalt comme second constituant majeur
H01B 1/02 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement de métaux ou d'alliages
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
In order to address the issue of providing a seed layer alloy that can obtain a large-capacity magnetic recording medium having excellent corrosion resistance, this seed layer alloy for a magnetic recording medium includes: at least at least one type selected from the group consisting of Ni, Fe, and Co; at least one type of element M1 selected from the group consisting of W, Mo, Ta, Cr, V, and Nb; at least one type of element M2 selected from the group consisting of Au, Ag, Pd, Rh, Ir, Ru, Re, and Pt; and unavoidable impurities. The element M1 content is 2–13 at.%, the element M2 content is 2–13 at.%, and the sum of the element M1 content and the element M2 content is 4–15 at.%. When the Ni, Fe, and Co content ratio (at.%) Ni:Fe:Co in the alloy is X:Y:Z, X is 20–100, Y is 0–50, and Z is 0–60.
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
G11B 5/738 - Couches de base caractérisées par la couche intermédiaire
G11B 5/84 - Procédés ou appareils spécialement adaptés à la fabrication de supports d'enregistrement
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
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
A method of making a sputtering target in which an atomized powder including, in at. %, 10 to 50% of B, 0 to 20% in total of one or more elements selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Ru, Rh, Ir, Ni, Pd, Pt, Cu, and Ag, and a balance of one or both of Co and Fe, and unavoidable impurities is provided. Fine particles are removed from the atomized powder to obtain a powder having a particle distribution where the cumulative volume of particles having a particle diameter of 5 μm or less is 10% or less, and the cumulative volume of particles having a particle diameter of 30 μm or less is 5-40%. The obtained powder is sintered to form a sputtering target comprising a sintered body. The sputtering target comprises hydrogen of 20 ppm or less.
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
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 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
H01F 41/18 - 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 appliquer des pellicules magnétiques sur des substrats par pulvérisation cathodique
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
H01J 37/34 - Tubes à décharge en atmosphère gazeuse fonctionnant par pulvérisation cathodique
C22C 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
B22F 1/052 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules caractérisées par un mélange de particules de dimensions différentes ou par la distribution granulométrique des particules
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22C 38/10 - Alliages ferreux, p. ex. aciers alliés contenant du cobalt
62.
Ni-BASED SPUTTERING TARGET AND MAGNETIC RECORDING MEDIUM
The present invention addresses the problem of providing a Ni-based sputtering target having little bias in magnetic distribution within the target, and a magnetic recording medium having a seed layer formed using the Ni-based sputtering target. In order to solve this problem, the present invention provides a Ni-based sputtering target comprising an Fe-Ni-Co-M-based alloy which contains an additional element M and at least one element from among Fe and Co, the remainder comprising Ni and unavoidable impurities, wherein the microstructure of the Fe-Ni-Co-M-based alloy comprises a plurality of regions having different Ni content, the additional element M is present in each region, and the form in which the additional element M is present in each region is only as a solid solution of the additional element M, only as a compound of the additional element M and at least one element from among Fe, Ni, and Co, or as both a solid solution and a compound.
Provided is an alloy powder from which a magnetic member having an extremely high frequency FR can be manufactured. A powder for a magnetic member comprises a plurality of flat particles. Each of the flat particles comprises an Fe-based alloy which contains 6.5 to 32.0% by mass inclusive of Ni, 6.0 to 14.0% by mass inclusive of Al, 0 to 17.0% by mass inclusive of Co, 0 to 7.0% by mass inclusive of Cu and a remainder made up by Fe and unavoidable impurities. The average thickness Tav of the powder is 3.0 μm or less. The saturation magnetization Ms of the powder is 0.9T or more. The coercive force iHc of the powder is 16 kA/m or more. The Fe-based alloy has a structure produced by spinodal decomposition.
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
C22C 30/02 - Alliages contenant moins de 50% en poids de chaque constituant contenant du cuivre
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
NFNF= D50×TD/ρ (In the formulae, D50 denotes the median diameter of the powder, TD denotes the tap density of the powder, and ρ denotes the true density of the powder.)
