Superhard constructions & methods of making same

Composite material for fusion reactor first-wall and method of making the same

A composite material for forming a first wall of a fusion reactor comprises first 20 and second 30 materials that each have a continuous, interpenetrating, three-dimensional structure. The first material is a metal (e.g. a refractory metal, W, Ta, Mo or Ti, steel, an oxide dispersed steel, Fe-Cr-Al, Ti6Al4V) and the second material is a ceramic (e.g. a carbide, an oxide, a nitride or diamond). The composite is made by forming the first three-dimensional structure from a metal by injection moulding, 3D printing, robocasting or filling a sacrificial template with metal powder, pressing or sintering and then removing the template. The second material can be formed simultaneously with 3D printing the first material or interpenetrating the first structure with a powder or slurry which is then sintered.

SURFACE COATING FOR METAL MATRIX COMPOSITES

A method of fabricating a metal matrix composite (MMC) tool includes coating at least a portion of an interior of a mold assembly with one or more layers of a material coating, where the mold assembly defines at least a portion of an infiltration chamber. Reinforcing materials are deposited into the infiltration chamber, and infiltrated with a binder material. One or more layers of the material coating may then be reacted with the binder material to form an outer shell on selected outer surfaces of the MMC tool.

HEAT SINK AND METHOD FOR MANUFACTURING SAME

Mehrteiliger Verteiler und Verfahren zur Herstellung des Verteilers

Es wird ein Verteiler bereitgestellt. Der Verteiler umfasst: einen ersten Körper mit einer Außenoberfläche; einen zweiten Körper mit einer Innenoberfläche, die der Außenoberfläche des ersten Körpers entspricht, wobei der erste Körper an den zweiten Körper mikrogeschweißt ist, und eine Nut, die in einer oder beiden der Außen- und Innenoberflächen gebildet ist, wobei der erste Körper derart bemessen ist, dass er in den zweiten Körper passt, so dass die Außenoberfläche die Innenoberfläche kontaktiert und die Nut einen Fluiddurchlass bildet, der sich zwischen den ersten und zweiten Körpern befindet, wobei der Fluiddurchlass einen Einlass und einen Auslass aufweist. In manchen Ausführungsformen wird zudem ein Verfahren zum Bilden eines Verteilers bereitgestellt. Das Verfahren umfasst: Befüllen eines Formwerkzeugs mit Metallpulver, welches Metallkörner enthält, Verdichten des Metallpulvers in dem Formwerkzeug, wodurch ein erster Körper gebildet wird, Entnehmen des verdichteten Teils aus dem Formwerkzeug ...

Directional solidification of polycrystalline diamond compact (PDC) drill bits

A method of manufacturing a rotary drill bit includes forming a mold having an inner surface and an outer surface, locating a metal mandrel within the mold, packing the mold around at least part of the mandrel with particulate matrix-forming material and installing an insulating material around at least an upper portion of the outer surface. The material is infiltrated in a furnace with a molten binding alloy and the mold including the insulating material is removed from the furnace, directionally solidifying the material and binding alloy in portion of said bit, wherein said directional solidification proceeds from the lower portion of the outer surface in an upward and outward direction to form a solid infiltrated matrix bonded to the mandrel by cooling of the mold with the insulating material disposed around at least the upper portion of the outer surface of the mold.

Mesoscale reinforcement of metal matrix composites

A metal matrix composite (MMC) tool includes a mesoscale-reinforced hard composite portion that comprises reinforcing particles and mesoscale reinforcing structures dispersed in a binder material. The mesoscale reinforcing structures are printed using at least one additive manufacturing technique and are larger than an average powder-size distribution of the reinforcing particles.

Composite tooth with frustoconical insert

The present invention discloses a composite tooth for working the ground or rocks, said tooth having a ferrous alloy reinforced at least in part by an insert, said part reinforced by the insert making it possible, after in situ reaction, to obtain an alternating macro/microstructure of concentrated millimetric zones of micrometric globular particles of titanium carbides separated by millimetric zones substantially free of micrometric globular particles of titanium carbides, said concentrated zones of micrometric globular particles of titanium carbides forming a microstructure in which micrometric interstices between said globular particles are also occupied by said ferrous alloy, characterized in that said macro/microstructure generated by the insert is spaced by at least 2 mm, preferably at least 3 mm, from the distal surface of said tooth.

COMPOSITE TOOTH WITH FRUSTOCONICAL INSERT

La présente invention divulgue une dent composite pour le travail du sol ou des roches, ladite dent comportant un alliage ferreux renforcé au moins en partie par un insert, ladite partie renforcée par l'insert permettant, après réaction in situ, l'obtention d'une macro-microstructure alternée de zones millimétriques concentrées en particules globulaires micrométriques de carbures de titane séparées par des zones millimétriques substantiellement exemptes de particules globulaires micrométriques de carbures de titane, lesdites zones concentrées en particules globulaires micrométriques de carbures de titane formant une microstructure dans laquelle les interstices micrométriques entre lesdites particules globulaires sont également occupés par ledit alliage ferreux caractérisée en ce que ladite macro-microstructure engendrée par l'insert est distante d'au moins 2 mm, de préférence au moins 3 mm de la surface distale de ladite dent.

POLYCRYSTALLINE DIAMOND COMPACTS, AND RELATED METHODS AND APPLICATIONS

Embodiments relate to polycrystalline diamond compacts ("PDCs") including a polycrystalline diamond ("PCD") table in which a metal-solvent catalyst is alloyed with at least one alloying element to improve thermal stability and/or wear resistance of the PCD table. In an embodiment, a PDC includes a substrate and a PCD table bonded to the substrate. The PCD table includes diamond grains defining interstitial regions. The PCD table includes an alloy comprising at least one Group VIII metal and at least one metallic alloying element such as phosphorous.

3D PRINTER

A method for forming an object having a three-dimensional target shape, that makes use of a build powder, a support powder and a binder. The build powder is more strongly bound by the binder than is the support powder. The build powder and the support powder are dispensed in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, and the binder is applied to the deposited build powder, thereby forming the object of build powder and binder. Finally, the formed object is separated from the support powder.

METHOD AND DEVICE FOR PRODUCING AN ASSEMBLY WITH HEATING OF THE FIRST COMPONENT AND OF THE SECOND MATERIAL TO A REACTION TEMPERATURE; CORRESPONDING ROTOR FOR A TURBINE

The invention relates to a method for producing an assembly (100), wherein the method has a provision step and a heating step. In the provision step, a first component (102) made of a first material is provided, wherein a second material (104) is disposed in a receptacle of the first component (102) . In the heating step, the first component (102) and the second material (104) are heated at least to a reaction temperature of the second material (104) and/or of the first material in order to connect the second material (104) and the first component (102).

Braze preform for powder metal sintering

A planetary carrier subassembly for a transmission is provided that is sintered using braze preforms. The carrier subassembly may include a powder metal carrier member having a plurality of carrier legs extending a distance therefrom, and a powder metal cover member having a plurality of cover legs extending a distance therefrom. The carrier member and cover member are positioned such that respective ends of the carrier legs and ends of the cover legs are aligned with one another. The subassembly is provided with at least one braze preform including a braze material and a sacrificial binder, such as a wax. The braze preform is placed between a respective pair of the aligned carrier legs and the cover legs. The braze preform is provided with a geometry configured to direct a flow of braze material during a subsequent sintering process.

COMPOSITE WEAR PART

Segregated multi-material metal-matrix composite tools

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool, and at least one boundary form positioned within the infiltration chamber and segregating the infiltration chamber into at least a first zone and a second zone. Reinforcement materials are deposited within the infiltration chamber and include a first composition loaded into the first zone and a second composition loaded into the second zone. At least one binder material infiltrates the first and second compositions, wherein infiltration of the first and second compositions results in differing mechanical, chemical, physical, thermal, atomic, magnetic, or electrical properties between the first and second zones in the infiltrated MMC tool.

A multi-part, tapered, concentric manifold and method of making the manifold

A manifold 10 comprising a first body 12 having an outer tapered surface 14; a second body 30 having an inner tapered surface 32 corresponding to the outer tapered surface of the first body; and a groove 18, 20, 22, 24 formed in one or both of the outer and inner curved surfaces. Wherein the first body is dimensioned to fit within the second body so that the outer tapered surface contacts the inner tapered surface and the groove forms a fluid passage located in between the first and second bodies, the fluid passage having an inlet and an outlet. The outer and inner tapered surfaces may define a conic section. A method of assembling a manifold is provided.

SEGREGATED MULTI-MATERIAL METAL-MATRIX COMPOSITE TOOLS

A method for fabricating an infiltrated metal-matrix composite (MMC) tool includes positioning at least one boundary form within an infiltration chamber of a mold assembly and thereby segregating the infiltration chamber into at least a first zone and a second zone. Reinforcement materials are deposited into the infiltration chamber and include a first composition loaded into the first zone and a second composition loaded into the second zone. The first and second compositions are then infiltrated with at least one binder material to provide the infiltrated MMC tool with differing mechanical, chemical, physical, thermal, atomic, magnetic, or electrical properties between the first and second zones.

ADDITIVE FABRICATION WITH INFILTRATABLE STRUCTURES

An infiltratable material forms a net shape containing a porous network that can be infiltrated with a supplemental material, commonly referred to as an infiltrant, e.g., by heating the infiltrant so that it melts and wicks into the porous network of the net shape. By using additive fabrication technologies to spatially dispose an infiltrant about an infiltratable structure, a composite structure can be created that advantageously controls the amount of infiltrant applied to the infiltratable structure and the spatial distribution of the infiltrant about and/or within the infiltratable structure prior to infiltration.

3D Printer

An apparatus for dispensing build powder and support powder, in a sequence of layers, and having a frame and a container. Also, a build powder pourer is at least partially filled with build powder and a support powder pourer at least partially filled with support powder, each of the pourers having a dispensing opening and a dispensing plug, controllably covering the dispensing opening. Further, a pourer-movement and dispensing plug-actuating assembly is supported by the frame over the container and includes a movement element that is selectively attachable to the build powder pourer and alternately to the support powder pourer and also capable to controllably move an attached pourer in three orthogonal dimensions and to control the dispensing plug. In addition, at least one docking station for holding a first one of the pourers; and a computing assembly controls the pourer-movement and dispensing plug-actuating assembly to create a target shape.

METAL BODIES AND METHOD FOR PRODUCTION THEREOF

Mesoscale reinforcement of metal matrix composites

ALTERNATIVE MATERIALS FOR MANDREL IN INFILTRATED METAL-MATRIX COMPOSITE DRILL BITS

An infiltrated metal-matrix composite drill bit includes a bit body comprising a reinforced composite material including reinforcing particles infiltrated with a binder material. A plurality of cutting elements is coupled to an exterior of the bit body. A mandrel is positioned within the bit body and made of an M-based alloy selected from the group consisting of a titanium-based alloy, a nickel-based alloy, a copper-based alloy, a cobalt-based alloy, and a refractory metal-based alloy, wherein the element designated by "M" is the most prevalent element in the alloy composition. A shank is coupled to the mandrel.

CLADDED ARTICLES AND APPLICATIONS THEREOF

In one aspect, composite articles are described herein employing cobalt-based alloy claddings exhibiting high hardness and wear resistance while maintaining desirable integrity and adhesion to surfaces of metallic substrates. . A composite article, in some embodiments, comprises a metallic substrate and a composite cladding metallurgically bonded to one or more surfaces of the metallic substrate, the composite cladding including cobalt-based alloy having a chromium gradient, wherein chromium content increases in a direction from the composite cladding surface to an interface of the composite cladding with the metallic substrate.

