The present disclosure relates generally to hardface coating systems and methods for metal alloys and other materials for wear and corrosion resistant applications. More specifically, the present disclosure relates to hardface coatings that include a network of titanium monoboride (TiB) needles or whiskers in a matrix, which are formed from titanium (Ti) and titanium diboride (T1B2) precursors by reactions enabled by the inherent energy provided by the process heat associated with coating deposition and, optionally, coating post-heat treatment. These hardface coatings are pyrophoric, thereby generating further reaction energy internally, and may be applied in a functionally graded manner. The hardface coatings may be deposited in the presence of a number of fluxing agents, beta stabilizers, densification aids, diffusional aids, and multimode particle size distributions to further enhance their performance characteristics.
C23C 16/00 - Revêtement chimique par décomposition de composés gazeux, ne laissant pas de produits de réaction du matériau de la surface dans le revêtement, c.-à-d. procédés de dépôt chimique en phase vapeur [CVD]
2.
CONTROL OF MICROSTRUCTURE IN SOLDERED, BRAZED, WELDED, PLATED, CAST OR VAPOR DEPOSITED MANUFACTURED COMPONENTS BY APPLYING A MAGNETIC FIELD DURING SOLDIFICATION
Disclosed are methods and systems for controlling of the microstructures of a soldered, brazed, welded, plated, cast, or vapor deposited manufactured component. The systems typically use relatively weak magnetic fields of either constant or varying flux to affect material properties within a manufactured component, typically without modifying the alloy, or changing the chemical composition of materials or altering the time, temperature, or transformation parameters of a manufacturing process. Such systems and processes may be used with components consisting of only materials that are conventionally characterized as be uninfluenced by magnetic forces.
C22F 3/00 - Modification de la structure physique des métaux ou alliages non ferreux par des méthodes physiques particulières, p. ex. traitement par les neutrons
C22F 3/02 - Modification de la structure physique des métaux ou alliages non ferreux par des méthodes physiques particulières, p. ex. traitement par les neutrons par solidification d'une masse fondue commandée par des ultrasons ou des champs électriques ou magnétiques
H01F 13/00 - Appareils ou procédés pour l'aimantation ou pour la désaimantation
A furnace heats through both infrared radiation and convective air utilizing an infrared/purge gas design that enables improved temperature control to enable more uniform treatment of workpieces. The furnace utilizes lamps, the electrical end connections of which are located in an enclosure outside the furnace chamber, with the lamps extending into the furnace chamber through openings in the wall of the chamber. The enclosure is purged with gas, which gas flows from the enclosure into the furnace chamber via the openings in the wall of the chamber so that the gas flows above and around the lamps and is heated to form a convective mechanism in heating parts.
F27B 9/02 - Fours dans lesquels la charge est déplacée mécaniquement, p. ex. du type tunnel Fours similaires dans lesquels la charge se déplace par gravité à trajets multiplesFours dans lesquels la charge est déplacée mécaniquement, p. ex. du type tunnel Fours similaires dans lesquels la charge se déplace par gravité à plusieurs chambresCombinaisons de fours
F27B 9/04 - Fours dans lesquels la charge est déplacée mécaniquement, p. ex. du type tunnel Fours similaires dans lesquels la charge se déplace par gravité adaptés pour le traitement de la charge sous vide ou sous atmosphère contrôlée
F27B 9/06 - Fours dans lesquels la charge est déplacée mécaniquement, p. ex. du type tunnel Fours similaires dans lesquels la charge se déplace par gravité chauffés sans contact entre gaz de combustion et la chargeFours dans lesquels la charge est déplacée mécaniquement, p. ex. du type tunnel Fours similaires dans lesquels la charge se déplace par gravité chauffés électriquement
F27D 7/06 - Production ou maintien d'une atmosphère particulière ou du vide dans les chambres de chauffage
F27D 11/12 - Aménagement des éléments pour le chauffage électrique dans ou sur les fours avec champs électromagnétiques agissant directement sur le matériau à chauffer
F27D 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
4.