H01F 1/147 - Alliages caractérisés par leur composition
H01F 1/26 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/147 - Alliages caractérisés par leur composition
H01F 1/20 - 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 particules, p. ex. de poudre
H01F 1/24 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées
67.
Co-BASED ALLOY FOR USE IN SOFT MAGNETIC LAYER OF MAGNETIC RECORDING MEDIUM
The present invention addresses the problem of providing a Co-based alloy with which it is possible to produce a target exhibiting excellent toughness and to obtain a soft magnetic layer having a low saturation magnetic flux density. With a view to solving said problem, the present invention provides a Co-based alloy for use in a soft magnetic layer of a magnetic recording medium, said alloy comprising 11-25 at% of one or more types of element XA selected from the group consisting of Nb, Mo, Ta, and W, 0.4-10 at% of one or more types of element XB selected from the group consisting of V, Cr, Mn, Ni, Cu, and Zn, with the remainder being Co, Fe, and unavoidable impurities, wherein the total content of the element XA and the element XB is less than 30 at%.
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
G11B 5/667 - Supports d'enregistrement caractérisés par l'emploi d'un matériau spécifié comportant uniquement le matériau magnétique, sans produit de liaison les supports d'enregistrement étant constitués par plusieurs couches magnétiques comprenant une couche magnétique douce
G11B 5/738 - Couches de base caractérisées par la couche intermédiaire
G11B 5/84 - Procédés ou appareils spécialement adaptés à la fabrication de supports d'enregistrement
G11B 5/851 - Revêtement d'un support avec une couche magnétique par pulvérisation cathodique
H01F 10/16 - Métaux ou alliages contenant du cobalt
H01F 41/18 - 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 appliquer des pellicules magnétiques sur des substrats par pulvérisation cathodique
68.
Ni—Cr based alloy brazing material containing trace amount of V
The present invention addresses the problem of providing a molded body which is formed of an Ni-based alloy, and which exhibits excellent strength in a high temperature environment. In order to solve this problem, the present invention provides a molded body of a powder of an Ni-based alloy which contains: one or more elements selected from the group consisting of from 40.0% by mass to 80.0% by mass (inclusive) of Ni, from 13.0% by mass to 30.0% by mass (inclusive) of Cr; from 0.001% by mass to 0.30% by mass (inclusive) of C, from 0.10% by mass to 5.0% by mass (inclusive) of Al, from 0.10% by mass to 12.0% by mass (inclusive) of Mo, from 0.10% by mass to 20.0% by mass (inclusive) of Co, and from 0.10% by mass to 6.0% by mass (inclusive) of W; from 0.1% by mass to 8.0% by mass (inclusive) in total of one or more elements selected from the group consisting of Nb, Ti and Zr; from 0.010% by mass to 0.20% by mass (inclusive) of N; and from 0% by mass to 0.50% by mass (inclusive) of Si, with the balance being made up of Fe and unavoidable impurities. In addition, nitrides are dispersed in this molded body.
With the present invention, provided is a negative electrode material with which it is possible to obtain a power storage device in which the storage capacity is high, and a decrease in storage capacity due to repeated charging and discharging is suppressed. This negative electrode material for a power storage device comprises many particles. Each particle has a mother particle made of an Si based alloy, and a covering layer that covers this mother particle and is made of a carbon based material. This Si based alloy includes Si: 50 to 95 at% [inclusive], Cr: 5 to 20 at.% [inclusive], Ti: 5 to 20 at.% [inclusive], and element A: 0 to 10 at.% [inclusive]. Element A is one or more elements selected from the group consisting of V, Fe, Ni, Mo, Nb, Co, Al, and Sn.
In order to provide a Ni-based alloy for a seed layer, the alloy enabling achievement of a seed layer that exhibits enhanced alignment to the (111) plane and that has a fine crystal grain size, a sputtering target which contains said alloy, and a magnetic recording medium having a seed layer which contains said alloy, provided is a Ni-based alloy for a seed layer in a magnetic recording medium, the alloy containing one or more types of elements RE selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, wherein the content rate of said elements RE falls within 1-10 at%.