Superhard constructions & method of making same

SEGREGATED MULTI-MATERIAL METAL-MATRIX COMPOSITE TOOLS

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool, and at least one boundary form positioned within the infiltration chamber and segregating the infiltration chamber into at least a first zone and a second zone. Reinforcement materials are deposited within the infiltration chamber and include a first composition loaded into the first zone and a second composition loaded into the second zone. At least one binder material infiltrates the first and second compositions, wherein infiltration of the first and second compositions results in differing mechanical, chemical, physical, thermal, atomic, magnetic, or electrical properties between the first and second zones in the infiltrated MMC tool.

DIRECTIONAL SOLIDIFICATION OF POLYCRYSTALLINE DIAMOND COMPACT (PDC) DRILL BITS

A method of manufacturing a rotary drill bit includes forming a mold having an inner surface and an outer surface, locating a metal mandrel within the mold, packing the mold around at least part of the mandrel with particulate matrix-forming material and installing an insulating material around at least an upper portion of the outer surface. The material is infiltrated in a furnace with a molten binding alloy and the mold including the insulating material is removed from the furnace, directionally solidifying the material and binding alloy in portion of said bit, wherein said directional solidification proceeds from the lower portion of the outer surface in an upward and outward direction to form a solid infiltrated matrix bonded to the mandrel by cooling of the mold with the insulating material disposed around at least the upper portion of the outer surface of the mold.

Surface coating for metal matrix composites

A method of fabricating a metal matrix composite (MMC) tool includes coating at least a portion of an interior of a mold assembly with one or more layers of a material coating, where the mold assembly defines at least a portion of an infiltration chamber. Reinforcing materials are deposited into the infiltration chamber, and infiltrated with a binder material. One or more layers of the material coating may then be reacted with the binder material to form an outer shell on selected outer surfaces of the MMC tool.

Segregated multi-material metal-matrix composite tools

A BIMETALLIC NANOPARTICLE-BASED CATALYST, ITS USE IN SELECTIVE HYDROGENATION, AND A METHOD OF MAKING THE CATALYST

Presented is a selective hydrogenation catalyst and a method of making the catalyst. The catalyst comprises a carrier containing bi-metallic nanoparticles. The nanoparticles comprise a silver component and a palladium component. The catalyst is made by incorporating an aqueous dispersion of the bi-metallic nanoparticles onto a catalyst carrier followed by drying and calcining the carrier having incorporated therein the dispersion. The catalyst is used in the selective hydrogenation of highly unsaturated hydrocarbons contained olefin product streams.

MESH REINFORCEMENT FOR METAL-MATRIX COMPOSITE TOOLS

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool. Reinforcement materials are deposited within the infiltration chamber, and a binder material is used to infiltrate the reinforcement materials. At least one preformed mesh is positioned within the infiltration chamber and embedded within the reinforcement materials. The at least one preformed mesh includes a porous body and provides skeletal reinforcement to the infiltrated MMC tool following infiltration.

A MULTI-PART, TAPERED, CONCENTRIC MANIFOLD AND METHOD OF MAKING THE MANIFOLD

A manifold includes: a first body having an outer tapered surface; a second body having an inner tapered surface corresponding to the outer tapered surface of the first body; and a groove formed in one or both of the outer and inner curved surfaces, wherein the first body is dimensioned to fit within the second body so that the outer tapered surface contacts the inner tapered surface and the groove forms a fluid passage located in between the first and second bodies, the fluid passage having an inlet and an outlet. A method of assembling a manifold is provided.

método para fabricação, e, broca de perfuração.

um método para fabricação compreende as etapas de prover um molde (10) contendo um material de matriz (16), prover um material de infiltração (20) arranjado de modo que, quando fundido, o material de infiltração (20) se infiltrará no material de matriz (16) e aquecerá o material de matriz (16) e o material de infiltração (20) por aquecimento por indução usando uma indução (aquecedor 22) incluindo uma primeira bobina (24) e uma segunda bobina (26), em que as primeira e segunda bobinas (24, 26) são energizadas independentemente uma da outra para permitir maior controle do aquecimento de diferentes partes do material de matriz (16) e material de infiltração (20) dentro do molde (10) A method of fabrication comprises the steps of providing a mold (10) containing a matrix material (16), providing an infiltration material (20) arranged such that when melted, the infiltration material (20) will infiltrate the material. (16) and heat the matrix material (16) and the infiltration material (20) by induction heating using an induction (heater 22) including a first coil (24) and a second coil (26), wherein the first and second coils (24, 26) are energized independently of each other to allow greater control of heating of different parts of matrix material (16) and infiltration material (20) within the mold (10)

Verfahren und Vorrichtung zum Herstellen eines Bauteils

Die Erfindung betrifft ein Verfahren (200) zum Herstellen eines Bauteils (100), wobei das Verfahren (200) einen Schritt des Bereitstellens (202) und einen Schritt des Erwärmens (204) aufweist. Im Schritt des Bereitstellens (202) wird eine erste Komponente (102) aus einem ersten Material bereitgestellt, wobei ein zweites Material (104) in einer Aufnahme der ersten Komponente (102) angeordnet ist. Im Schritt des Erwärmens (204) werden die erste Komponente (102) und das zweite Material (104) zumindest auf eine Reaktionstemperatur des zweiten Materials (104) und/oder des ersten Materials erwärmt, um das zweite Material (104) und die erste Komponente (102) zu verbinden.

Alternative materials for mandrel in infiltrated metal-matrix composite drill bits

An infiltrated metal-matrix composite drill bit includes a bit body comprising a reinforced composite material including reinforcing particles infiltrated with a binder material. A plurality of cutting elements is coupled to an exterior of the bit body. A mandrel is positioned within the bit body and made of an M-based alloy selected from the group consisting of a titanium-based alloy, a nickel-based alloy, a copper-based alloy, a cobalt-based alloy, and a refractory metal-based alloy, wherein the element designated by "M" is the most prevalent element in the alloy composition. A shank is coupled to the mandrel.

MESH REINFORCEMENT FOR METAL-MATRIX COMPOSITE TOOLS

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool. Reinforcement materials are deposited within the infiltration chamber, and a binder material is used to infiltrate the reinforcement materials. At least one preformed mesh is positioned within the infiltration chamber and embedded within the reinforcement materials. The at least one preformed mesh includes a porous body and provides skeletal reinforcement to the infiltrated MMC tool following infiltration.

A MULTI-PART, MANIFOLD AND METHOD OF MAKING THE MANIFOLD

A manifold is provided. The manifold includes: a first body having an outer surface; a second body having an inner surface corresponding to the outer surface of the first body and the first body is micro-welded to the second body; and a groove formed in one or both of the outer and inner surfaces, wherein the first body is dimensioned to fit within the second body so that the outer surface contacts the inner surface and the groove forms a fluid passage located between the first and second bodies, the fluid passage having an inlet and an outlet. Also in some embodiments a method of forming a manifold is provided. The method includes: filling a die with powdered metal having grains; compressing the powdered metal in the die thereby forming a first body; removing the compressed part from the die; contacting the first body to a second body subjecting the bodies to heat; and forming micro-weld between grains of metal between the two bodies.

SYSTEM AND METHOD FOR REPAIRING HIGH-TEMPERATURE GAS TURBINE BLADES

CERAMIC-METAL COMPOSITE WEAR PART

Elektronische Baugruppe

Ausgegangen wird von einer elektronischen Baugruppe umfassend einen Schaltungsträger mit einer bestückbaren metallisierten Ober- und/oder Unterseite und einen Kühlkörper. Zwischen zumindest einem Abschnittsbereich zumindest einer der metallisierten Seiten des Schaltungsträgers und einer Anbindungsfläche des Kühlkörpers ist eine stoffschlüssige, insbesondere wärmeleitende Verbindung ausgebildet. Dabei ist der Kühlkörper aus einem Verbundmaterial ausgebildet, welches zumindest thermisch leitfähige Materialpartikel, bevorzugt Metallpartikel, und ein Grundmaterial als Matrix des Verbundmateriales aufweist, in welchem die Materialpartikel eingebettet sind. Ferner ist die stoffschlüssige Verbindung mit dem Schaltungsträger durch das Verbundmaterial des Kühlkörpers ausgebildet.

Superhard constructions & methods of making same

A superhard polycrystalline construction includes a body of polycrystalline superhard material comprising a first superhard phase 100 having a first average grain size; and a second superhard phase 120 having a second average grain size. The second superhard phase 120 is located in one or more channels or apertures in the first superhard phase 100, the first superhard phase 100 forms a skeleton in the body of superhard material (fig 3). The second superhard phase 120 is bonded to the first superhard phase 100 by a non-superhard phase and the first superhard phase 100 differs from the second superhard phase 120 in average grain size and/or composition. There is also disclosed a method of making such a superhard polycrystalline construction involving sintering at ultra high pressure. A portion of the body may be free of catalyst material and form a thermally stable region.

Mesh reinforcement for metal-matrix composite tools

METHOD OF LASER PATTERNING AN ARRAY OF NANOPARTICLES AND METHOD OF ENTERING A COLORED PATTERN ON A SUPPORT

3D-gedrucktes (gitterstrukturiertes) Metall - Kunststoffmatrix - Verbundmaterial

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Verbundmaterials, das mindestens ein Metall und mindestens ein Polymer umfasst, ein Verbundmaterial, das mindestens ein Metall und mindestens ein Polymer umfasst, das ein 3D-Gitter des mindestens einen Metalls und ein in das 3D-Gitter eingebrachtes Polymer umfasst, eine Komponente für ein Fahrzeug, das das Verbundmaterial umfasst, und ein Fahrzeug, das die Komponente umfasst.

Superhard constructions & methods of making same

MESOSCALE REINFORCEMENT OF METAL MATRIX COMPOSITES

A metal matrix composite (MMC) tool includes a mesoscale-reinforced hard composite portion that comprises reinforcing particles and mesoscale reinforcing structures dispersed in a binder material. The mesoscale reinforcing structures are printed using at least one additive manufacturing technique and are larger than an average powder-size distribution of the reinforcing particles.

MOLD ASSEMBLIES USED FOR FABRICATING DOWNHOLE TOOLS

An example mold assembly for fabricating an infiltrated downhole tool includes a mold forming a bottom of the mold assembly, and a funnel operatively coupled to the mold and having an inner wall, an outer wall, and a cavity defined between the inner and outer walls. An infiltration chamber is defined at least partially by the mold and the funnel. The inner wall faces the infiltration chamber and the outer wall forms at least a portion of an outer periphery of the mold assembly.

A multi-part manifold and method of making the manifold

A manifold 10 comprises a first body 12 with an outer surface 14 and a second body 30 with an inner surface 32 corresponding to the outer surface 14 of the first body. The first body 12 is micro-welded to the second body 30. A groove 18 is formed in one or both of the outer 14 and inner 32 surfaces, and the first body 12 is dimensioned to fit within the second body 30 so that the outer surface 14 contacts the inner surface 32 and the groove 18 forms a fluid passage located between the first 12 and second 30 bodies. The fluid passage has an inlet and an outlet. The outer 14 and inner 32 surfaces can define conic sections, or can be tapered. A method of forming a manifold comprises filling a die with a grained powdered metal, compressing it in the die to form a first body, then removing the compressed part from the die. The first body is put into contact with a second body and they are subjected to heat forming micro-weld between grains of metal between the two bodies. An infiltrant can be ...

