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4311524 |
Sintered iron-based friction material
According to the invention, a sintered iron-based friction material comprises copper, tin, graphite, pyroceramic, lead, and zinc sulphide, the ratio of the components expressed in percent by mass...
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4309457 |
Process of producing multilayer-coated composite powder
A multilayer-coated composite powder is produced by a first step of treating a core powder to be coated with first metallic ions and a metallic powder for reducing the first ions and thereby...
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4309458 |
Process of producing composite powder coated with noble metal
Composite powder coated with a noble metal is produced by adding a powder of a metal or alloy baser than the noble metal to a powder of a metallic sulfide, carbon, activated charcoal, metallic...
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4274874 |
Copper-tin type sintered alloy for oil-impregnated bearing excellent in bearing performance as bearing used in low-load and high-velocity region
A copper-tin type sintered alloy for an oil-impregnated bearing excellent in bearing performance particularly as a bearing used in low-load and high-velocity region, having a chemical composition...
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4261741 |
Antifriction alloy
An antifriction alloy containing iron, molybdenum and sulphur, and having a low coefficient of friction, even in the dry state, is disclosed. The alloy contains 8.0-26.6% iron, 41.0-62.5%...
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4256489 |
Low wear high current density sliding electrical contact material
A solid, self lubricating bearing material especially useful as a sliding electrical contact in vacuum environments comprising a high temperature lubricant chosen from AlPO 4 , BaF 2 , CaF 2 and...
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4253874 |
Alloys steel powders
A finely divided annealed steel powder consisting by weight of up to 1.5% carbon, 1.0 to 2.0% chromium, less than 0.05% silicon, less than 0.1% manganese and either one or a combination of two or...
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4233071 |
Bearing having iron sulfur matrix
A bearing with or without a backing comprising a sintered porous body formed of a composition containing 1/2 to 6% by weight sulfur, 0 to 60% copper, and the balance iron. The body may be...
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4200541 |
Bearing materials
The specification discloses advantageous dry bearing materials in which a material having characteristics making it useful as a dry bearing material has on its contacting or bearing surface a...
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4189522 |
Multi-layer sliding material and method for manufacturing the same
A multi-layer bearing is obtained by laying and distributing metal powder which contains aluminum as a main component thereof, uniformly on a steel plate or a steel plated with Ni or the like in...
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4155756 |
Hollow bodies produced by powder extrusion of aluminum-silicon alloys
This invention concerns production by extrusion of hollow cylindrical bodies starting with granulated alloys of aluminum containing silicon. It consists of preparing the composition of the alloy in...
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4050147 |
Method for the production of ductile and stable particle-superconductors
A method of the producing a ductile and stable particle superconductor, as well as the product itself, from particles of the formula NbN, NbN 1 -x C x where x is less than or equal to 0.5, Nb 3 ...
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4008183 |
High temperature anticorrosive molded product
A high temperature anticorrosive molded product produced by hot pressing a mixture comprising 1-10 weight parts of powdery aluminum and 100 weight parts of a powdery composition comprising an...
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4000981 |
Sintered self-lubricating article
A sintered self-lubricating article having great oxidation resistance, high dimension-stability and high wear resistance at elevated temperatures without assistance of any other lubricants and...
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3981062 |
Apex seal composition for rotary engines
An apex seal element for a rotary internal combustion engine is described which is comprised of a cemented carbide having a binder constituted of nickel and molybdenum carbide and a controlled...
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3956146 |
Self-lubricating wear-resistant composite materials
Self-lubricating wear-resistant composite materials are produced by blending a metal powder matrix with a combination of molybdenum disulfide and tungsten disulfide powders, compression-molding the...
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3918923 |
Wear resistant sintered alloy
An iron base sintered alloy having high wear resistance produced in a feasible and effective way, provided by compounding molybdenum disulfide or the like metal sulfide having its melting point...
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3893848 |
Valve seat material for internal combustion engines and the similar material
A valve seat material for an internal combustion engine, which comprises an iron base alloy matrix having dispersed therein a member selected from the group consisting of Pb and a Pb compound and...
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3891398 |
Disc brake pads formed from two sintered metallic layers
A monolithic block of friction material comprises two adjacent layers formed from metallic powders and the matrices of the two layers comprise the same metal of a wear-resistant nature, for example...
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3888795 |
Uh3 cermet
UH 3 -Ductile metal cermet is used as a radiation shield in a shipping cask for spent nuclear fuel rods.
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3883314 |
Self-lubrication bearing member
The present invention relates to a self-lubricating bearing member comprising a metallic base material, the pores of which are filled with a lubricant. It also relates to a process for the...