G11B 5/738 - Couches de base caractérisées par la couche intermédiaire
C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
G11B 5/84 - Procédés ou appareils spécialement adaptés à la fabrication de supports d'enregistrement
H01F 10/14 - Métaux ou alliages contenant du fer ou du nickel
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
Provided is a Cu-based alloy powder which is suitable for a process involving rapid melting and rapid solidification and can be shaped into an article having excellent properties. The powder is made from a Cu-based alloy. The Cu-based alloy contains at least one element M selected from V, Fe, Zr, Nb, Hf and Ta in an amount of 0.1 to 5.0% by mass inclusive. The remainder is made up by Cu and unavoidable impurities. A D50/TD value, which is the ratio of an average particle diameter D50 (μm) of the powder to a tap density TD (Mg/m3) of the powder, is 0.2×10-5·m4/Mg to 20×10-5·m4/Mg inclusive.
In order to provide a soft magnetic flaky powder having high electrical resistance and high corrosion resistance, and a magnetic sheet including the same, the present invention provides a soft magnetic flaky powder, including a plurality of soft magnetic flaky particles. Each of the plurality of soft magnetic flaky particles contains an Fe-based alloy flaky particle and a coating layer formed on a surface of the Fe-based alloy flaky particle. The coating layer contains one or two or more components selected from chromic acid and a hydrate thereof, and a metal salt of an inorganic acid and a hydrate thereof. The inorganic acid is selected from sulfuric acid, nitric acid, chromic acid, phosphoric acid, hydrofluoric acid and acetic acid. The metal salt is selected from a Na salt, an Al salt, a Ti salt, a Cr salt, a Ni salt, a Ga salt and a Zr salt. The coating layer has a thickness of 10 nm or more.
H01F 1/147 - Alliages caractérisés par leur composition
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
B22F 3/24 - Traitement ultérieur des pièces ou objets
B22F 1/16 - Particules métalliques revêtues d'un non-métal
Provided is a powder for a mold, wherein solidification cracking is unlikely to occur even if the powder is used in a process accompanied by rapid melting and rapid solidification. This powder for the mold is made of an alloy. The alloy contains 0.25-0.45 mass% of C, 0.01-1.20 mass% of Si, more than 0 mass% but not more than 1.50 mass% of Mn, 2.0-5.5 mass% of Cr, and 0.2-2.1 mass% of V. The alloy further contains one or more of more than 0 mass% but not more than 3.0 mass% of Mo, more than 0 mass% but not more than 9.5 mass% of W, and more than 0 mass% but not more than 4.5 mass% of Co. The remaining part of the alloy is Fe and inevitable impurities. The alloy satisfies (Mn%)3/S%>6.7. The total content of P, S, and B is 0.020 mass% or lower.
There is provided a magnetic powder for high frequency use including, in percent by mass, 0.2 to 5.0% C and at least one selected from Group IV to VI elements, Mn, and Ni in a total of 0.1 to 30%, the balance being Fe or/and Co, inclusive 0% for Co), and incidental impurities, wherein the saturation magnetization exceeds 1.0 T and satisfies Expression (1): Co%/(Co%+Fe%)≤0.50. According to the magnetic powder, there is provided a metal magnetic powder having a saturation magnetization exceeding 1.0 T and also having a high FR of 200 MHz or more and a magnetic resin composition including the metal magnetic powder.
The present invention addresses the problem of providing a target material (2) that is not prone to cracking during sputtering, and in order to solve this problem, the present invention provides a sputtering target material (2) including an alloy including Ta and Cr, the remainder being unavoidable impurities, wherein the flexural strength thereof measured by a three-point bending test is at least 400 MPa.