MANUFACTURING METHOD

A manufacturing method comprises the steps of providing a mould (10) containing a matrix material (16), providing an infiltrant material (20) arranged so that, when molten, the infiltrant material (20) will infiltrate into the matrix material (16), and heating the matrix material (16) and the infiltrant material (20) by induction heating using an induction (heater 22) including a first coil (24) and a second coil (26), wherein the first and second coils (24), 26) are energised independently of one another to allow increased control over the heating of different parts of the matrix material (16) and infiltrant material (20) within the mould (10).

LASER STRUCTURING METHOD NETWORK NANOPRTICLE METHOD OF ENTERING A COLOURED PATTERN ON A SUPPORT

L'invention concerne un procédé de structuration par laser d'un réseau de nanoparticules, comportant : a] la fourniture (50) d'un support revêtu d'une couche formée d'un matériau essentiellement inorganique, b] l'incorporation (60), dans la couche, de précurseurs de nanoparticules conférant au matériau de la couche la propriété de s'échauffer lorsque cette couche est irradiée, pendant une durée inférieure à 10 s, par un rayonnement laser polarisé linéairement, c] l'irradiation (64) de la couche, par le rayonnement laser, de manière à : • transformer les précurseurs de nanoparticules en nanoparticules, et faire croître ces nanoparticules, et • aligner les nanoparticules le long de lignes parallèles, dont la périodicité de l'espacement est fonction de la longueur d'onde du rayonnement laser et dont l'orientation est fonction de l'orientation de la polarisation du rayonnement laser. The invention relates to a method of laser structuring a nanoparticle network, comprising: a] providing (50) a support coated with a layer formed of an essentially inorganic material, b] the incorporation (60 ), in the layer, nanoparticle precursors conferring on the layer material the property of being heated when this layer is irradiated, for a period of less than 10 s, by linearly polarized laser radiation, c] the irradiation (64 ) of the layer, by the laser radiation, so as to: • transform the precursors of nanoparticles into nanoparticles, and grow these nanoparticles, and • align the nanoparticles along parallel lines, the periodicity of the spacing is a function of the wavelength of the laser radiation and whose orientation is a function of the orientation of the polarization of the laser radiation.

Heat sink and method for manufacturing same

Provided is a low thermal expansion rate, high thermal conductivity heat sink having a clad structure of Cu-Mo composite material and Cu material. In the heat sink, a Cu-Mo composite layer, a Cu layer, and a Cu-Mo composite layer are stacked in this order in a plate thickness direction, or Cu-Mo composite layers and Cu layers are alternately stacked in the plate thickness direction to form a configuration of three or more Cu-Mo composite layers and two or more Cu layers, wherein the outermost layers on both sides comprise Cu-Mo composite layers. The Cu-Mo composite layers include a plate thickness cross sectional structure in which flat Mo phases are dispersed in a Cu matrix. The clad structure makes it possible to obtain high thermal conductivity with a low thermal expansion rate.

Magnetic positioning of reinforcing particles when forming metal matrix composites

A metal matrix composite (MMC) may be formed with two or more portions each having different reinforcing particles that enhance strength, wear resistance, or both of their respective portions of the MMC. Selective placement of the different reinforcing particles may be achieved using magnetic members. For example, in some instances, forming an MMC may involve placing reinforcement materials within an infiltration chamber of a mold assembly, the reinforcement materials comprising magnetic reinforcing particles and non-magnetic reinforcing particles; positioning one or more magnetic members relative to the mold assembly to selectively locate the magnetic reinforcing particles within the infiltration chamber with respect to the non-magnetic reinforcing particles; and infiltrating the reinforcement materials with a binder material to form a hard composite.

SUPERHARD CONSTRUCTIONS & METHODS OF MAKING SAME

A superhard polycrystalline construction comprises a body of polycrystalline superhard material comprising a first superhard phase having a first average grain size; and a second superhard phase having a second average grain size. The second superhard phase is located in one or more channels or apertures in the first superhard phase, the first superhard phase forming a skeleton in the body of superhard material. The second superhard phase is bonded to the first superhard phase by a non-superhard phase and the first superhard phase differs from the second superhard phase in average grain size and/or composition. There is also disclosed a method of making such a superhard polycrystalline construction. 1. A superhard polycrystalline construction comprising:a body of polycrystalline superhard material, the body of polycrystalline superhard material comprising:a first superhard phase having a first average grain size; anda second superhard phase having a second average grain size;wherein the second superhard phase is located in one or more channels or apertures in the first superhard phase, the first superhard phase forming a skeleton in the body of superhard material, the second superhard phase being bonded to the first superhard phase by a non-superhard phase;and wherein the first superhard phase differs from the second superhard phase in average grain size and/or composition.2. A superhard polycrystalline construction according to claim 1 , wherein the superhard grains of the first and the second superhard phases comprise natural and/or synthetic diamond grains claim 1 , the superhard polycrystalline construction forming a polycrystalline diamond construction.3. A superhard polycrystalline construction according to any one of the preceding claims claim 1 , wherein the non-superhard phase comprises a binder phase.4. A superhard polycrystalline construction according to claim 3 , wherein the binder phase comprises cobalt claim 3 , and/or one or more other iron group ...

Sealing assembly, lithium ion battery comprises the same, and method for preparing sealing assembly

A sealing assembly for a battery, a method of preparing the sealing assembly and a lithium ion battery are provided. The sealing assembly for a battery comprises: a ceramic ring (3) having a receiving hole (31), a metal ring (4) fitted over the ceramic ring (3) for sealing an open end of the battery, and a column (2) formed in the receiving hole (31) which comprises a metal-metal composite (21), wherein the metal-metal composite (21) comprises: a metal porous body, and a metal material filled in pores of the metal porous body.

Surface coating for metal matrix composites

Mesh reinforcement for metal-matrix composite tools

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool. Reinforcement materials are deposited within the infiltration chamber, and a binder material is used to infiltrate the reinforcement materials. At least one preformed mesh is positioned within the infiltration chamber and embedded within the reinforcement materials. The at least one preformed mesh includes a porous body and provides skeletal reinforcement to the infiltrated MMC tool following infiltration.

Directional solidification of polycrystalline diamond compact (PDC) drill bits

Segregated multi -material metal-marix composite tools

Alternative materials for mandrel in infiltrated metal-matrix composite drill bits

Segregated multi-material metal-matrix composite tools

A method for fabricating an infiltrated metal-matrix composite (MMC) tool includes positioning at least one boundary form within an infiltration chamber of a mold assembly and thereby segregating the infiltration chamber into at least a first zone and a second zone. Reinforcement materials are deposited into the infiltration chamber and include a first composition loaded into the first zone and a second composition loaded into the second zone. The first and second compositions are then infiltrated with at least one binder material to provide the infiltrated MMC tool with differing mechanical, chemical, physical, thermal, atomic, magnetic, or electrical properties between the first and second zones.

METHODS OF MAKING METAL MATRIX COMPOSITE AND ALLOY ARTICLES

In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate.

PRECIPITATION HARDENED MATRIX DRILL BIT

Forming a precipitation hardened composite material having reinforcing particles and precipitated intermetallic particles dispersed in the binder material may involve heat treating the hard composite material at a temperature above a solvus line for the binder material and below a melting point of the binder material and quenching the hard composite material to a temperature below the solvus line of the binder material. At least some of the precipitated intermetallic particles in the precipitation hardened composite material may have at least one dimension less than 1 micron. Such precipitated intermetallic particles may optionally be grown to larger sizes by heat treating the precipitation hardened composite material at a temperature below the solvus line of the binder material.

Mold Assemblies that Actively Heat Infiltrated Downhole Tools

A mold assembly and method for fabricating an infiltrated drill bit may comprise a mold forming a bottom of the mold assembly, a funnel operatively coupled to the mold, an infiltration chamber defined at least partially by the mold and the funnel to receive and contain matrix reinforcement materials and a binder material used to form the infiltrated drill bit, a displacement core arranged within the infiltration chamber and having one or more legs that extend therefrom, a metal blank arranged about the displacement core within the infiltration chamber, and one or more thermal elements. A method may comprise providing a mold assembly having component parts that include a mold that forms a bottom of the mold assembly and a funnel operatively coupled to the mold, imparting thermal energy to the infiltration chamber with one or more thermal element, and heating contents contained within the infiltration chamber.

Impregnated cutting structures, earth-boring tools including the impregnated cutting structures, and related methods

A method of forming an impregnated cutting structure for an earth-boring tool comprises providing a powder mixture comprising diamond particles and a metal binder in a press and subjecting the powder mixture to a pressure greater than about 4.0 GPa and a temperature greater than about 1,200° C. to densify the powder mixture and form an impregnated cutting structure comprising the diamond particles dispersed in a continuous phase comprising the metal binder, wherein the impregnated cutting structure is substantially free of diamond-to-diamond bonds and of carbides. Related methods of forming an earth-boring tool and a related earth-boring tool including the impregnated cutting structure.

MESH REINFORCEMENT FOR METAL-MATRIX COMPOSITE TOOLS

A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool. Reinforcement materials are deposited within the infiltration chamber, and a binder material is used to infiltrate the reinforcement materials. At least one preformed mesh is positioned within the infiltration chamber and embedded within the reinforcement materials. The at least one preformed mesh includes a porous body and provides skeletal reinforcement to the infiltrated MMC tool following infiltration.

PCBN COMPACT FOR MACHINING OF FERROUS ALLOYS

Precipitation hardened matrix drill bit

Forming a precipitation hardened composite material having reinforcing particles and precipitated intermetallic particles dispersed in the binder material may involve heat treating the hard composite material at a temperature above a solvus line for the binder material and below a melting point of the binder material and quenching the hard composite material to a temperature below the solvus line of the binder material. At least some of the precipitated intermetallic particles in the precipitation hardened composite material may have at least one dimension less than 1 micron. Such precipitated intermetallic particles may optionally be grown to larger sizes by heat treating the precipitation hardened composite material at a temperature below the solvus line of the binder material.

impressora 3d

um método para formar um objeto tendo uma forma alvo tridimensional, que faz uso de um pó de construção, um pó de suporte e um aglutinante. o pó de construção é mais fortemente ligado pelo aglutinante do que o pó de suporte. o pó de construção e o pó de suporte são dispensados em uma sequência de camadas de pó de construção modeladas com pó de suporte que formam coletivamente a forma tridimensional em pó de construção, e o aglutinante é aplicado ao pó de construção depositado, assim formando o objeto de pó de construção e aglutinante. finalmente, o objeto formado é separado do pó de suporte. a method for forming an object having a three-dimensional target shape that makes use of a building powder, a backing powder and a binder. Construction dust is more strongly bound by the binder than carrier dust. the building powder and backing powder are dispensed in a sequence of backing patterned building powder layers that collectively form the three-dimensional building powder form, and the binder is applied to the deposited building powder, thereby forming the Construction dust object and binder. Finally, the object formed is separated from the support dust.

3D Printer

A method for forming an object having a three-dimensional target shape, that makes use of a build powder, a support powder and a binder. The build powder is more strongly bound by the binder than is the support powder. The build powder and the support powder are dispensed in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, and the binder is applied to the deposited build powder, thereby forming the object of build powder and binder. Finally, the formed object is separated from the support powder.

