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7384443 Hybrid cemented carbide composites  
Embodiments of the present invention include hybrid composite materials comprising a cemented carbide dispersed phase and a cemented carbide continuous phase. The contiguity ratio of the dispersed...
7316724 Multi-scale cermets for high temperature erosion-corrosion service  
A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide...
7297176 Cemented carbide body  
The present invention relates to a cemented carbide body with the following composition: Co: 10-12 wt-%, TaC: <3 wt-%, NbC: 1-5.5 wt-%, TiC: 3-5 wt-% and as rest WC. The cemented carbide body is...
7288133 Three-phase nanocomposite  
A three-phase nanocomposite that comprises about 0.5 to 10 vol % nano-scale aluminum oxide particles and about 1 to 45% high modulus ceramic particles and an aluminum alloy matrix. The nano phase...
7250069 High-strength, high-toughness matrix bit bodies  
A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments,...
7179319 Fine grained sintered cemented carbide, process for manufacturing and use thereof  
The invention proposes a fine grained sintered cemented carbide containing chromium and based on WC and a binder based on Co or CoNiFe, and having at least one additional phase comprising at least...
7128773 Compositions having enhanced wear resistance  
A composite material includes a double cemented carbide and a coarse grain dopant, wherein the coarse grain is added in an amount sufficient to improve wear resistance of virgin double cemented...
7097685 Cemented carbide, coated cemented carbide member and production processes of the same  
A cemented carbide comprises a binder phase consisting essentially of an iron family metal, a first hard phase consisting essentially of WC having a hexagonal crystal structure, and a second hard...
7017677 Coarse carbide substrate cutting elements and method of forming the same  
Cutting elements having coarse grain substrates and ultra hard material layers are provided. The substrates are formed from coarse grain size particles of tungsten carbide. A method of forming such...
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...
6921422 Ductile binder phase for use with A1MgB14 and other hard materials  
This invention relates to a ductile binder phase for use with AlMgB 14 and other hard materials. The ductile binder phase, a cobalt-manganese alloy, is used in appropriate quantities to tailor...
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...
6911063 Compositions and fabrication methods for hardmetals  
Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. A two-step...
6896846 Synthesis of orthopaedic implant materials  
A method for synthesis of biomedical alloys has been developed based on combustion phenomena. This low pressure combustion synthesis (LPCS) technique may be used for production of Co-based and...
6872234 Cutting member  
The cutting member comprises WC, two or more solid solutions of WC and compounds selected from carbides, nitrides and carbonitrides of metals of the groups 4a, 5a and 6a in the Periodic Table, and...
6869460 Cemented carbide article having binder gradient and process for producing the same  
An eta-phase-free cemented carbide insert with improved surface hardness and wear resistance containing WC, and possibly cubic phases of a carbide and/or carbonitride, in a binder phase of Co, Ni,...
6844281 Reinforcement preform for metal matrix composites  
A preform for use in a metal matrix composite, particularly for a magnesium metal composite. In the preform the reinforcing material typically is silicon carbide, boron nitride, titanium nitride,...
6830604 Tool for drilling/routing of printed circuit board materials  
A dense cemented carbide product is described. The product is manufactured from WC with a grain size between 0.1 and 0.4 μm, fine grain size cobalt and ruthenium powders. The product is used in...
6827755 High-toughness and high-strength ferritic steel and method of producing the same  
A high-strength and high-toughness ferritic steel having a tensile strength of not less than 1,000 MPA and a Charpy impact value of not less than 1 MJ/m 2 is provided. A ferritic steel comprising,...
6821313 Reduced temperature and pressure powder metallurgy process for consolidating rhenium alloys  
Pressure powder metallurgy process for consolidating refractory or rhenium alloys using a reduced temperature and elevated pressure. Rhenium metal has high temperature strength and wear resistance...
6818315 Method for the manufacture of a metal matrix composite, and a metal matrix composite  
A method for the manufacture of a metal matrix composite by the SHS technique comprises a reaction between titanium and carbon or between titanium and borium, forming titanium carbide or titanium...
6797031 Wire-shaped product, method for its manufacturing, and wear part made of the product  
The invention concerns a method for the manufacturing of a wire-shaped product with high wear resistance. The characteristic feature is that a melt is prepared of a martensitic stainless chromium...
6723387 Multimodal structured hardcoatings made from micro-nanocomposite materials  
A thermal spray method for the fabrication of ceramic/metal and ceramic/ceramic hardcoating for wear applications. The method makes use of feedstock powder, composed of micron-scale aggregates of...
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,...
6702905 Corrosion and wear resistant alloy  
An iron-based corrosion resistant and wear resistant alloy. The alloy can comprise (in weight percent) 0.005-0.5% boron, 1.2-1.8% carbon, 0.7-1.5% vanadium, 7-11% chromium, 1-3.5% niobium, 6-11%...
6692548 Copper-based sliding material, method of manufacturing the same, and sliding bearing  
A copper-based sliding material produced by sintering, comprising at least two phases of copper and/or copper alloys which phases have hardness levels different form each other, and hard particles...