METHOD AND APPARATUS FOR CHARACTERIZING AND ENHANCING THE DYNAMIC PERFORMANCE OF MACHINE TOOLS
Disclosed are various systems and methods for assessing and improving the capability of a machine tool. The disclosure applies to machine tools having at least one slide configured to move along a motion axis. Various patterns of dynamic excitation commands are employed to drive the one or more slides, typically involving repetitive short distance displacements. A quantification of a measurable merit of machine tool response to the one or more patterns of dynamic excitation commands is typically derived for the machine tool. Examples of measurable merits of machine tool performance include dynamic one axis positional accuracy of the machine tool, dynamic cross-axis stability of the machine tool, and dynamic multi-axis positional accuracy of the machine tool.
G05B 19/401 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la mesure, p. ex. étalonnage et initialisation, mesure de la pièce à usiner à des fins d'usinage
5.
METHOD AND APPARATUS FOR CHARACTERIZING AND ENHANCING THE FUNCTIONAL PERFORMANCE OF MACHINE TOOLS
THE UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE (USA)
Inventeur(s)
Barkman, William E.
Babelay, Edwin F.
Smith, Kevin Scott
Assaid, Thomas S.
Mcfarland, Justin T.
Tursky, David A.
Adams, David J.
Woody, Bethany A.
Abrégé
Disclosed are various systems and methods for assessing and improving the capability of a machine tool (10). The disclosure applies to machine tools having at least one slide (14, 22) configured to move along a motion axis (18, 26). Various patterns of dynamic excitation commands are employed to drive the one or more slides, typically involving repetitive short distance displacements. A quantification of a measurable merit of machine tool response to the one or more patterns of dynamic excitation commands is typically derived for the machine tool. Examples of measurable merits of machine tool performance include workpiece surface finish, and the ability to generate chips of the desired length.
G05B 19/18 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique
B23B 1/00 - Méthodes de tournage ou méthodes de travail impliquant l'utilisation de toursUtilisation d'équipements auxiliaires en relation avec ces méthodes
An apparatus (10) for simulating special nuclear material is provided. The apparatus (10) typically contains a small quantity of special nuclear material (SNM) in a configuration that simulates a much larger quantity of SNM. Generally the apparatus includes a spherical shell (14) that is formed from an alloy containing a small quantity of highly enriched uranium. Also typically provided is a core (22) of depleted uranium. A spacer (18), typically aluminum, may be used to separate the depleted uranium (22) from the shell (14) of uranium alloy. A cladding (26), typically made of titanium, is provided to seal the source. Methods are provided to simulate SNM for testing radiation monitoring portals. Typically the methods use at least one primary SNM spectral line and exclude at least one secondary SNM spectral line.
Systems for heat treating materials are presented. The systems typically involve a fluidized bed that contains granulated heat treating material. In some embodiments a fluid, such as an inert gas, is flowed through the granulated heat treating medium, which homogenizes the temperature of the heat treating medium. In some embodiments the fluid may be heated in a heating vessel and flowed into the process chamber where the fluid is then flowed through the granulated heat treating medium. In some embodiments the heat treating material may be liquid or granulated heat treating material and the heat treating material may be circulated through a heating vessel into a process chamber where the heat treating material contacts the material to be heat treated. Microwave energy may be used to provide the source of heat for heat treating systems.
A fluffy nano-material and method of manufacture are described. At 2000X magnification the fluffy nanomaterial has the appearance of raw, uncarded wool, with individual fiber lengths ranging from approximately four microns to twenty microns. Powder-based nanocatalysts are dispersed in the fluffy nanomaterial. The production of fluffy nanomaterial typically involves flowing about 125 cc/min of organic vapor at a pressure of about 400 torr over powder-based nano-catalysts for a period of time that may range from approximately thirty minutes to twenty-four hours.
B82B 1/00 - Nanostructures formées par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
9.