MESOSCALE REINFORCEMENT OF METAL MATRIX COMPOSITES

A metal matrix composite (MMC) tool includes a mesoscale-reinforced hard composite portion that comprises reinforcing particles and mesoscale reinforcing structures dispersed in a binder material. The mesoscale reinforcing structures are printed using at least one additive manufacturing technique and are larger than an average powder-size distribution of the reinforcing particles.

Directional solidification of polycrystalline diamond compact (PDC) drill bits

A method of manufacturing a rotary drill bit includes forming a mold having an inner surface and an outer surface, locating a metal mandrel within the mold, packing the mold around at least part of the mandrel with particulate matrix-forming material and installing an insulating material around at least an upper portion of the outer surface. The material is infiltrated in a furnace with a molten binding alloy and the mold including the insulating material is removed from the furnace, directionally solidifying the material and binding alloy in portion of the bit, wherein the directional solidification proceeds from the lower portion of the outer surface in an upward and outward direction to form a solid infiltrated matrix bonded to the mandrel by cooling of the mold with the insulating material disposed around at least the upper portion of the outer surface of the mold.

Mold Transfer Assemblies and Methods of Use

A mold transfer assembly includes a transfer housing providing an interior defined by one or more sidewalls and a top. The transfer housing is sized to receive and encapsulate a mold as the mold is moved between a furnace and a thermal heat sink. An arm is coupled to the transfer housing to move the transfer housing and the mold encapsulated within the transfer housing between the furnace and a thermal heat sink. The transfer housing exhibits one or more thermal properties to control a thermal profile of the mold.

Mesoscale reinforcement of metal matrix composites

一种金属基复合材料(MMC)工具包括中尺度加强硬质复合材料部分，所述中等强度硬质复合材料部分包括分散在粘合剂材料中的加强颗粒和中尺度加强结构。所述中尺度加强结构使用至少一种增材制造技术来印刷，并且大于所述加强颗粒的平均粉末尺寸分布。

METHODS OF MAKING METAL MATRIX COMPOSITE AND ALLOY ARTICLES

In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate.

SURFACE COATING FOR METAL MATRIX COMPOSITES

A method of fabricating a metal matrix composite (MMC) tool includes coating at least a portion of an interior of a mold assembly with one or more layers of a material coating, where the mold assembly defines at least a portion of an infiltration chamber. Reinforcing materials are deposited into the infiltration chamber, and infiltrated with a binder material. One or more layers of the material coating may then be reacted with the binder material to form an outer shell on selected outer surfaces of the MMC tool.

METHOD FOR MANUFACTURING AN ARTICLE

METHOD FOR LASER-STRUCTURING A NANOPARTICLE NETWORK AND METHOD FOR MARKING A COLOURED PATTERN ON A SUPPORT

The invention concerns a method for laser-structuring a nanoparticle network, comprising: a] providing (50) a support coated with a layer formed from an essentially inorganic material, b] incorporating (60), into the layer, precursors of nanoparticles giving the material of the layer the property of heating up when said layer is irradiated, for a period of time of less than 10 s, by a linearly polarised laser beam, c] irradiating (64) the layer, with the laser beam, in such a way as to: · transform the precursors of nanoparticles into nanoparticles, and make said nanoparticles grow, and · align the nanoparticles along parallel lines; the support being moved relative to the laser beam, during step c], at a speed of movement of between 50µm.s-1 and 5000µm.s-1.

Nockenwellenversteller und Verfahren zur Herstellung solch eines Nockenwellenverstellers

Die Erfindung betrifft einen Nockenwellenversteller, wobei der Nockenwellenversteller einen von einer Kurbelwelle einer Brennkraftmaschine antreibbaren Stator und ein Gehäuse mit wenigstens einem Dichtelement aufweist, wobei der Stator einen um eine Nockenwellendrehachse drehbaren Statordeckel mit einem Dichtkragen umfasst. Der Statordeckel ist aus einem Sinterwerkstoff gesintert. Der Dichtkragen weist eine auf einer Kreisbahn um die Nockenwellendrehachse verlaufende Dichtlauffläche auf. An der Dichtlauffläche liegt das Dichtelement an und dichtet einen Innenraum des Nockenwellenverstellers gegenüber einer Umgebung des Nockenwellenverstellers fluidisch ab. Der Dichtkragen weist eine Randschicht und einen Abschnitt auf, wobei die Randschicht an die Dichtlauffläche angrenzt und sich radial der Abschnitt an die Randschicht auf einer zur Dichtlauffläche abgewandten Seite anschließt. In der Randschicht ist der Sinterwerkstoff gegenüber dem Abschnitt komprimiert.

Superhard constructions & methods of making same

超硬多晶结构体，包含多晶超硬材料的本体，该多晶超硬材料的本体包含具有第一平均晶粒尺寸的第一超硬相，以及具有第二平均晶粒尺寸的第二超硬相。第二超硬相位于第一超硬相中的一个或多个通道或缝隙中，第一超硬相在超硬材料主体上形成骨架。第二超硬相通过非超硬相接合于第一超硬相。第一超硬相和第二超硬相在晶粒尺寸和/或组成上不同。还公开了制造此类超硬多晶结构体的方法。

METHODS OF MAKING METAL MATRIX COMPOSITE AND ALLOY ARTICLES

In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate.

HEAT SINK AND METHOD FOR MANUFACTURING SAME

Superhard structure and manufacturing method thereof

A Multi-Part, Manifold And Method Of Making The Manifold

Cladded articles and applications thereof

In one aspect, composite articles are described herein employing cobalt-based alloy claddings exhibiting high hardness and wear resistance while maintaining desirable integrity and adhesion to surfaces of metallic substrates. A composite article, in some embodiments, comprises a metallic substrate and a composite cladding metallurgically bonded to one or more surfaces of the metallic substrate, the composite cladding including cobalt-based alloy having a chromium gradient, wherein chromium content increases in a direction from the composite cladding surface to an interface of the composite cladding with the metallic substrate.

Mold assemblies that actively heat infiltrated downhole tools

An example mold assembly for fabricating an infiltrated downhole tool includes a mold forming a bottom of the mold assembly, and a funnel operatively coupled to the mold. An infiltration chamber is defined at least partially by the mold and the funnel to receive and contain matrix reinforcement materials and a binder material used to form the infiltrated downhole tool. One or more thermal elements are positioned within at least one of the mold and the funnel, and the one or more thermal elements are in thermal communication with the infiltration chamber.

SEALING ASSEMBLY, LITHIUM ION BATTERY COMPRISES THE SAME, AND METHOD FOR PREPARING SEALING ASSEMBLY

A sealing assembly for a battery, a method of preparing the sealing assembly and a lithium ion battery are provided. The sealing assembly for a battery comprises: a ceramic ring (3) having a receiving hole (31), a metal ring (4) fitted over the ceramic ring (3) for sealing an open end of the battery, and a column (2) formed in the receiving hole (31) which comprises a metal-metal composite (21), wherein the metal-metal composite (21) comprises: a metal porous body, and a metal material filled in pores of the metal porous body.

Mehrteiliger, verjüngter, konzentrischer Verteiler und Verfahren zur Herstellung des Verteilers

Ein Verteiler umfasst: einen ersten Körper mit einer verjüngten Außenoberfläche, einen zweiten Körper mit einer verjüngten Innenoberfläche, die der verjüngten Außenoberfläche des ersten Körpers entspricht, und eine Nut, die in einer oder beiden der gekrümmten Außen- und Innenoberflächen gebildet ist, wobei der erste Körper derart bemessen ist, dass er in den zweiten Körper passt, so dass die verjüngte Außenoberfläche die verjüngte Innenoberfläche kontaktiert und die Nut einen Fluiddurchlass bildet, der sich zwischen den ersten und zweiten Körpern befindet, wobei der Fluiddurchlass einen Einlass und einen Auslass aufweist. Ein Verfahren zum Zusammenbau eines Verteilers wird bereitgestellt.

Nanocomposite magnet and method of producing the same

Methods of making metal matrix composite and alloy articles

In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate.

Methods of making metal matrix composite and alloy articles

In one aspect, methods of making freestanding metal matrix composite articles and alloy articles are described. A method of making a freestanding composite article described herein comprises disposing over a surface of the temporary substrate a layered assembly comprising a layer of infiltration metal or alloy and a hard particle layer formed of a flexible sheet comprising organic binder and the hard particles. The layered assembly is heated to infiltrate the hard particle layer with metal or alloy providing a metal matrix composite, and the metal matrix composite is separated from the temporary substrate. Further, a method of making a freestanding alloy article described herein comprises disposing over the surface of a temporary substrate a flexible sheet comprising organic binder and powder alloy and heating the sheet to provide a sintered alloy article. The sintered alloy article is then separated from the temporary substrate.

Verbundwerkstoffe mit sehr hoher Verschleißbeständigkeit

Die Erfindung bezieht sich auf das Gebiet der Metallurgie und betrifft Verbundwerkstoffe, wie sie beispielsweise für produktberührte Teile von Bergbau-, Misch- und Aufbereitungsanlagen oder in Anlagen für die Zementherstellung zum Einsatz kommen können.Die Aufgabe der vorliegenden Erfindung besteht in der Angabe von Verbundwerkstoffen, die eine sehr hohe Verschleißbeständigkeit aufweisen und in der Angabe eines einfachen und kostengünstigen Verfahrens zu ihrer Herstellung.Gelöst wird die Aufgabe durch Verbundwerkstoffe mit sehr hoher Verschleißbeständigkeit, die aus einer gegossenen Eisenbasislegierung bestehen, in der mindestens bereichsweise Hartstoffpartikel eingelagert sind, wobei die Hartstoffpartikel mindestens teilweise von einer Bindephase umgeben und über die Bindephase mindestens teilweise miteinander verbunden sind, und in der Eisenbasislegierung Ausscheidungen des Kohlenstoff vorhanden sind, wobei lamellenförmige oder lamellare Ausscheidungen des Kohlenstoffs ausschließlich ...

Mold transfer assemblies and methods of use

A mold transfer assembly includes a transfer housing providing an interior defined by one or more sidewalls and a top. The transfer housing is sized to receive and encapsulate a mold as the mold is moved between a furnace and a thermal heat sink. An arm is coupled to the transfer housing to move the transfer housing and the mold encapsulated within the transfer housing between the furnace and a thermal heat sink. The transfer housing exhibits one or more thermal properties to control a thermal profile of the mold.

Component with a ceramic base body having a conduit and a fastening element and method

One aspect relates to a component comprising i. a base body having a first component surface and a further component surface, the base body comprising a ceramic at least to an extent of 50 wt %, based on the total weight of the base body; ii. at least one electrical conduction element, the at least one electrical conduction element comprising a metal at least to an extent of 51 wt %, based on the electrical conduction element, and the at least one electrical conduction element passing through the entire base body from the first component surface to the further component surface; iii. at least one fastening element having a contact area, the at least one fastening element comprising a metal at least to an extent of 51 wt %, based on the fastening element, and the fastening element being surrounded at least in part by the base body.

Manufactured article and method

A manufactured article is comprised of an additively manufactured component having sequentially joined layers of metallic powder. A braze material is disposed on at least a portion of an outer surface of the component. The braze material is located in expected crack locations in the outer surface. At least one crack formed in the outer surface, during a heat treatment, is filled with the braze material. The additively manufactured component comprises a metallic material from a precipitation hardened nickel-based superalloy, which forms a γ′ phase.