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3880600 |
Self-lubricating slide element
A self-lubricating slide component is made from a sintered material which includes graphite in a metal phase. The metal phase consists of one or more nitride or carbo-nitride forming metal elements...
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3865584 |
Articles for adding manganese to aluminum
A method, articles and compositions are described for the direct addition of manganese metal to molten aluminum, which provide more rapid dissolution of the manganese in the aluminum that has been...
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3863318 |
High temperature-resistant wearproof sintered alloys
This invention relates to iron base sintered alloys which excel in high temperature resistance and wear resistance and are especially suited for use in the valve seats of an internal combustion...
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3853640 |
LUBRICANTS FOR PRESSING TRANSITION METAL-RARE EARTH POWDER TO BE SINTERED
An organometallic compound useful as a lubricant is admixed with a magnetic transition metal-rare earth alloy powder and the mixture is pressed to form a green body. The green body is heated to...
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3853572 |
POWDER METAL MIX CONTAINING CARBONACEOUS BINDER AND GREEN COMPACTS MADE THEREFROM
Iron and/or copper powder metal mixes to which about 0.5 percent to about 12 percent coal tar pitch is added can be cold-pressed into green compacts having improved green strength. The green...
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3807970 |
DRILL PROOF PLATE FOR SAFES
A plate structure for safes, vaults and the like, and a method of making it, wherein the plate comprises two or more metallic sheets fused together to form a unitary structure. The plate structure...
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3804600 |
SINTERED POROUS IRON ARTICLE IMPREGNATED WITH OLEIC ACID AND AN INHIBITOR FOR FORMING MATCHING SURFACES BY FRICTION
A process is disclosed for forming relatively moving metal parts with matching surfaces by preparing at least one part from porous sintered iron, impregnating the pores of the sintered iron part...
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3795493 |
BEARING MATERIAL FOR DRY OPERATION OF THE SINTERED BRONZE TYPE
A bearing material for dry operation of the sintered bronze type with a solid lubricant additive, particularly graphite, in a proportion amounting to 12 to 20%, and with at least one element...
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3791800 |
POWDER METALLURGY ALUMINUM PARTS
A powder metallurgy aluminum article and a method of producing it in which a lubricant is mixed with an aluminum powder of selected particle shape and size and the mixture is cold compacted to a...
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3773474 |
MULTI-PHASE STRIP FROM PARTICLE AND POWDER MIXTURES
An article or strip formed by compacting coarse metal particles or a mixture of coarse metal particles and a fine powder. The invention is particularly directed to the formation of multi-phase...
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3755164 |
BEARING COMPOSITION
A self-lubricating solid bearing having oxidation resistant lubricants of aluminum phosphate, barium fluoride and calcium fluoride, dispersed throughout a matrix of silver containing an additive...
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3696486 |
STAINLESS STEELS BY POWDER METALLURGY
This invention relates to the powder metallurgy of dispersion strengthened stainless steel and also to dispersion strengthened precipitation hardenable stainless steels and wrought products...
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3655425 |
CERAMIC CLAD FLAME SPRAY POWDER
A flame spray powder comprises finely-divided core particles of a metal or a metal alloy coated with discrete particles of a ceramic or cermet that remains in solid phase at least 100°F above the...
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3650715 |
ABRASIVE COMPOSITIONS
Abrasive compositions and articles such as grinding wheels and hones formed therefrom which abrasive compositions contain from 6 to 35 volume percent of diamonds from 5 to 65 volume per cent of a...
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3623981 |
COMPOSITE BEARING MATERIALS
Composite bearing materials having markedly reduced wear are obtained by incorporating carbon fibers of high tensile strength and Young's Modulus in a metal matrix. Advantageously a lamellar solid,...
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3523079 |
ELECTRICALLY CONDUCTIVE SOLID LUBRICANT MEMBERS AND PROCESS AND APPARATUS EMPLOYING THEM
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3520704 |
BRAZING PELLET
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3515524 |
SINTERED CARBIDE COMPOUND
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3486948 |
REGENERATING COMPOSITION FOR SOLDERING IRONS
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3479289 |
HIGH STRENGTH,SELF-LUBRICATING MATERIALS
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3457051 |
METALLIC REFRACTORY COMPOSITIONS
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3453103 |
METHOD OF SINTERING NICKEL-BRONZE ARTICLES
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3427244 |
SOLID LUBRICANT COMPOSITES
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3419363 |
Self-lubricating fluoride-metal composite materials
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3402035 |
Abrasive wheel having a metal coated graphite lubricant therein
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3401024 |
Electrical contact material
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3389981 |
Method of bonding diamond and metal
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3369879 |
Method of making a peripheral diamond grinding wheel
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3353932 |
Composite material and method for making same
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