ANCHORED NANOSTRUCTURE MATERIALS AND METHOD OF FABRICATION
Anchored nanostructure materials and methods for their fabrication are described. The anchored nanostructure materials may utilize nano-catalysts that include powder-based or solid-based support materials. The support material may comprise metal, such as NiAl, ceramic, a cermet, or silicon or other metalloid. Typically, nanoparticles are disposed adjacent a surface of the support material. Nanostructures may be formed as anchored to nanoparticles that are adjacent the surface of the support material by heating the nano- catalysts and then exposing the nano-catalysts to an organic vapor. The nanostructures are typically single wall or multi-wall carbon nanotubes.
B82B 1/00 - Nanostructures formées par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
10.
CATALYTIC MATERIALS FOR FABRICATING NANOSTRUCTURES
Nano-catalysts that have utility for forming nanostructures and manufacturing nanomaterials are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. Methods of forming the nano-catalysts are disclosed. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (-COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.
B01J 23/00 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe
B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
B82B 1/00 - Nanostructures formées par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
11.
COMPOSITE MATERIALS FORMED WITH ANCHORED NANOSTRUCTURES
A method of forming nano-structure composite materials that have a binder material and a nanostructure fiber material is described. A precursor material may be formed using a mixture of at least one metal powder and anchored nanostructure materials. The metal powder mixture may be (a) Ni powder and (b) NiAl powder. The anchored nanostructure materials may comprise (i) NiAl powder as a support material and (ii) carbon nanotubes attached to nanoparticles adjacent to a surface of the support material. The process of forming nano-structure composite materials typically involves sintering the mixture under vacuum in a die. When Ni and NiAl are used in the metal powder mixture M3AI may form as the binder material after sintering. The mixture is sintered until it consolidates to form the nano-structure composite material.
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
B82B 1/00 - Nanostructures formées par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
12.
ANCHORED NANOSTRUCTURE MATERIALS AND BALL MILLING METHOD OF FABRICATION
Anchored nanostructure materials and methods for their fabrication are described. The anchored nanostructure materials may utilize nano-catalysts that are formed by mechanical ball milling of a metal powder. Nanostructures may be formed as anchored to the nano-catalyst by heating the nanocatalysts and then exposing the nano-catalysts to an organic vapor. The nanostructures are typically single wall or multi-wall carbon nanotubes.
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
B22F 9/06 - 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
13.
METHOD OF PRODUCING CATALYTIC MATERIALS FOR FABRICATING NANOSTRUCTURES
Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (-COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.
B82B 3/00 - Fabrication ou traitement des nanostructures par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
14.
NON-DESTRUCTIVE COMPONENT SEPARATION USING INFRARED RADIANT ENERGY
A method for separating a first component ( 10 ) and a second(12) component from one another at an adhesive bond interface (11) between the first component and second component. Typically the method involves irradiating the first component with infrared radiation (16) from a source that radiates substantially only short wavelengths until the adhesive bond is destabilized, and then separating the first component and the second component from one another. In some embodiments an assembly of components to be debonded is placed inside an enclosure (40) and the assembly is illuminated from an IR source (50) that is external to the enclosure. In some embodiments an assembly of components to be debonded is simultaneously irradiated by a multi-planar array of IR sources. Often the IR radiation is unidirectional. In some embodiments the IR radiation is narrow-band short wavelength infrared radiation.
An access control apparatus for an access gate. The access gate typically has a rotator that is configured to rotate around a rotator axis at a first variable speed in a forward direction. The access control apparatus may include a transmission that typically has an input element that is operatively connected to the rotator. The input element is generally configured to rotate at an input speed that is proportional to the first variable speed. The transmission typically also has an output element that has an output speed that is higher than the input speed. The input element and the output element may rotate around a common transmission axis. A retardation mechanism may be employed. The retardation mechanism is typically configured to rotate around a retardation mechanism axis. Generally the retardation mechanism is operatively connected to the output element of the transmission and is configured to retard motion of the access gate in the forward direction when the first variable speed is above a control-limit speed. In many embodiments the transmission axis and the retardation mechanism axis are substantially co-axial. Some embodiments include a freewheel/catch mechanism that has an input connection that is operatively connected to the rotator. The input connection may be configured to engage an output connection when the rotator is rotated at the first variable speed in a forward direction and configured for substantially unrestricted rotation when the rotator is rotated in a reverse direction opposite the forward direction. The input element of the transmission is typically operatively connected to the output connection of the freewheel/catch mechanism.