PCBN COMPACT FOR MACHINING OF FERROUS ALLOYS

The present application is a new improvement in the fine-grained cubic Boron Nitride sintered compact which may be employed to manufacture a cutting tool. The compact contains at least 80 vol % cBN and is sintered under HPHT conditions. The invention has lower levels of unreacted cobalt in the final sintered material than conventions materials. The invention has proved beneficial in the machining of ferrous metal alloys such as sintered metal alloys.

COMPOSITE WEAR COMPONENT

The present invention discloses a hierarchical composite wear component comprising a reinforced part and a non-reinforced part, the reinforced part comprising a three-dimensionally interconnected network of periodically alternating millimetric ceramic-metal composite granules with millimetric interstices, said ceramic-metal composite granules comprising at least 52 vol%, preferably at least 61 vol%, more preferably at least 70 vol% of micrometric particles of titanium carbide embedded in a first metal matrix, the three-dimensionally interconnected network of ceramic-metal composite granules with its millimetric interstices being embedded in a second metal matrix, said reinforced part comprising in average at least 23 vol%, more preferably at least 28 vol%, most preferably at least 30 vol% of titanium carbide, the composition of the first metal matrix being substantially different from the composition of the second metal matrix, the second metal matrix comprising the ferrous cast alloy present ...

COMPOSITES WITH VERY HIGH WEAR RESISTANCE

Gerichtete Verfestigung polykristalliner kompakter Diamantschneider-(PDC)-Bohrmeißel

Zusammenfassung: Ein Verfahren zur Herstellung eines Rollenmeißels, das die Bildung einer Form mit einer inneren und äußeren Oberfläche umfasst, das Einlegen eines Metallstützdorns in diese Form, das Füllen zumindest eines Teils der Form um zumindest einen Teil des Stützdorns mit partikelförmigem, matrixbildendem Material sowie das Verlegen eines isolierenden Materials um mindestens einen oberen Abschnitt der äußeren Oberfläche. Das Material wird in einem Schmelzofen mit einer geschmolzenen bindenden Legierung infiltriert und die Form mit dem isolierenden Material dem Schmelzofen entnommen, wobei sich das Material und die bindende Legierung im Abschnitt des Meißels gerichtet verfestigen und die gerichtete Verfestigung von dem unteren Abschnitt der äußeren Oberfläche in eine nach oben und nach außen gerichtete Richtung verläuft, um eine solide infiltrierte, an den Stützdorn gebundene Matrix zu bilden, indem die Form von dem isolierenden Material, das zumindest den oberen Abschnitt der äußeren ...

Manufacturing method

A manufacturing method includes the steps of providing a mould containing a matrix material, providing an infiltrant material arranged so that, when molten, the infiltrant material will infiltrate into the matrix material, and heating the matrix material and the infiltrant material by induction heating using an induction heater. The induction heater includes a first coil and a second coil, wherein the first and second coils are energised independently of one another to allow increased control over the heating of different parts of the matrix material and infiltrant material within the mould.

Mold Assemblies Used for Fabricating Downhole Tools

An example mold assembly for fabricating an infiltrated downhole tool includes a mold forming a bottom of the mold assembly, and a funnel operatively coupled to the mold and having an inner wall, an outer wall, and a cavity defined between the inner and outer walls. An infiltration chamber is defined at least partially by the mold and the funnel. The inner wall faces the infiltration chamber and the outer wall forms at least a portion of an outer periphery of the mold assembly.

Method for Producing a Green Body and Method for Further Processing the Green Body Into a Machining Segment for the Dry Machining of Concrete Materials

A method for producing a green body for a machining segment, where the machining segment is connectable to a basic body of a machining tool by an underside of the machining segment, includes placing first hard material particles in respective depressions of a first press punch in a defined particle pattern and applying a first matrix material to the placed first hard material particles.

Heat sink and method for manufacturing same

Provided is a heat sink that has a clad structure of a Cu—Mo composite material and a Cu material and has a low coefficient of thermal expansion and high thermal conductivity. The heat sink comprises a pair of Cu—Mo composite layers and a Cu layer stacked in a thickness direction so that the Cu layer is interposed between the Cu—Mo composite layers or comprises three or more Cu—Mo composite layers and two or more Cu layers alternately stacked in the thickness direction so that two of the Cu—Mo composite layers are outermost layers on both sides, wherein each of the Cu—Mo composite layers has a thickness section microstructure in which flat Mo phase is dispersed in a Cu matrix. Such a clad structure achieves high thermal conductivity together with a low coefficient of thermal expansion.

Polycrystalline diamond compacts, related products, and methods of manufacture

Embodiments relate to polycrystalline diamond compacts (“PDCs”) and methods of manufacturing such PDCs in which an at least partially leached polycrystalline diamond (“PCD”) table is infiltrated with a low viscosity cobalt-based alloy infiltrant.

Mining bit and method of manufacturing the bit

Provided is a mining bit and a method for manufacturing the same wherein a plurality of cutting tips are provided in such a manner as to be easily made with a high concentration of abrasive particles, rounded on a cutting surface to induce optimal abrasion, and have a shape of an arch having the same width and rounded on inner and outer surfaces thereof. The mining bit includes: the layers have a shape of an arch with flat surfaces in such a manner as to be laminated onto each other in a horizontal direction with respect to a cutting surface of each cutting tip, and a distance (D2) between the abrasive particles on the adjacent layers is less than a distance (D1) between the abrasive particles on each layer.

Directional solidification of polycrystalline diamond compact (pdc) drill bits

A method of manufacturing a rotary drill bit includes forming a mold having an inner surface and an outer surface, locating a metal mandrel within the mold, packing the mold around at least part of the mandrel with particulate matrix-forming material and installing an insulating material around at least an upper portion of the outer surface. The material is infiltrated in a furnace with a molten binding alloy and the mold including the insulating material is removed from the furnace, directionally solidifying the material and binding alloy in portion of said bit, wherein said directional solidification proceeds from the lower portion of the outer surface in an upward and outward direction to form a solid infiltrated matrix bonded to the mandrel by cooling of the mold with the insulating material disposed around at least the upper portion of the outer surface of the mold.

Nanocomposite magnet and method of producing the same

A nanocomposite magnet includes grains including a shell of a Re-TM-B phase and a core of a TM or TM-B phase. Re is a rare earth element, and TM is a transition metal.

System and method for servicing hot gas turbine blades

가스 터빈을 위한 블레이드는 제거된 부분 공간을 포함하며, 제거된 부분 공간을 정의하는 에어포일 부분 ― 에어포일 부분은 모재 재료(base material)로 형성됨 ―, 및 제거된 부분 공간을 충전(fill)하도록 형성된 교체 컴포넌트를 더 포함한다. 교체 컴포넌트는, 50% - 80%의 모재 재료, 0% - 30%의 브레이즈 재료, 및 0% - 8%의 알루미늄을 포함하는 재료로 형성된다. 에어포일 부분에 교체 컴포넌트를 부착하고 그리고 제거된 부분 공간을 충전하기 위해, 에어포일 부분과 교체 컴포넌트 사이에 브레이즈 조인트(braze joint)가 형성된다.

Polycrystalline diamond compacts, related products, and methods of manufacture

Embodiments relate to polycrystalline diamond compacts (“PDCs”) and methods of manufacturing such PDCs in which an at least partially leached polycrystalline diamond (“PCD”) table is infiltrated with a low viscosity cobalt-based alloy infiltrant.

Polycrystalline diamond compacts including infiltrated polycrystalline diamond table and methods of making same

Embodiments relate to polycrystalline diamond compacts and methods of manufacturing such compacts in which an at least partially leached polycrystalline diamond (“PCD”) table is infiltrated with first and second infiltrants. The first infiltrant includes a low viscosity cobalt-based and/or nickel-based alloy infiltrant. The second infiltrant (e.g., copper) is specifically selected to be more easily infiltrated and/or removed (e.g., leached) than a pure cobalt infiltrant. In an embodiment, a method includes forming a PCD table in the presence of a metal-solvent catalyst in a first high-pressure/high-temperature (“HPHT”) process. The PCD table may be at least partially leached to remove at least a portion of the metal-solvent catalyst therefrom. The leached PCD table and a substrate are subjected to a second HPHT process effective to bond the substrate to the leached PCD table while at least partially infiltrating the PCD table with at least the first and second infiltrants.

Catalyst manufacturing method

A method for producing a catalyst or catalyst precursor is described comprising: (i) applying a slurry of a particulate catalyst compound in a carrier fluid to an additive layer manufactured support structure to form a slurry-impregnated support, and (ii) drying and optionally calcining the slurry-impregnated support to form a catalyst or catalyst precursor, wherein the mean particle size (D50) of the particulate catalyst compound in the slurry is in the range 1-50µm and the support structure has a porosity = 0.02ml/g.

Method of producing catalyst

FIELD: chemistry.SUBSTANCE: present invention relates to production of catalysts using a substrate prepared by additive layer-by-layer production. Method of producing catalyst or catalyst precursor includes: (i) combining substrate material in form of particles with binder to form billet mixture, (ii) forming billet mixture layer, (iii) applying a binding solvent from the print head to the workpiece mixture layer in accordance with a given pattern for bonding the substrate material in the form of particles, (iv) repeating steps (ii) and (iii) layer by layer, (v) removing unbound material, and (vi) drying and optionally calcination to form a substrate structure, (vii) applying a suspension of a catalyst compound in the form of particles in a carrier fluid to a substrate structure obtained by additive layer-by-layer production with formation of a substrate-impregnated substrate, and (viii) drying and optionally calcining a substrate-impregnated soot to form a catalyst precursor or catalyst, wherein the average particle size (D50) of the catalyst compound in the form of particles in the suspension is in range of 1–50 mcm, and the substrate structure has porosity from 0.02 to 1.4 ml/g, and the average particle size of the catalyst compound in the form of particles is less than the pore size distribution.EFFECT: this method provides catalysts with improved properties compared to conventional processes and enables to use catalyst compounds not suitable for impregnation by soluble salts.23 cl, 13 tbl, 1 dwg, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 744 266 C2 (51) МПК B01J 37/02 (2006.01) B01J 32/00 (2006.01) B01J 35/10 (2006.01) B22F 3/105 (2006.01) B29C 64/194 (2017.01) B29C 71/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА B29C 64/165 (2017.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ B01D 53/86 (2006.01) (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 37/0228 (2020.01); B01J 32/00 (2020.01); B01J 35/10 (2020.01); B22F 3/105 (2020.01); B29C 64/194 (2020.01); B29C 71/00 (2020.01); B29C ...

Mesoscale reinforcement of metal matrix composites

A metal matrix composite (MMC) tool includes a mesoscale-reinforced hard composite portion that comprises reinforcing particles and mesoscale reinforcing structures dispersed in a binder material. The mesoscale reinforcing structures are printed using at least one additive manufacturing technique and are larger than an average powder-size distribution of the reinforcing particles.

Catalyst manufacturing method

A kind of powder metallurgy combined sintering formula plunger pump cylinder body and preparation method thereof

本发明公开了一种粉末冶金组合烧结式柱塞泵缸体及其制备方法。该方法首先对柱塞泵缸体进行分型，分为高强缸头和粉末冶金缸体两部分，组装后，通过粉末冶金组合烧结工艺将二者焊接为一体。其中高强缸头选用高强度钢或其他高强度金属材料，而包括缸体壁和柱塞孔在内的缸体其余部位(即粉末冶金缸体)是使用粉末冶金材料。烧结过程中渗铜材料渗入粉末冶金缸体材料，提高致密性，满足防渗漏要求。另一方面，渗铜材料的焊接作用使高强缸头与粉末冶金缸体连接为一体，二者形成冶金结合，能够承受较高的扭转力，且高强缸头的高力学性能可以防止工作过程中的断裂失效，使制备的组合烧结式粉末冶金缸体能够满足高压柱塞泵的应用要求。

Segregated multi-material metal-matrix composite tools

A method for fabricating an infiltrated metal-matrix composite (MMC) tool includes positioning at least one boundary form within an infiltration chamber of a mold assembly and thereby segregating the infiltration chamber into at least a first zone and a second zone. Reinforcement materials are deposited into the infiltration chamber and include a first composition loaded into the first zone and a second composition loaded into the second zone. The first and second compositions are then infiltrated with at least one binder material to provide the infiltrated MMC tool with differing mechanical, chemical, physical, thermal, atomic, magnetic, or electrical properties between the first and second zones.

