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7531020 Heat sink made from diamond-copper composite material containing boron, and method of producing a heat sink  
A heat sink that is particularly suitable for semiconductor components is made from a diamond-containing composite material. In addition to a diamond fraction amounting to 40-90% by volume, the...
7384252 Method for producing tire vulcanizing mold and tire vulcanizing mold  
A 3-D solid model of a tire vulcanizing mold is constructed on CAD, lamination models the optimum value of the pitch of which is determined in consideration of molding accuracy and processing time...
7250134 Infiltrating a powder metal skeleton by a similar alloy with depressed melting point exploiting a persistent liquid phase at equilibrium, suitable for fabricating steel parts  
A steel powder metal skeleton is infiltrated with an infiltrant composition similar to the skeleton, with an additional agent that depresses the melting point of the infiltrant relative to the...
7186369 Method of forming a part made of a molybdenum-copper composite material  
The present invention relates to a method of forming a part made of a molybdenum-copper composite material. The composite material is formed by forming a mixture of molybdenum, phenolic, and wax,...
7172725 W-Cu alloy having homogeneous micro-structure and the manufacturing method thereof  
In W—Cu alloy having a homogeneous micro-structure and a fabrication method thereof, the method includes forming mixed powders by mixing tungsten powders with W—Cu composite powders; forming a...
7060222 Infiltration of a powder metal skeleton of similar materials using melting point depressant  
An infiltrant is used to fill a metal powder skeleton. The infiltrant is similar in composition to the base powder, but contains a melting point depressant. The infiltrant will quickly fill the...
6951579 Sintered alloy for valve seats, valve seat and manufacturing method thereof  
A sintered alloy for valve seats is comprised of carbon at 1 to 2 percent by weight, chromium at 3.5 to 4.7 percent by weight, molybdenum at 4.5 to 6.5 percent by weight, tungsten at 5.2 to 7.0...
6918943 Machining tool and method of producing the same  
A machining surface of a machining tool such as a drill is composed of a metal-rich section. A ceramics-rich section is formed centrally in the drill. Further, a gradient section is provided...
6916443 High differential pressure electrochemical cell  
An electrochemical cell capable of operating in pressure differentials exceeding about 2,000 psi, using a porous electrode. The porous electrode comprises a catalyst adsorbed on or in a porous...
6852273 High-strength metal aluminide-containing matrix composites and methods of manufacture the same  
(a) The metal matrix composite is suitable for the manufacture of flat or shaped titanium aluminide, zirconium aluminide, or niobium aluminide articles and layered metal composites having improved...
6852275 Process for production of intermetallic compound-based composite material  
There is provided a process for producing an intermetallic compound-based composite material containing a reinforcing material and an intermetallic compound. The process includes infiltrating a...
6840978 Porous metal article, metal composite material using the article and method for production thereof  
A porous metal body having a foam structure of 500 μm or less in average pore diameter, wherein the skeleton is composed of an alloy primarily including Fe and Cr, and Cr carbide or FeCr carbide...
6833018 Powder metal materials including glass  
A method of forming a powder metal material includes molding a compact from a powder mix comprising an iron-containing powder and glass, and subsequently sintering the compact. Also disclosed is a...
6793876 Production process for Fe-based sintered alloy valve seat  
A valve seat is produced by (a) using, as a raw material powder for forming a matrix, an Fe-based alloy powder with an average particle size of 20 to 50 μm, and using, as a raw material powder for...
6746507 Production method of composite material and composite material produced by the production method  
There are disclosed a method for producing a composite material composed of a dispersing agent and a matrix, and a composite material produced by the method. The matrix is formed by the steps of...
6737016 Process for manufacturing sintered slide bearing  
Disclosed is a process for manufacturing a sintered slide bearing. A sintered porous bearing body is prepared from a powdered metal material and a resin material in a fluidable state is penetrated...
6723279 Golf club and other structures, and novel methods for making such structures  
Golf club structures, including club heads and shafts, composed of composites comprised of a matrix of metal, such as an aluminum alloy, or a plastic material and a fiber such as graphite or a...
6719948 Techniques for infiltration of a powder metal skeleton by a similar alloy with melting point depressed  
In infiltrating a porous metal skeleton an infiltrant composition is used similar to that of the powder skeleton, but with the addition of a melting point depressant. The infiltrant quickly fills...
6712871 Sintered alloy for valve seat having excellent wear resistance and method for producing the same  
A sintered alloy composition for automotive engine valve seats, and a method for producing the same, are described. An iron base sintered alloy composition comprising vanadium carbide particles,...
6710020 Hollow fullerene-like nanoparticles as solid lubricants in composite metal matrices  
The present invention provides a new composite material comprising a porous matrix made of metal, metal alloy or semiconducting material and hollow fullerene-like nanoparticles of a metal...
6676894 Copper-infiltrated iron powder article and method of forming same  
A method for forming a copper-infiltrated iron powder metal article comprises compacting and sintering a predominately iron powder to form an iron-base matrix that contains between about 1 and 7...
6641639 Method of producing a body for electric heating, as well as a body produced by the method  
Bodies for heating, for example electric sealing jaws, are produced according to the present invention by a method which includes compaction and densification or consolidation of pulverulent,...
6635357 Bulletproof lightweight metal matrix macrocomposites with controlled structure and manufacture the same  
The lightweight bulletproof metal matrix macrocomposites (MMMC) contain (a) 10-99 vol. % of permeable skeleton structure of titanium, titanium aluminide, Ti-based alloys, and/or mixtures thereof...
6599466 Manufacture of lightweight metal matrix composites with controlled structure  
Lightweight metal matrix composites containing a skeleton structure of titanium, titanium aluminide, or Ti-based alloy are manufactured by low temperature infiltration with molten Mg-based alloy or...