E05F 15/20 - commandés par des moyens d'action automatique, p.ex. par des cellules photo-électriques, par des ondes électriques, par des thermostats, par la pluie, par le feu
16.
CLEANING MEDIUM FOR REMOVING CONTAMINATION AND METHOD OF MAKING
A cleaning medium that includes polyisobutylene (also sometimes referred to as polybutylene or as polybutene). Cleaning media include cleaning implements, polishers, and filters. Typically a substantial portion of the polyisobutylene has a molecular weight (MW) greater than 30,000 and in some particular applications the molecular weight is around 85,000. The polyisobutylene is generally adjacent to the surface of a substrate, such as a non-woven or woven fabric. A method of making a cleaning medium is provided. The method typically involves dissolving polyisobutylene in a solvent such as hexane to form a tackifier solution, soaking the substrate in the tackifier to produce a preform, and then drying the preform to produce the cleaning medium. The cleaning media are typically used dry, without any liquid cleaning agent. In embodiments where the cleaning medium is as cleaning implement or a polisher, the surface to be cleaned is wiped with a surface of the cleaning medium adjacent to which the polyisobutylene is disposed. Vigorous wiping may be used in applications where contamination is difficult to remove. In embodiments where the cleaning medium is a filter, a fluid is passed through the cleaning medium and the cleaning medium traps particles and aerosols entrained in the fluid.
An apparatus and process for protecting metal from oxidation during metal forming operations. A salt is deposited onto at least a portion of a surface of the metal. The salt is heated in a protective environment until the salt melts on the metal to form a coated metal. The protective environment may then be removed and the coated metal may be exposed to an active environment. The coated metal may then be formed using standard metal forming processes. In alternative embodiments salts are selected for particular melting and vaporizing temperatures. An automated apparatus for coating a metal object with a salt may be provided. An applicator is configured to deposit the salt onto a surface of the metal object to form a salted metal object. A furnace is configured to receive the salted metal object and to melt at least a portion of the salt on the surface of the salted metal object. A conveyor system is configured to transport the metal object into and out of the applicator and configured to transport the salted metal object into and out of the furnace.
C23C 10/24 - Bain de sels contenant l'élément à diffuser
C23C 10/30 - Diffusion à l'état solide uniquement d'éléments métalliques ou de silicium dans la couche superficielle de matériaux métalliques au moyen de solides, p. ex. au moyen de poudres, de pâtes au moyen d'une couche de poudre ou de pâte déposée sur la surface
C23C 26/02 - Revêtements non prévus par les groupes par application au substrat de matériaux fondus
C23C 24/10 - Revêtement à partir de poudres inorganiques en utilisant la chaleur ou une pression et la chaleur avec formation d'une phase liquide intermédiaire dans la couche
18.
SOLVENT FOR URETHANE ADHESIVES AND COATINGS AND METHOD OF USE
A solvent for urethane adhesives and coatings, the solvent having a carbaldehyde and a cyclic amide as constituents. In some embodiments the solvent consists only of miscible constituents. In some embodiments the carbaldehyde is benzaldehyde and in some embodiments the cyclic amide is N-methylpyrrolidone (M-pyrole). An extender may be added to the solvent. In some embodiments the extender is miscible with the other ingredients, and in some embodiments the extender is non-aqueous. For example, the extender may include isopropanol, ethanol, tetrahydro furfuryl alcohol, benzyl alcohol, Gamma-butyrolactone or a caprolactone. In some embodiments a carbaldehyde and a cyclic amide are heated and used to separate a urethane bonded to a component.