Mold assemblies used for fabricating downhole tools

An example mold assembly for fabricating an infiltrated downhole tool includes a mold forming a bottom of the mold assembly, and a funnel operatively coupled to the mold and having an inner wall, an outer wall, and a cavity defined between the inner and outer walls. An infiltration chamber is defined at least partially by the mold and the funnel. The inner wall faces the infiltration chamber and the outer wall forms at least a portion of an outer periphery of the mold assembly.

Hierarchical composite wear part with structural reinforcement

The present invention is related to hierarchical composite wear component comprising a reinforced part, said reinforced part comprising a reinforcement of a triply periodic minimal surface ceramic lattice structure, said structure comprising multiple cell units, said cell units comprising voids and micro-porous ceramic cell walls, the micro-pores of the cell walls comprising a sinter metal or a cast metal, the ceramic lattice structure being embedded in a bi-continuous structure with a cast metal matrix.

A method of manufacturing a turbomachine part by MIM molding

L’invention concerne la fabrication d’une pièce (5) d’aéronautique, par moulage par injection. Après avoir injecté les mélanges préparés, de façon à obtenir deux ébauches vertes, une zone d’assemblage (9a,9b) de l’une au moins de ces deux ébauches est chauffée, les ébauches sont assemblées puis un déliantage est effectué, et enfin un frittage. Figure à publier avec l’abrégé : Figure 4. The invention relates to the manufacture of an aeronautical part (5), by injection molding. After having injected the prepared mixtures, so as to obtain two green blanks, an assembly zone (9a, 9b) of at least one of these two blanks is heated, the blanks are assembled then debinding is carried out, and finally a sinter. Figure to be published with abstract: Figure 4.

Method of producing an assembly with heating of the first component and of the second material to a reaction temperature

Surface coating for metal matrix composites

A method of fabricating a metal matrix composite (MMC) tool includes coating at least a portion of an interior of a mold assembly with one or more layers of a material coating, where the mold assembly defines at least a portion of an infiltration chamber. Reinforcing materials are deposited into the infiltration chamber, and infiltrated with a binder material. One or more layers of the material coating may then be reacted with the binder material to form an outer shell on selected outer surfaces of the MMC tool.

Catalyst manufacturing method

A method for producing a catalyst or catalyst precursor is described comprising: (i) applying a slurry of a particulate catalyst compound in a carrier fluid to an additive layer manufactured support structure to form a slurry-impregnated support, and (ii) drying and optionally calcining the slurry-impregnated support to form a catalyst or catalyst precursor, wherein the mean particle size (D50) of the particulate catalyst compound in the slurry is in the range 1-50µm and the support structure has a porosity ≥ 0.02ml/g.

Patent RU2017125557A3

Production of composite sintered parts

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

System and method for repairing high-temperature gas turbine blades

A blade for a gas turbine includes a removed portion space, and further includes an airfoil portion defining the removed portion space, the airfoil portion formed from a base material, and a replacement component formed to fill the removed portion space. The replacement component is formed from a material that includes 50% - 80% base material, 0% - 30% braze material, and 0% - 8% aluminum. A braze joint is formed between the airfoil portion and the replacement component to attach the replacement component to the airfoil portion and fill the removed portion space.

Mining bit and method of manufacturing the bit

A mining bit includes: a shank; and cutting tips attached to the shank, each cutting tip having a plurality of layers and a plurality of abrasive particles, wherein the layers have a shape of an arch with flat surfaces in such a manner as to be laminated onto each other in a horizontal direction with respect to a cut surface of each cutting tip, and a distance (D2) between the abrasive particles on the adjacent layers is less than a distance (D1) between the abrasive particles on each layer.

Diamond composite material and heat radiating member

Provided are: a heat radiating member and a diamond composite material that are dense, exceptionally thermally conductive, and suitable as a material for a heat radiating member; and a method for producing a diamond composite material that makes it possible to manufacture, at high productivity, a diamond composite material that is dense and exhibits exceptional wettability between diamond and metal. This diamond composite material is provided with: coated diamond particles that are provided with diamond particles and a carbide layer containing an element from Group 4 of the periodic table and covering the surfaces of the diamond particles; and silver or a silver alloy that binds together the coated diamond particles, said composite material having an oxygen content of no more than 0.1% by mass.

Composite Body in which Nanoparticles are uniformly dispersed in nanosized Pores of a Support and Method of manufacturing the same

금속 나노입자가 지지체의 기공에 고르게 분산되고 흡착된 복합체 및 이의 제조방법이 개시된다. 전이 금속과 할로겐 원소를 주쇄로하는 무기 고분자들이 수소 결합되어 형성된 비정질 나노구조체는 금속 나노입자들의 형성을 위한 화학적 템플릿으로 이용된다. 형성된 금속 나노입자들은 기공을 가진 지지체에 고르게 분산되고 흡착된다. Disclosed are a composite in which metal nanoparticles are uniformly dispersed and adsorbed in the pores of a support, and a method for preparing the same. An amorphous nanostructure formed by hydrogen bonding of inorganic polymers having a transition metal and a halogen element as main chains is used as a chemical template for the formation of metal nanoparticles. The formed metal nanoparticles are evenly dispersed and adsorbed on the support having pores.

Polycrystalline diamond compacts, and related methods and applications

Method for producing a green body and method for further processing the green body to form a machining segment for the dry machining of concrete materials

A method for producing a green body (53) for a machining segment, a bottom side (47) of the machining segment being connected to a main body of a machining tool, wherein the green body (53) is produced from a first matrix material (44) and first hard material particles (45), and, on a top side (48) which is opposite the bottom side (47), the first hard material particles (45) are placed in the first matrix material (44) according to a defined particle pattern.

System and method for repairing high-temperature gas turbine components

A method of forming a component includes mixing a powdered base material and a binder to define a mixture, forming the mixture into a desired shape without melting the base material, removing the binder from the desired shape to define a skeleton, the volume of the skeleton being between 80 percent and 95 percent base material, and infiltrating the skeleton with a melting point depressant material to define a finished component, the finished component having less than one percent porosity by volume.

System and method for forming part from rapidly manufactured article

A manufacturing method includes providing a material that includes a plurality of particles and a binder that is uncured. The method also includes forming a first article from the material including curing the binder to bind a collection of the particles together into the first article. Furthermore, the method includes encasing at least a portion of the first article with an outer member. The outer member defines an internal cavity that corresponds to the first article. Additionally, the method includes heating the outer member and the first article to melt the collection of particles into a molten mass within the internal cavity of the outer member. Moreover, the method includes solidifying the molten mass within the outer member to form a second article. The second article corresponds to at least a portion of the internal cavity of the outer member.

WEAR PART AND METHOD FOR MANUFACTURING A WEAR PART

PEÇA DE DESGASTE E MÉTODO PARA FABRICAR UMA PEÇA DE DESGASTE. A presente invenção refere-se a uma peça de desgaste fabricada em fundição com uma parte reforçada compreendendo uma liga ferrosa reforçada com carbonetos, nitretos, boretos metálicos ou ligas intermetálicas para as quais a referida parte reforçada compreende insertos de carbonetos de metal, nitretos, compostos de metais ou intermetálicos previamente fabricados com geometria definida e inseridos em uma estrutura infiltrável de grãos aglomerados compreendendo os reagentes necessários para a formação de carbonetos metálicos ou intermetálicos, nitretos, boretos de acordo com uma reação térmica autopropagante in situ iniciada durante a fundição da liga ferrosa. WEAR PART AND METHOD FOR MANUFACTURING A WEAR PART. The present invention relates to a wear part manufactured in casting with a reinforced part comprising a ferrous alloy reinforced with carbides, nitrides, metallic borides or intermetallic alloys for which said reinforced part comprises inserts of metal carbides, nitrides, composites of metals or intermetallics previously manufactured with defined geometry and inserted in an infiltrable structure of agglomerated grains comprising the necessary reagents for the formation of metallic or intermetallic carbides, nitrides, borides according to a self-propagating thermal reaction in situ initiated during the casting of the ferrous alloy .

Producing polycrystalline diamond compact (pdc) drill bits with catalyst-free and substrate-free pdc cutters

Methods for forming a polycrystalline diamond compact (PDC) drill bit from catalyst-free synthesized polycrystalline diamonds are described. The polycrystalline diamonds are deposited within a mold. In some cases, a matrix body material is deposited within the mold, and an infiltration process is performed to bond the polycrystalline diamonds to the matrix body material to form the PDC drill bit. In some cases, a drill bit body is formed within the mold, and forming the drill bit body within the mold includes depositing a layer of matrix body material particles within the mold, depositing an adhesive ink within the mold, and curing the adhesive ink. In some cases, a sintering process is performed after forming the drill bit body to remove at least a portion of the adhesive ink and increase a density of the drill bit body to form the PDC drill bit.

Polycrystalline diamond compacts, and related methods and applications

Embodiments relate to polycrystalline diamond compacts ("PDCs") including a polycrystalline diamond ("PCD") table in which a metal-solvent catalyst is alloyed with at least one alloying element to improve thermal stability and/or wear resistance of the PCD table. In an embodiment, a PDC includes a substrate and a PCD table bonded to the substrate. The PCD table includes diamond grains defining interstitial regions. The PCD table includes an alloy comprising at least one Group VIII metal and at least one metallic alloying element such as phosphorous.

Alloy wire and preparation method and application thereof

本发明涉及钨合金材料技术领域，特别涉及一种合金线材及其制备方法与应用，所述合金线材由钨合金制成，所述钨合金包含钨与锆的氧化物，所述合金线材的线径为100μm及以下；所述合金线材的抗拉强度为3800MPa以上。所述合金线材的线径为60μm及以下；所述合金线材的推拉芯线直径为350μm以下；所述合金线材的弹性极限强度为2500MPa以上；所述合金线材的抗拉强度为4200MPa以上。本发明中，通过锆的氧化物掺杂从而获得具有超高强度且具备良好韧性的合金线材。

Catalyst manufacturing method

A method for producing a catalyst or catalyst precursor is described comprising: (i) applying a slurry of a particulate catalyst compound in a carrier fluid to an additive layer manufactured support structure to form a slurry-impregnated support, and (ii) drying and optionally calcining the slurry-impregnated support to form a catalyst or catalyst precursor, wherein the mean particle size (D50) of the particulate catalyst compound in the slurry is in the range 1-50µm and the support structure has a porosity ≥ 0.02ml/g.

sliding element

Ein Gleitelement (10) umfasst ein Grundmaterial (12), eine poröse gesinterte Schicht (14), die auf dem Grundmaterial (12) vorgesehen ist, und eine Harzschicht (16), die in die poröse gesinterte Schicht (14) imprägniert und auf der porösen gesinterten Schicht (14) vorgesehen ist. In der porösen Sinterschicht (14) nimmt eine Porosität von einer zweiten Oberfläche (S2), die einer ersten Oberfläche (S1) gegenüberliegt, die näher am Grundmaterial liegt, in Richtung der ersten Oberfläche (S1) ab, wobei die erste Oberfläche und die zweite Oberfläche jeweils eine der Endflächen in der Dickenrichtung sind, und eine Abnahmerate der Porosität in der Dickenrichtung (Z) in einem ersten Bereich (E1), der 50 % oder mehr der Dicke der porösen Sinterschicht (14) einnimmt, von der zweiten Oberfläche (S2) in Richtung der ersten Oberfläche (S1) größer ist als eine Abnahmerate der Porosität in der Dickenrichtung (Z) in einem zweiten Bereich (E2), der nicht der erste Bereich (E1) in der porösen Sinterschicht (14) ist.