6551374 Method of controlling the microstructures of Cu-Cr-based contact materials for vacuum interrupters and contact materials manufactured by the method  
The present invention relates to a method of controlling the microstructures of Cu—Cr-based contact materials for vacuum interrupters, in which a heat-resistant element is added to the...
6551373 Copper infiltrated ferro-phosphorous powder metal  
In accordance with the teachings of the present invention a structural member is formed by iron-phosphorous alloy powder having about 0.01 wt % to 1.2 wt % of phosphorous by weight of the powder....
6548012 Manufacturing soft magnetic components using a ferrous powder and a lubricant  
Near-net-shape soft magnetic components can be produced from iron powder-lubricant compositions using powder metallurgy techniques. The resulting components have isotropic magnetic and thermal...
6534191 Sintered alloy and method for the hardening treatment thereof  
A method for the hardening treatment of a sintered alloy includes compressing an iron-based sinterable material to form a compact, providing a surface of the compact with a coating material...
6524525 Method for producing a contact material for contact pieces for vacuum switch devices, and a contact material and contact pieces therefor  
A method for producing a contact material made of copper and chromium in a proportion of 40 to 75 wt.-% copper and 25 to 60 wt.-% of chromium for contact pieces for vacuum switch devices by...
6475429 Heat sink substrate consisting essentially of copper and molybdenum and method of manufacturing the same  
A heat sink substrate comprises a Cu—Mo composite substrate composed of a molybdenum (Mo) green compact with which Copper (Cu) of 20-60 wt % is impregnated. It is preferable that the heat sink...
6419876 Machinability of powder metal components  
A sintered powder metal part is prepared for machining by injecting grease into the surface of the part to be machined to a depth at least equal to the depth of machining. The grease is injected...
6403210 Method for manufacturing a composite material  
The invention relates to a composite material, manufactured by dynamic densification of an amount of granular or powdered relatively brittle material or a mixture of one or more of such materials,...
6399018 Powdered material rapid production tooling method and objects produced therefrom  
Solid objects are made by means of a novel multi-step forming, debinding, sintering and infiltrating process, using a metal-ceramic composition. In this process, the mixture is held for a period of...
6348079 Sintered alloy having a wear resistance for a valve seat and method of producing the same  
The present invention relates to s a sintered alloy having an excellent wear resistance for a valve seat and a method of producing the same. More particularly, the present invention relates to the...
6319437 Powder injection molding and infiltration process  
A powder injection molding and infiltration process. A powder of a skeleton material having a relatively high melting point is mixed with a composite binder to form a mold mixture. The composite...
6303076 Contact material for contacts for vacuum interrupter and method of manufacturing the contact  
A contact material for forming a contact included in a vacuum interrupter comprises 50 to 70% by weight of a conductive material containing Cu as a principal component, an arc-proof material...
6287433 Insoluble titanium-lead anode for sulfate electrolytes  
An insoluble anode for sulfate electrolytes composed of, generally, from 1 to 99 wt % titanium or titanium alloy and the remainder lead or lead alloy, comprising a titanium-lead active layer, or a...
6224816 Molding method, apparatus, and device including use of powder metal technology for forming a molding tool with thermal control elements  
Tool having a molding surface is formed from a flowable material (e.g., powder material) wherein the shape of molding surface is formed from a molding process using a master pattern having a...
6218025 Sintering electrode  
6183687 Hard composite and method of making the same  
A method of heat treating a sintered body having an exposed surface which has the steps of: providing a sintered body comprised of a hard carbide and a binder, the binder being present in the...
6132486 Powdered metal admixture and process  
A process of forming a multi-phase sintered article of powdered metal comprising: blending a mixture of copper powder, aluminum powder, iron powder, and nickel, each in their free states, with a...
6114048 Functionally graded metal substrates and process for making same  
The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In...
6103185 h-BN modified P/M stainless steels  
In the invention, a stainless steel powder of the desired composition is either directly mixed with a h-BN powder, compressed and sintered or the stainless steel powder is compressed, impregnated...
6073518 Bit manufacturing method  
A method of manufacturing a drill bit or other drilling-related structure used for drilling into subterranean formations is herein disclosed where a blank is formed by placing a ferrous metal...
6042627 Aluminum-boron-carbon abrasive article and method to form said article  
An aluminum-boron-carbon abrasive article is comprised of at least three phases selected from the group consisting of: B 4 C; AlB 2 ; AlB 12 ; AlB 12 C 2 ; Al 4 C 3 ; AlB 24 ,C 4 ; Al 4 B...
6042778 Sliding bearing and method of making a sliding bearing material  
A sliding bearing which is multilayered, self-lubricating and maintenance-free includes a metallic supporting body; and a layer of sintered bronze which is provided on the metallic supporting body...
6017425 Photocatalyst, preparation therefor and method for producing hydrogen using the same  
The present invention relates to a photocatalyst for producing hydrogen, harmless to the environment and by which a large quantity of hydrogen is efficiently produced at low temperatures without...
6010659 Method and device for producing a contact element  
A method of producing a contact element having a base body made of material with good electrical conductivity (first material) and a contact layer made of material with a less good electrical...
5980819 Sintered oil-impregnated bearing, manufacturing method thereof, and motor comprising same  
A sintered oil-impregnated bearing 20 used in a bearing device 30 is made by molding a mixture of a composite fine particles (main material) and a solid lubricant previously added to the main...
5963773 Tungsten skeleton structure fabrication method employed in application of copper infiltration and tungsten-copper composite material fabrication method thereof  
A tungsten skeleton structure fabrication method employed in an application of a copper infiltration and tungsten-copper composite fabrication method includes the steps of forming a source powder...
Matches 1 - 50 out of 267 1 2 3 4 5 6 >