A support platform having a stowed configuration and a deployed configuration on a floor (12). The support platform is related to stretcher devices that are used for transporting, confining, or conducting medical procedures on medical patients in medical emergencies. The support platform typically includes a work surface (14) that has a geometric extent (20, 26). A base (130) that typically includes a plurality of frame members (32, 34, 36) is provided, and the frame members are disposed across the geometric extent (20, 26) of, and proximal to, the work surface (14) in the stowed configuration. The frame members (32, 34, 36) are typically disposed on the floor (12) in the deployed configuration. There is a foldable bracing system (50) engaged with the work surface (14) and engaged with the base (30). At least a portion of the foldable bracing system (50) is disposed substantially inside at least a portion of the plurality of frame members (32, 34, 36) in the stowed configuration. Further, the foldable bracing system (50) is configured for translocation of the work surface (14) distal from the base (30) in the deployed configuration.
A61G 1/04 - Parties constitutives, détails ou accessoires, p. ex. appuis-tête, repose-pied, éléments d'appui ou analogues, spécialement adaptés aux brancards
A thermocouple shield for use in radio frequency fields. In some embodiments the shield includes an electrically conductive tube that houses a standard thermocouple having a thermocouple junction. The electrically conductive tube protects the thermocouple from damage by an RF (including microwave) field and mitigates erroneous temperature readings due to the microwave or RF field. The thermocouple may be surrounded by a ceramic sheath to further protect the thermocouple. The ceramic sheath is generally formed from a material that is transparent to the wavelength of the microwave or RF energy. The microwave transparency property precludes heating of the ceramic sheath due to microwave coupling, which could affect the accuracy of temperature measurements. The ceramic sheath material is typically an electrically insulating material. The electrically insulative properties of the ceramic sheath help avert electrical arcing, which could damage the thermocouple junction. The electrically conductive tube is generally disposed around the thermocouple junction and disposed around at least a portion of the ceramic sheath. The concepts of the thermocouple shield may be incorporated into an integrated shielded thermocouple assembly.
A cleaning wipe (20) that includes polyisobutylene (22) (also sometimes referred to as polybutylene or as polybutene). Typically a substantial portion of the polyisobutylene has a molecular weight (MW) greater than 30,000 and in some particular applications the molecular weight is around 85,000. The polyisobutylene is generally disposed at the surface of a porous substrate (10), such as a non- woven or woven fabric. A method of making a cleaning wipe is provided. The method typically involves dissolving polyisobutylene in a solvent such as hexane to form a tackifier solution, soaking the substrate in the tackifier to produce a preform, and then drying the preform to produce the cleaning wipe. The cleaning wipes are typically used dry, without any liquid cleaning agent. The surface to be cleaned is wiped with a surface of the cleaning wipe at which polyisobutylene is disposed. Vigorous wiping may be used in applications where contamination is difficult to remove.
B32B 13/12 - Produits stratifiés composés essentiellement d'une substance à prise hydraulique, p. ex. du béton, du plâtre, du ciment, ou d'autres matériaux entrant dans la construction comprenant une telle substance comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
Structures and methods for the fabrication of ceramic nanostructures. Structures include metal particles, preferably comprising copper, disposed on a ceramic substrate. The structures are heated, preferably in the presence of microwaves, to a temperature that softens the metal particles and preferably forms a pool of molten ceramic under the softened metal particle. A nano-generator is created wherein ceramic material diffuses through the molten particle and forms ceramic nanostructures on a polar site of the metal particle. The nanostructures may comprise silica, alumina, titania, or compounds or mixtures thereof.
A system and method for high volume production of nanoparticles, nanotubes, and items incorporating nanoparticles and nanotubes. Microwave, radio frequency, or infrared energy vaporizes a metal catalyst which, as it condenses, is contacted by carbon or other elements such as silicon, germanium, or boron to form agglomerates. The agglomerates may be annealed to accelerate the production of nanotubes. Magnetic or electric fields may be used to align the nanotubes during their production. The nanotubes may be separated from the production byproducts in aligned or non-aligned configurations. The agglomerates may be formed directly into tools, optionally in compositions that incorporate other materials such as abrasives, binders, carbon-carbon composites, and cermets.
brevets