Sliding member

A sliding member (10) includes a base material (12), a porous sintered layer (14) provided on the base material (12), and a resin layer (16) impregnated into the porous sintered layer (14) and provided on the porous sintered layer (14). In the porous sintered layer (14), a porosity decreases from a second surface (S2) opposite to a first surface (S1) closer to the base material, toward the first surface (S1), the first surface and the second surface each being one of end surfaces in the thickness direction, and a decrease rate of the porosity in the thickness direction (Z) in a first region (E1) occupying 50% or more of the thickness of the porous sintered layer (14) from the second surface (S2) toward the first surface (S1) is larger than a decrease rate of the porosity in the thickness direction (Z) in a second region (E2) other than the first region (E1) in the porous sintered layer (14).

Process for producing a material composite, material composite and use of the material composite as a heat conductor and heat exchanger

The invention relates to a process for producing a material composite (200) comprising the steps: producing (S100) a composite material (20) that extends along an axis of elongation (z), composed of carbon nanostructures anchored in a matrix of a first metal (24), preferably carbon nanostructures (22) wherein the carbon nanostructures (22) extend along the axis of elongation (z) of the composite material (20); subdividing (S200) the composite material (20) into segments (30) of the composite material (20); arranging (S400) the segments (30) in a plane of a die (100); filling (S500) cavities in the die (120) with a filler material (130); sintering (S600) in the die (100) to form a material composite (200), and exposing the carbon nanostructures (22) of the composite material (20) on at least one surface of the composite material (200), so that the carbon nanostructures (22) project from this surface. Also proposed are a material composite and the use thereof as a heat conductor and/or heat exchanger.

具有结构增强的分层复合耐磨件

本发明涉及包含增强部分的分层复合耐磨部件，所述增强部分包含三重周期最小曲面陶瓷栅格结构的增强体，所述结构包含多个格子单元，所述格子单元包含空隙和微孔陶瓷格子壁，所述格子壁的微孔包含烧结金属或浇铸金属，所述陶瓷栅格结构嵌在具有浇铸金属基体的双连续结构中。

一种合金线材及其制备方法与应用

本发明涉及钨合金材料技术领域，特别涉及一种合金线材及其制备方法与应用，所述合金线材由钨合金制成，所述钨合金包含钨与稀土氧化物，所述合金线材的线径为100μm及以下；所述合金线材的抗拉强度为3800MPa以上。所述合金线材的线径为60μm及以下；所述合金线材的推拉芯线直径为350μm以下；所述合金线材的弹性极限强度为2500MPa以上；所述合金线材的抗拉强度为4200MPa以上。本发明中，通过稀土氧化物掺杂从而获得具有超高强度且具备良好韧性的合金线材。

構造上の強化材を備えた階層的複合摩耗部

本発明は、強化部分を備える階層的複合摩耗部品であって、前記強化部分は、複数のセルユニットを備える、三重周期極小曲面セラミック格子構造体の強化材を備え、前記セルユニットは、空隙と、微孔セラミックセル壁とを備え、セル壁の微孔は、焼結金属または鋳造金属を含み、セラミック格子構造体は、鋳造金属母材との二重連続構造体に埋め込まれている、階層的複合摩耗部品に関する。

Additively manufactured joined parts

A joined part comprises a first portion and a second portion. The first portion comprises a guide slot at least partially defined by a porous structure. A joint material is disposed within the porous structure. The second portion is disposed within the guide slot and contacts the porous structure and the joint material disposed therein to form an interfacial joint between the first portion and the second portion. A method of manufacturing the joined part includes disposing a joint material into a porous structure of a guide slot of a first portion, inserting a second portion into the guide slot, and contacting the porous structure and the joint material disposed therein to form an interfacial joint between the first portion and the second portion.

一种合金线材及其应用

本发明涉及钨合金材料技术领域，特别涉及一种合金线材及其应用，所述合金线材由钨合金制成，所述钨合金包含钨与稀土氧化物，所述合金线材的线径在80μm以上且300μm以下；所述合金线材的抗拉强度为2800MPa以上。所述合金线材的硬度在580HV0.5以上；所述合金线材的耐高温性能高温强度在600MPa以上。本发明中，通过稀土氧化物掺杂从而获得具有超高强度且具备良好硬度及高温强度的合金线材。

合金線材とその製造方法及び用途

Honeycomb structure and electrically heating support

A ceramic honeycomb structure includes: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells to form a fluid flow path extending from one end face to other end face. The honeycomb structure contains: 1) particles including one or more selected from silicon carbide, silicon nitride and aluminum nitride; and 2) silicon doped with a dopant. The dopant is a Group 13 element or a Group 15 element. The honeycomb structure has a silicon content (B) of from 20 to 80% by mass, and the honeycomb structure has a porosity of 30% or less.

Fabricating drill bits

A method of fabricating a drill bit is described. The method includes forming a mold with interior surfaces defining a mold cavity within the mold, the mold cavity having a shape corresponding to a shape of a body of the drill bit; forming catalyst-free synthesized polycrystalline diamond compact (PDC) cutting elements using an ultra-high pressure and temperature process; determining positions of the catalyst-free synthesized PDC cutting elements within the mold cavity; placing the catalyst-free synthesized PDC cutting elements at the determined positions within the mold cavity; filling the mold cavity with matrix materials of the body of the drill bit; and bonding the catalyst-free synthesized PDC cutting elements with the matrix materials of the body to form an impregnated drill bit.

System and method for repairing high-temperature gas turbine blades

A blade for a gas turbine includes a removed portion space, and further includes an airfoil portion defining the removed portion space, the airfoil portion formed from a base material, and a replacement component formed to fill the removed portion space. The replacement component is formed from a material that includes 50%-80% base material, 0%-30% braze material, and 0%-8% aluminum. A braze joint is formed between the airfoil portion and the replacement component to attach the replacement component to the airfoil portion and fill the removed portion space.

用于修复高温燃气涡轮部件的系统和方法

一种形成部件的方法包括：将粉末状基础材料和粘合剂混合以限定混合物，在不熔融基础材料的情况下将混合物形成为期望形状，将粘合剂从期望形状中移除以限定骨架，骨架的体积在百分之80与百分之95的基础材料之间，以及用熔点抑制剂材料渗透骨架以限定成品部件，该成品部件具有以体积计小于百分之一的孔隙率。

用于修复高温燃气涡轮叶片的系统和方法

一种用于燃气涡轮的叶片，其包括被移除部分的空间，并且还包括：翼型件部分，该翼型件部分限定被移除部分的空间，翼型件部分由基础材料形成；以及替换部件，该替换部件形成为对被移除部分的空间进行填充。替换部件由包括下述各者的材料形成：50％至80％的基础材料、0％至30％的钎焊材料以及0％至8％的铝。在翼型件部分与替换部件之间形成钎焊接合部，以将替换部件附接至翼型件部分并对被移除部分的空间进行填充。

고온 가스 터빈 컴포넌트들을 보수하기 위한 시스템 및 방법

컴포넌트(component)를 형성하는 방법은 혼합물을 정의하기 위해 분말형 모재 재료(powdered base material) 및 바인더(binder)를 혼합하는 단계, 모재 재료를 용융시키지 않고서 혼합물을 원하는 형상으로 형성하는 단계, 골격(skeleton)을 정의하기 위해 원하는 형상으로부터 바인더를 제거하는 단계 ― 골격은 80% 내지 95%의 모재 재료를 포함하는 볼륨(volume)을 가짐 ― , 및 완성된 컴포넌트를 정의하기 위해 골격에 용융점 강하제 재료(melting point depressant material)를 침투(infiltrating)시키는 단계 ― 완성된 컴포넌트는 볼륨 기준으로 1% 미만의 공극률을 가짐 ― 를 포함한다.

用于制造复合材料的方法和复合材料

本申请涉及：用于制造复合材料的方法；和复合材料。本申请中获得的复合材料可以具有高的热传导效率。本申请中获得的复合材料可以确保在氧化和/或高温气氛等中的稳定性。本申请中获得的复合材料具有能够防止尤其是在用作散热材料等时发生剥离问题等的优点。

Composite structures, heater apparatus, fast light-off exhaust aftertreatment systems, and methods of manufacturing and using same

A composite structure, exhaust aftertreatment system, and method of manufacture. The composite structure includes a body that includes an array of intersecting walls that form a plurality of channels extending in an axial direction through the body such that adjacent channels are located on opposite sides of each wall. A composite material of the body includes a first phase of a porous glass or ceramic containing material. The first phase includes an internal interconnected porosity. A second phase of an electrically conductive material is included that is a continuous, three-dimensional, interconnected, electrically conductive phase at least partially filling the internal interconnected porosity of the first phase, which creates an electrical path through at least some of the walls in a lateral direction perpendicular to the axial direction between the opposite sides of the walls.

Fabricating drill bits

A method of fabricating a drill bit is described. The method includes forming a mold with interior surfaces defining a mold cavity within the mold, the mold cavity having a shape corresponding to a shape of a body of the drill bit; forming catalyst-free synthesized polycrystalline diamond compact (PDC) cutting elements using an ultra-high pressure and temperature process; determining positions of the catalyst-free synthesized PDC cutting elements within the mold cavity; placing the catalyst-free synthesized PDC cutting elements at the determined positions within the mold cavity; filling the mold cavity with matrix materials of the body of the drill bit; and bonding the catalyst-free synthesized PDC cutting elements with the matrix materials of the body to form an impregnated drill bit.

高温ガスタービン部品を修復するためのシステム及び方法

Method for fabricating perfectly wetting surfaces

A method of preparing a substrate having a wetting surface, including confirming the presence of an open, interconnected pore network in a ceramic substrate to be wetted with a first metal, filling the open, interconnected pore network with a second metal,exuding the second metal to coat the surface of the substrate, and wetting the substrate with the first metal. The ceramic substrate is not decomposed by the first metal and the ceramic substrate is not decomposed by the second metal.

Techniques for controlling build material flow characteristics in additive manufacturing and related systems and methods

Embodiments described herein relate to methods and systems for controlling the packing behavior of powders for additive manufacturing applications. In some embodiments, a method for additive manufacturing includes adding a packing modifier to a base powder to form a build material. The build material may be spread to form a layer across a powder bed, and the build material may be selectively joined along a two-dimensional pattern associated with the layer. The steps of spreading a layer of build material and selectively joining the build material in the layer may be repeated to form a three-dimensional object. The packing modifier may be selected to enhance one or more powder packing and/or powder flow characteristics of the base powder to provide for improved uniformity of the additive manufacturing process, promote sintering, and/or to enhance the properties of the manufactured three-dimensional objects.