The present invention addresses the issue of providing: a stainless steel powder unlikely to have quenching cracks in a molded article in a molding method including a rapid melting and rapid quenching process; a powder material for molding, including said stainless steel powder; and a production method for molded articles using said stainless steel powder. In order to solve the issue, provided is a stainless steel powder that includes 10.5%–20.0% by mass Cr, 1.0%–15.0% by mass Ni, a total of 0%–2.0% of C, Si, Mn, and N, a total of 0%–5.0% by mass Mo, Cu, and Nb, and a total of 0%–0.03% by mass P and S, with the remainder being Fe and unavoidable impurities. The stainless steel fulfills formula (1): Creq/Nieq ≥ 1.5.
A flaky powder for high frequency application is provided, wherein the flaky powder contains 1.5 to 3.0 mass % C, 10 to 20 mass % Cr, 0.03 to 0.30 mass % N, and the balance being Fe and incidental impurities, and has an average particle diameter of 200 μm or less, an average thickness of 5 μm or less, an average aspect ratio of 5 or more, a saturation magnetization of more than 1.0 T, and a frequency (FR) of 200 MHz or more at which tan δ reaches 0.1. Based on the flaky powder, a novel magnetic flaky metal powder having a saturation magnetization exceeding 1.0 T and exhibiting a high FR of 200 MHz or more, and magnetic sheets including the magnetic flaky metal powder are provided.
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
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
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 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
H01F 1/26 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
H01F 1/20 - 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 particules, p. ex. de poudre
A Ni—Cr—Fe-based alloy brazing filler material to which Cu is added, and which has a low melting temperature, and is inexpensive and excellent in corrosion resistance and in strength, for use in manufacture of stainless-steel heat exchangers or the like, specifically, a Ni—Cr—Fe-based alloy brazing filler material, including, in mass %, Cr: 15 to 30%; Fe: 15 to 30%; Cu: 2.1 to 7.5%; P: 3 to 12%; and Si: 0 to 8%; and the balance being Ni and unavoidable impurities, wherein the total content of Cr and Fe is 30 to 54%, and the total content of P and Si is 7 to 14%.
Provided is an Fe-based metal powder which is suitable for a process accompanied by rapid melting and rapid solidification, and from which a molded object having excellent characteristics is obtained. This metal powder for molding is made from an Fe-based alloy, wherein the Fe-based alloy comprises: 15.0-21.0 mass% of Ni; 0-10.0 mass% of Co; 0-7.0 mass% of Mo; 0.1-6.0 mass% of Ti; and 0.1-3.0 mass% of Al, with the balance being Fe and inevitable impurities.
This steel having high hardness and excellent ductility includes, in mass%, one or more species of C: 0.40-1.00%, Si: 0.10-2.00%, Mn: 0.10-1.00%, P: 0.030% or less, S: 0.030% or less, Cr: 1.10-3.20%, Al: 0.010-0.10%, and V: 0.15-0.50%, and further Ni: 2.50% or less, Mo: 1.00% or less, where (C + V) accounts for, in mass%, 0.60% or greater, and the balance is Fe and unavoidable impurities. The steel has a martensitic microstructure in which Fe-based ε-carbides are finely dispersed, and the former austenite grain size is 20 μm or less.
Provided is an Ni-Cr based alloy brazing material containing, as % by mass, more than 15% and less than 30% Cr, more than 3% and less than 12% P, less than 8% (including 0%) Si, more than 0.01% and less than 0.06% C, less than 0.1% (including 0%) Ti+Zr, more than 0.01% and less than 0.1% V, less than 0.01% (including 0%) Al, more than 0.005% and less than 0.025% O, more than 0.001% and less than 0.050% N, and less than 0.1% (including 0%) Nb, the remaining portion comprising Ni and unavoidable impurities, wherein, if no Nb is added, formula (1): 0.2≤0.24 V%/C%≤1.0 is satisfied, and if Nb is added, formula (2): 0.2≤(0.24 V%+0.13 Nb%)/C%≤1.0 is satisfied. Employing the present invention makes it possible to obtain an Ni-Cr based alloy brazing material which has a trace amount of added V, for use in the manufacture of stainless steel heat exchangers and the like, and which has a low melting temperature, is inexpensive, and has excellent corrosion resistance and strength.