6682580 Matrix powder for the production of bodies or components for wear-resistant applications and a component produced therefrom  
A matrix powder for the production of components for wear-resistant applications by forming the matrix powder, along with an infiltrant, into a matrix, and and a wear-resistant component produced...
6682579 Metal-based powder compositions containing silicon carbide as an alloying powder  
Metallurgical powder compositions are provided that include silicon carbide to enhance the strength, ductility, and machine-ability of the compacted and sintered parts made therefrom. The...
6652616 Powder metallurgical method for in-situ production of a wear-resistant composite material  
In accordance with the method according to the present invention, particles consisting of ferrotitanium, ferroniobium or ferrovanadium are dispersed and hot compacted in a metal matrix powder...
6641640 Hard material sintered compact with a nickel- and cobalt-free, nitrogenous steel as binder of the hard phase  
Hard sintered moldings having a nickel- and cobalt-free, nitrogen-containing steel as a binder of the hard phase, processes for the powder metallurgical production of these hard sintered moldings,...
6635098 Low cost feedstock for titanium casting, extrusion and forging  
A low cost titanium, titanium alloy material, or Ti matrix composite comprising clean and divided titanium turnings that are blended with titanium, titanium alloy powder, and/or ceramic powder and...
6630008 Nanocrystalline aluminum metal matrix composites, and production methods  
Objects comprising carbide particulate having pressure consolidated nanocrystalline coating material are formed. Oxides of the coating material, in particulate form, may become dispersed in the...
6569524 High thermal conductivity composite material, and method for producing the same  
The present invention provides a composite material having comparatively high thermal conductivity and a small coefficient of thermal expansion, which is low cost and preferable as a heatsink...
6551371 Titanium-based composite material, method for producing the same and engine valve  
A titanium-based composite material according to the present invention is characterized in that it comprises: a matrix containing a titanium (Ti) alloy as a major component, and titanium compound...
6526949 Valve apparatus  
A valve body of a spill valve is constructed of steel having a martensitic structure and a needle constructed of steel in which hard particles are dispersed in a matrix having a martensitic...
6521353 Low thermal conductivity hard metal  
A hard alloy material comprising tungsten carbide in an amount of 50 to 80 weight percent of the material, titanium carbide in an amount of at least about 10 weight percent, and a binder material...
6464747 Sintered cermet material for cutting tools and method for producing the same  
Sintered cermet materials far tools such as cutting tools, which are excellent in heat resistance, wear resistance and fracture resistance, are inexpensive, and have long life time, and a method...
6461401 Composition for binder material particularly for drill bit bodies  
A composite structural metal use, for example, in drill bit bodies is disclosed. The metal includes powdered tungsten carbide, and binder metal consisting of a composition by weight of manganese in...
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...
6398843 Dispersion-strengthened aluminium alloy  
A dispersion-strengthened material is described which comprises aluminium or aluminium alloy containing a substantially uniform dispersion of ceramic particles to confer dispersion strengthening...
6372012 Superhard filler hardmetal including a method of making  
A superhard filler hardmetal having a superhard material filler, binder metal or matrix and in some instances at least a first hard component is disclosed. The superhard filler hardmetal has a...
6355086 Method and apparatus for making components by direct laser processing  
The present invention relates to a method an apparatus for fabricating a component by a direct laser process. One form of the present invention contemplates a gas turbine engine blade having an...
6340377 High-temperature wear-resistant sintered alloy  
The invention relates to an iron-based high-temperature wear-resistant sintered alloy. This alloy contains 3.74-13.36 wt % W, 0.39-5.58 wt % V, 0.2-5.78 wt % Cr, 0.1-0.6 wt % Si, 0.39-1.99 wt % Mn,...
6338907 Abrasive tool  
The invention relates to an abrasive tool comprising a support body and at least one abrasive element connected thereto. Said abrasive element has an abrasive grain which is joined by a sintered...
6336950 Electrode rod for spark deposition, process for the production thereof, and process for covering with superabrasive-containing layer  
An aspect of this invention is an electrode rod for spark alloying, comprising a compact of a first powder of a first component which comprises a metal selected from a group of Fe, Co, Ni, metals...
6332903 Materials processing cylinder containing titanium carbide  
A bimetallic materials processing cylinder formed of a titanium carbide alloy via a vacuum melt process, for example at a pressure of about 10 -4 Torr, the purpose of which being to utilize...
6306196 Sintered Ti-system material product derived from injection molding of powder material and producing method thereof  
Disclosed is a sintered Ti-based material product derived from injection molding of a powder material. The outer layer region of the product comprises a lower amount of carbon than the inner layer...
6303235 Copper-based sliding alloy  
There is provided a copper-based sliding alloy excellent in wear resistance and anti-seizure property. A phase of 2 to 30 wt. % lead is dispersed in the copper alloy. This lead phase contains 0.1...
6299992 Method of making cemented carbide with binder phase enriched surface zone  
The present invention relates to method of making a cemented carbide insert, comprising a cemented carbide substrate and a coating. The substrate contains WC and cubic carbonitride phase in a...
6299424 Sliding member and refrigerating compressor using the same  
When sliding elements, slide bushings, vanes and Oldham rings employed in various types of refrigeration compressors and other applications meet the following conditions, they resist sticking to...
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