一种电池的负极密封组件及其制作方法、以及一种锂离子电池

本发明涉及一种电池的负极密封组件，包括：金属环、陶瓷环和芯柱，金属环的中部设置有安装孔，金属环套接于所述陶瓷环的外侧，陶瓷环的中部设有收容孔，芯柱形成于所述收容孔内，芯柱包括金属-金属复合体；金属-金属复合体包括金属复合多孔体和金属材料，金属复合多孔体与金属材料通过熔渗形成致密的金属-金属复合体结构；金属复合多孔体包括第一金属和第二金属，第一金属为铜，第二金属为钨和/或钼；以金属复合多孔体的总重量为基准，第一金属的含量为5-40wt%，第二金属的含量为60-95wt%，金属材料为铜。另外，本发明还提供了采用这种密封组件的锂离子电池。本发明的电池的密封组件的连接可靠，密封效果佳。

Process for producing a material composite, material composite and use of the material composite as a heat conductor and heat exchanger

Processes produce a compound material structure by producing a composite material which extends along an axis of elongation from carbon nanostructures anchored in a matrix of a first metal extending along the axis of elongation of the composite material. The processes comprise dividing the composite material into segments of the composite material, arranging the segments in a plane of a die matrix, filling free spaces in the die matrix with a filler material and subsequently sintering in the die matrix to form a compound material structure or squeeze casting in the die matrix, and exposing the carbon nanostructures of the composite material on at least one surface of the compound material structure such that the carbon nanostructures protrude out of this surface. Compound material structures and uses thereof as a heat conductor and/or a heat exchanger are also provided.

Verfahren zur herstellung eines werstoffverbundes, einen werkstoffverbund sowie eine verwendung des werkstoffverbundes als wärmeleiter sowie -überträger

Die Erfindung betrifft ein Verfahren zur Herstellung eines Werkstoffverbundes (200) umfassend die Schritte: Herstellen (S100) eines Verbundwerkstoffes (20), der sich entlang einer Ausdehnungsachse (z) erstreckt, aus in einer Matrix eines ersten Metalls (24) verankerten Kohlenstoffnanostrukturen, bevorzugt Kohlenstoffnanostrukturen (22), wobei sich die Kohlenstoffnanostrukturen (22) entlang der Ausdehnungsachse (z) des Verbundwerkstoffes (20) erstrecken; Unterteilen (S200) des Verbundwerkstoffes (20) in Segmente (30) des Verbundwerkstoffes(20); Anordnen (S400) der Segmente (30) in einer Ebene einer Matrize (100); Auffüllen (S500) von Freiräumen in der Matrize (120) mit einem Auffüllmaterial (130); Sintern (S600) in der Matrize (100) zu einem Werkstoffverbund (200), und Freilegen der Kohlenstoffnanostrukturen (22) des Verbundwerkstoffes (20) aus mindestens einer Oberfläche des Werkstoffverbundes (200), so dass die Kohlenstoffnanostrukturen (22) aus dieser Oberfläche herausragen. Ferner sind ein Werkstoffverbund und eine Verwendung dessen als Wärmeleiter und/oder Wärmeüberträger vorgeschlagen.

Composite body having nanoparticles uniformly dispersed in nano-sized pores in support, and method for producing same

Provided are a composite in which metal nanoparticles are evenly dispersed and adsorbed to pores of a support, and a method of preparing the same. An amorphous nanostructure formed of inorganic polymers having a transition metal and a halogen element as a main chain via hydrogen bonding is used as a chemical template for forming the metal nanoparticles. The formed metal nanoparticles are evenly dispersed and adsorbed to the support with pores.

滑动构件

本发明的滑动构件(10)具备基材(12)、设于基材(12)上的多孔质烧结层(14)、以及含浸于多孔质烧结层(14)且设于多孔质烧结层(14)上的树脂层(16)。就多孔质烧结层(14)而言，在厚度方向上的两端面之间，空隙率从与基材侧的第一面(S1)对置的第二面(S2)朝向第一面(S1)而降低，从第二面(S2)朝向第一面(S1)且多孔质烧结层(14)的厚度50％以上的第一区域(E1)的厚度方向(Z)上的空隙率的降低率大于多孔质烧结层(14)的所述第一区域(E1)以外的第二区域(E2)的厚度方向(Z)上的空隙率的降低率。

摺動部材

摺動部材（１０）は、基材（１２）と、基材（１２）上に設けられた多孔質焼結層（１４）と、多孔質焼結層（１４）に含浸および多孔質焼結層（１４）上に設けられた樹脂層（１６）と、を備える。多孔質焼結層（１４）は、厚み方向の両端面の内、基材側の第１面（Ｓ１）に対向する第２面（Ｓ２）から第１面（Ｓ１）に向かって空隙率が低下し、第２面（Ｓ２）から第１面（Ｓ１）に向かって多孔質焼結層（１４）の厚みの５０％以上の第１領域（Ｅ１）の、厚み方向（Ｚ）の空隙率の低下率が、多孔質焼結層（１４）の該第１領域（Ｅ１）以外の第２領域（Ｅ２）の厚み方向（Ｚ）の空隙率の低下率より大きい。

摺動部材

Additively manufactured joined parts

A joined part (100) comprises a first portion (102) and a second portion (104). The first portion (102) comprises a guide slot (110) at least partially defined by a porous structure (112). A joint material (114) is disposed within the porous structure (112). The second portion (104) is disposed within the guide slot (110) and contacts the porous structure (112) and the joint material (114) disposed therein to form an interfacial joint (116) between the first portion (102) and the second portion (104). A method (200) of manufacturing the joined part (100) includes disposing a joint material (114) into a porous structure (112) of a guide slot (110) of a first portion (102), inserting a second portion (104) into the guide slot (110), and contacting the porous structure (112) and the joint material (114) disposed therein, thereby forming an interfacial joint (116) between the first portion (102) and the second portion (104).

복합재료 및 이 복합재료를 포함하는 방열부품

본 발명은 금속과 다이아몬드의 복합재료와 이 복합재료로 구성된 방열부품에 관한 것이다. 본 발명에 따른 복합재료는, 금속으로 이루어진 제1층과, 제1층 상에 형성되며 타이타늄(Ti) 및/또는 타이타늄(Ti) 화합물을 포함하는 제2층과, 제2층 상에 형성되며 금속에 다수의 다이아몬드 입자가 분산된 조직을 가지는 제3층과, 제3층 상에 형성되며 타이타늄(Ti) 및/또는 타이타늄(Ti) 화합물을 포함하는 제4층과, 제4층 상에 형성되며 금속으로 이루어진 제5층을 포함하는 적층 구조를 가지고, 제3층의 단면에 있어서, 상기 다수의 다이아몬드 입자 중 적어도 일부는 제2층 또는 제4층과 접하고, 상기 제2층 또는 제4층과 접하는 곳에 평탄부가 형성되어 있는 것을 특징으로 한다.

增材制造的连接部

一种连接部(100)包括第一部分(102)和第二部分(104)。第一部分(102)包括至少部分地由多孔结构(112)限定的导向槽(110)。接头材料(114)设置在多孔结构(112)内。第二部分(104)设置在导向槽(110)内并接触多孔结构(112)和设置在其中的接头材料(114)，以在第一部分(102)和第二部分(104)之间形成交接接头(116)。一种制造连接部(100)的方法(200)包括将接头材料(114)设置到第一部分(102)的导向槽(110)的多孔结构(112)中，将第二部分(104)插入导向槽(110)中并接触多孔结构(112)和设置在其中的接头材料(114)，以在第一部分(102)和第二部分(104)之间形成交接接头(116)。

Alloy wire, preparation method therefor and use thereof

Hierarchical composite wear part with structural reinforcement

The present invention is related to hierarchical composite wear component comprising a reinforced part, said reinforced part comprising a reinforcement of a triply periodic minimal surface ceramic lattice structure, said structure comprising multiple cell units, said cell units comprising voids and micro-porous ceramic cell walls, the micro-pores of the cell walls comprising a sinter metal or a cast metal, the ceramic lattice structure being embedded in a bicontinuous structure with a cast metal matrix.

复合结构、加热器设备、快速起燃排气后处理系统及其制造和使用方法

一种复合结构，排气后处理系统及制造方法。所述复合结构包括主体，所述主体包括相交壁的阵列，所述相交壁形成在轴向方向上延伸通过主体的多个通道，使得相邻通道位于每个壁的相对侧。所述主体的复合材料包括含玻璃或陶瓷的多孔材料的第一相。第一相包含内部互连孔隙。包含导电材料的第二相，所述第二相是至少部分填充第一相的内部互连孔隙的连续的三维互连导电相，其在壁的相对侧之间建立以垂直于轴向方向的横向方向通过至少一些壁的电路径。

径向扶正滑动轴承动环的制造方法

本发明提供一种径向扶正滑动轴承动环的制造方法，该方法包括：获取动环制造模具，该模具包括基体、同轴放置在基体外的套模，基体和套模之间形成环形空间，基体、套模和盖板之间形成容纳空间；设置定位基准，清洗待粘结部件，将耐磨件粘贴在套模的内圆柱面上；组装填料，将铸造碳化钨粉末倒入环形空间剩余缝隙内，在铸造碳化钨粉末上方放入定位粉末形成定位层，之后再按比例放入一定量粘结合金，在粘结合金上按比例均匀洒上一定量的助熔剂，盖上盖板；将组装并填料好的模具进行烧结，得到动环毛坯；将动环毛坯空冷后进行机加工，使动环的尺寸达到设计要求。利用本发明能提高径向扶正滑动轴承的工作寿命，同时降低机加工难度和制造成本。

PCBN sintered compact

The present application is a new improvement in the fine-grained cubic boron nitride sintered compact which may be employed to manufacture a cutting tool. The compact contains at least 80 vol % cBN with a metallic binder system and is sintered under HPHT conditions. The improvement incorporates alloys of aluminum in the metallic binder system.

복합 구조물, 히터 장치, 빠른 활성화 배기가스 후처리 시스템, 및 이를 제조 및 사용하는 방법

복합 구조물, 배기가스 후처리 시스템, 및 제조 방법. 복합 구조물은 인접한 채널이 각 벽의 대향하는 측면들에 위치되도록 본체를 통해 축 방향으로 연장되는 복수의 채널을 형성하는 교차 벽의 배열을 포함하는 본체를 포함한다. 상기 본체의 복합 물질은 다공성 유리 또는 세라믹 함유 물질의 제1 상을 포함한다. 상기 제1 상은 내부 상호연결된 다공성을 포함한다. 제1 상의 내부 상호연결된 다공성을 적어도 부분적으로 채우는 연속적이고, 3-차원이며, 상호연결된, 전기 전도성 상인, 전기 전도성 물질의 제2 상이 포함되며, 이는 벽의 대향하는 측면들 사이에 축 방향에 수직인 횡측 방향으로 벽의 적어도 일부를 통과하는 전기 경로를 생성한다.

Composite wear part

The present invention relates to a hierarchical wear part comprising a reinforced part which comprises zirconia or an alumina-zirconia alloy, the reinforced part also comprising centimetric inserts having a predefined geometry, the inserts comprising micrometric particles of carbides, nitrides, metal borides or borides made of intermetal compounds bound by a first metal matrix, the inserts being inserted into a reinforcing structure infiltrated with a second metal matrix, the reinforcing structure comprising a periodic alternation of millimetric zones with a high and low concentration of micrometric particles of zirconia or an alumina-zirconia alloy, the second metal matrix being different from the first metal matrix.