The purpose of the present invention is to provide an alloy having properties required of high strength and low thermal expansion alloys, wherein a wide range of conditions can be used for heat treatment when manufacturing the alloy to obtain a desired hardness. In order to achieve the purpose, there is provided a high strength and low thermal expansion alloy having a predetermined alloy composition and having grains in which a (Mo,V)C-based composite carbide is present, wherein the value of ([Mo]+2.8[V])/[C] is 9.6-21.7 and the value of {Mo}/{V} is 2.0-4.0, [Mo], [V], and [C] being, respectively, the amounts of Mo, V, and C contained in the alloy, {Mo} and {V} being, respectively, the amounts of Mo and V contained in the (Mo,V)C-based composite carbide.
The purpose of the present invention is to provide an alloy wire having properties required of high strength and low thermal expansion alloy wires, wherein a wide range of conditions can be used for heat treatment when manufacturing the alloy wire to obtain a desired hardness. In order to achieve the purpose, there is provided a high strength and low thermal expansion alloy wire having a predetermined alloy composition and having grains in which a (Mo,V)C-based composite carbide is present, wherein the value of ([Mo]+2.8[V])/[C] is 9.6-21.7 and the value of {Mo}/{V} is 2.0-4.0, [Mo], [V], and [C] being, respectively, the amounts of Mo, V, and C contained in the alloy wire, {Mo} and {V} being, respectively, the amounts of Mo and V contained in the (Mo,V)C-based composite carbide.
Provided is a negative electrode material for a power storage device in which: the material is an Si-based alloy; the Si-based alloy has (1) an Si primary phase in which 0.01-20 at.% of Ge relative to the Si-based alloy is in solid solution, and (2) a compound phase containing a silicide; the silicide contains Cr and also contains one or more elements selected from the group consisting of Ti, Ni, and Co; the Si crystallite size of the Si primary phase (1) is 20 nm or less; and the crystallite size of the compound phase (2) is 30 nm or less. The present invention yields a negative electrode for a power storage device in which the storage capacity is high and the reduction of storage capacity due to repeated charging and discharging is minimized.
Provided is a negative electrode material for a storage device, the material comprising: a matrix formed of a metal glass containing Fe and/or Ni; and an Si primary phase dispersed in the matrix. The Si crystallite size in the Si primary phase is 20 nm or smaller. According to the present invention, obtained is a negative electrode for a storage device, which has a large storage capacity, and for which a reduction in storage capacity due to repeated charging and discharging is suppressed.
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
C22C 30/00 - Alliages contenant moins de 50% en poids de chaque constituant
C22C 45/02 - Alliages amorphes avec le fer comme constituant majeur
C22C 45/04 - Alliages amorphes avec le nickel ou le cobalt comme constituant majeur
H01G 11/30 - Électrodes caractérisées par leur matériau
88.
SOFT MAGNETIC FLAT POWDER HAVING HIGH MAGNETIC PERMEABILITY AND HIGH WEATHER RESISTANCE, AND SOFT MAGNETIC RESIN COMPOSITION CONTAINING SOFT MAGNETIC FLAT POWDER
The purpose of the present invention is to provide: a soft magnetic flat powder having high magnetic permeability and high weather resistance; a soft magnetic resin composition containing the soft magnetic flat powder; and a magnetic sheet. In order to achieve the purpose, provided is a soft magnetic flat powder which is an aggregate of a plurality of soft magnetic flat particles, wherein each of the plurality of soft magnetic flat particles comprises an Fe-Si-Al-based flat particle and a coating layer formed on the surface of the Fe-Si-Al-based flat particle, and the total C amount (mass%) contained in the coating layer of the plurality of soft magnetic flat particles/the BET specific surface area (m2/g) of the soft magnetic flat powder is 0.01-1.00 (mass%·g/m2).
H01F 1/147 - Alliages caractérisés par leur composition
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/26 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
C22C 19/07 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de cobalt
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01J 37/34 - Tubes à décharge en atmosphère gazeuse fonctionnant par pulvérisation cathodique
H01F 41/18 - 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 appliquer des pellicules magnétiques sur des substrats par pulvérisation cathodique
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 38/10 - Alliages ferreux, p. ex. aciers alliés contenant du cobalt
93.
MAGNETIC FLAT POWDER AND MAGNETIC SHEET CONTAINING SAME
The purpose of the present invention is to provide: a magnetic flat powder which has a high real-part magnetic permeability (μ') and a high saturated magnetic-flux density and which also has a high FR; and a magnetic sheet containing same. In order to achieve the foregoing, the present invention provides a magnetic flat powder which contains a plurality of magnetic flat particles, wherein: each of the plurality of magnetic flat particles contains, in terms of mass%, 0.1-3.0% of C, not less than 1.0% but less than 10% of Cr, 0-1.5% of Si, 0-1.5% of Mn, 0-1.5% of Ni and 0-10% of Co, with the remainder comprising Fe and unavoidable impurities; the saturated magnetic flux density of the magnetic flat powder is more than 1.2 T; and the average particle diameter D50 of the magnetic flat powder is 10-65 μm.
H01F 1/147 - Alliages caractérisés par leur composition
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/28 - 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 particules, p. ex. de poudre dispersées ou suspendues dans un liant
The purpose of the present invention is to provide a soft magnetic flat powder with which it is possible to prevent oxidation during the flattening of metal powder and achieve a low coercive force. In order to achieve the purpose, there is provided a soft magnetic flat powder comprising a plurality of soft flat particles, wherein each of the plurality of soft magnetic flat particles is a metal particle containing, in mass%, 78-83% of Fe, more than 0% and at most 13% of Si, more than 5.0% and at most 13% of Al, and 1.0-5.0% total of at least one among Cr, Ni, Mo, Cu, and Ti, with the remainder comprising Fe and inevitable impurities.
Provided is hot work tool steel of excellent thermal conductivity that contains, in mass%, C: 0.20-0.50%, Si: 0.50% or less, Mn: 0.92% or less, Cr: 4.00% or less, Ni: 2.00% or less, 2Mo+W: less than 1.80% (Mo: less than 0.90% and W: less than 1.80%), V: greater than 0.10-0.61%, N: 0.040% or less, and Al: 0.080% or less, the balance being Fe and unavoidable impurities. TC, which is represented by the equation: TC=68.0-6.5Mn-5.7Cr-3.1V-4.4Mo-2.2W-24.7C-21.2N-6.5Ni-1.7Si+3.2A (the respective element symbols in the equation represent mass% and A in the equation represents the total area ratio (%) of all carbides in the tempered state), satisfies the relationship TC≥32.5. Said hot work tool steel provides hot work tool steel that is provided with a combination of high hardness, high toughness and high thermal conductivity and that can be used for die casting and hot stamping.
The purpose of the present invention is to provide: a soft magnetic flat powder having high electrical resistance and corrosion resistance; and a magnetic sheet comprising the soft magnetic flat powder. In order to fulfill the purpose, the present invention provides a soft magnetic flat powder comprising a plurality of soft magnetic flat particles, wherein each of the plurality of soft magnetic flat particles is provided with an Fe-based alloy flat particle and a coating layer formed on the surface of the Fe-based alloy flat particle, the coating layer contains one or two or more components selected from the group consisting of chromic acid, a hydrate thereof, a metal salt of an inorganic acid, and a hydrate of the metal salt, the inorganic acid is selected from the group consisting of sulfuric acid, nitric acid, chromic acid, phosphoric acid, hydrofluoric acid, and acetic acid, the metal salt is selected from the group consisting of Na salt, Al salt, Ti salt, Cr salt, Ni salt, Ga salt, and Zr salt, and the coating layer has a thickness of at least 10 nm.
H01F 1/24 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 1/02 - Traitement particulier des poudres métalliques, p.ex. en vue de faciliter leur mise en œuvre, d'améliorer leurs propriétés; Poudres métalliques en soi, p.ex. mélanges de particules de compositions différentes comportant un enrobage des particules
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
97.
MAGNETIC POWDER FOR HIGH-FREQUENCY APPLICATIONS AND MAGNETIC RESIN COMPOSITION CONTAINING SAME
Provided is a magnetic powder for high-frequency applications, which contains, in mass%, 0.2-5.0% of C and 0.1-30% in total of one or more elements selected from among group 4-6 elements, Mn and Ni, with the balance made up of Fe and/or Co (including 0% of Co) and unavoidable impurities, while having a saturation magnetization of more than 1.0 T and satisfying formula (1) Co%/(Co% + Fe%) ≤ 0.50. This magnetic powder provides: a non-conventional metal magnetic powder which has both a saturation magnetization of more than 1.0 T and a high FR of 200 MHz or more; and a magnetic resin composition which uses this metal magnetic powder.
H01F 1/147 - Alliages caractérisés par leur composition
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 3/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
H01F 1/26 - 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 particules, p. ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
98.
FLAT POWDER FOR HIGH FREQUENCY APPLICATIONS AND MAGNETIC SHEET
Provided is a flat powder for high frequency applications. The flat powder contains 1.5-3.0% of C, 10-20% of Cr, and 0.03-0.30% of N in mass%, with the remainder comprising Fe and inevitable impurities, has an average particle diameter of 200 μm or less, an average thickness of 5 μm or less, an average aspect ratio of 5 or more, and a saturation magnetization of greater than 1.0 T, wherein the frequency (FR) at which tanδ is 0.1 is at least 200 MHz. Using this flat powder, a magnetic flat metal powder, having both a saturation magnetization greater than 1.0 T and a high FR of at least 200 MHz, which does not exist in the prior art, and a magnetic sheet using the magnetic flat metal powder are provided.
The present invention addresses the problem of providing: an Ni-Ta system alloy which is free from composition unevenness and has improved mechanical strength, and wherein Ta compound phases are finely dispersed by adding a predetermined amount of Fe and/or Co into the Ni-Ta system alloy; a sputtering target material which contains this Ni-Ta system alloy; and a magnetic recording medium. In order to solve the problem, the present invention provides an Ni-Ta system alloy which contains 15-50 at% of Ta and 0-10 at% in total of one or more elements selected from among Al, Ga, In, Si, Ge, Sn, Zr, Ti, Hf, B, Cu, P, C, Ru and Cr, with the balance made up of Ni, unavoidable impurities and Fe and/or Co. This Ni-Ta system alloy is configured such that: the proportions of the Ni content, the Fe content and the Co content relative to the total content of Ni, Fe and Co are 20-98.5%, 0-50% and 0-60%, respectively; the Ni-Ta system alloy has an FCC phase and a Ta compound phase; and the diameter of the maximum inscribed circle that is able to be drawn inside the Ta compound phase is 10 μm or less.
Provided is a flaky soft magnetic powder including an Fe—Si—Al alloy having an oxygen content of 0.6 mass % or less, a manganese content of 0.1 mass % to 1.0 mass %, and the balance incidental impurities. The flaky soft magnetic powder has an average particle size of 43 to 60 μm and exhibits a coercive force Hc of 106 A/m or less as measured under application of a magnetic field in an in-plane direction of the flaky soft magnetic powder. The ratio of the tap density to the true density of the flaky soft magnetic powder is 0.17 or less. Also provided is a method of producing the flaky soft magnetic powder. The use of the flaky soft magnetic powder can produce a magnetic sheet having particularly high magnetic permeability.
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
B22F 9/10 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation en employant la force centrifuge
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
B22F 9/04 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau solide, p. ex. par broyage, meulage ou écrasement à la meule
H01F 1/20 - 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 particules, p. ex. de poudre
H01F 1/147 - Alliages caractérisés par leur composition
B22F 3/18 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet en utilisant des rouleaux presseurs
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
