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5635255 |
Method for producing corrosion and wear resistant member by coating substrate with an iron alloy material powder
Erosion and wear resistant iron alloy, comprising: Cr 20.0-36.0% by weight, B 2.5-5.0% by weight, Mn 0.5-3.2% by weight, Si 0.05-0.6 by weight, Mo 0.3-2.5% by weight, V 0.05-0.3% by weight, Nb...
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5607780 |
Target for magneto-optical recording medium and process for production thereof
Disclosed are a target material for magneto-optical recording medium having a structure formed by sintering of an RE-TM phase (A) having a composition with an RE content higher than that of the...
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5605561 |
Tantalum powder and electrolytic capacitor using same
Tantalum powder obtained by adding magnesium powder to tantalum powder which is prepared by reducing potassium tantalum fluoride with sodium metal, without conventional heat-treatment for...
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5597401 |
Refractory metal SWARF composition and method of making same
A clean refractory metal SWARF particle product is made from refractory metal SWARF. The SWARF particles are produced with coolant at a temperature less than 650° C. to prevent formation of...
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5595608 |
Preparation of permanent magnet
A permanent magnet which contains R, T and B as main ingredients wherein R is Y or a rare earth element and T is Fe or Fe and Co and has a primary phase of R 2 T 14 B is produced by compacting a...
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5580367 |
Flaked tantalum powder and method of using same flaked tantalum powder
An improved flaked tantalum powder and process for making the flaked powder are disclosed. The powder is characterized by having a Scott density greater than about 13 g/in 3 and preferably at...
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5577546 |
Particulate feedstock for metal injection molding
Particles of metal alloys and composites have been developed that are particularly suitable for use in producing thixotropic alloys and in the injection molding of such alloys. The particulate...
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5571305 |
Atomized steel powder excellent machinability and sintered steel manufactured therefrom
Atomized steel powder having excellent machinability, containing about S 0.005 wt % to 0.3 wt %, Cr 0.03 wt % to 0.3 wt %, Mn 0.03 wt % to 0.5 wt %, O 0.30 wt % or less, and the balance Fe and...
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5560761 |
Tantalum powder and electrolytic capacitor using same
Tantalum powder used as an anode material for an electrolytic capacitor comprising usual tantalum powder (having an average particle size ranging from 1.0 to 5.0 μm) mixed with tantalum powder...
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5556446 |
Machinable brass compositions
Brass powder metallurgy compositions for use in manufacturing a brass part by powder metallurgy techniques. The compositions comprise from about 70-90% wt. copper, 10-30% wt. zinc, and from about...
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5549951 |
Composite ultrafine particles of nitrides, method for production and sintered article thereof
Ultrafine whiskery or columnar ceramic particles, a method for producing the ultrafine particles, and a sintered article obtained by sintering the ultrafine ceramic particles are disclosed. The...
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5545247 |
Particulate CaF.sub.2 and BaF.sub.2 agent for improving the machinability of sintered iron-based powder
The invention relates to an additive for improving the machinability of iron-based powder compositions. The additive contains a combination of calcium fluoride particles and barium fluoride...
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5536293 |
Base metal composition for external electrode of multilayer electronic component
A base metal composition for forming an external electrode of a multilayer electronic component contains 70 to 85 percent by weight of Cu, 2 to 10 percent by weight of glass frit and 10 to 28...
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5534045 |
Water-atomized iron powder and method
Water-atomized iron powder for powder metallurgy having a hardness of particle cross section of from about Hv 80 or higher to about 250 or lower, the iron powder having been atomized with water and...
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5531930 |
Aluminum metal composition flake having reduced coating
Infrared, visible or mm. radiation is screened by an aerosol comprising flakes (0.03-0.3×1.5-20 microns) of aluminum metal composition, having a mass extinction coefficient of at least 4.5 m 2 /g...
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5531922 |
Granulated particles for magnetic particles for magnetic recording, and process for producing the same
Disclosed herein are granulated particles for magnetic particles for magnetic recording, comprising: acicular ferric hydroxide oxide particles or acicular iron oxide particles; and at least one...
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5529604 |
Modified stainless steel powder composition
The present invention relates to a modified stainless steel powder composition from which moldings can be formed. The modified stainless steel powder composition comprises from about 1% to about 3%...
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5529603 |
Alloy powders for bond magnet and bond magnet
It is an object of the present invention to provide a fire resistance bond magnet having superior temperature properties and most suitable for convergence use in picture tubes for display and high...
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5525293 |
Powder metallurgical binder and powder metallurgical mixed powder
Disclosed is a powder metallurgical mixed powder capable of preventing the defective dispersion, that is, the segregation of physical property improving powders and a lubricant powder without...
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5523006 |
Ultrafine powder lubricant
An ultrafine particle copper, tin, nickel, zinc lubricant with a surface area of from 5 to 70 m 2 /g and a particle size of from about 0.01 to about 0.5 μm. The powder dispersed in a carrier to...
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5523170 |
Repaired article and material and method for making
An article with a high temperature superalloy body having a directionally oriented microsuucture and a structural discontinuity, such as a crack, or surface erosion or wear portion, is repaired, to...
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5518521 |
Process of producing a low TCR surge resistor using a nickel chromium alloy
Base metal resistors based on a new approach to alloy formation of nickel and chromium metals are presented that are rugged and offer excellent stability. Fine particle size nickel and chromium...
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5518522 |
Deformed ultra fine grains and process for producing same in bulk
A deformed ultra fine grain is comprised of a spherical body and a tail-like projection projecting from the surface of the spherical body. The tail-like projection exhibits a separating effect on...
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5512081 |
Hybrid braze alloy
A hybrid braze alloy is disclosed that includes an aluminum alloy and a magnesium alloy mixed together. In use of the hybrid braze alloy, the ratio by weight of aluminum alloy to magnesium alloy...
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5507853 |
Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder
This invention is to control the diffusion of C (carbon) from added graphite to particles of iron powder in the sintering to thereby improve the accuracy of dimensional change in the sintered body...
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5505760 |
Powder-metallurgical composition having good soft magnetic properties
The invention relates to an iron-based powder composition which, in addition to a substantially non-alloyed Fe-powder, comprises Sn and P, optionally lubricant and at most 1.0% by weight of...
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5503654 |
Fe-based alloy powder and adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same
Disclosed are an Fe-based alloy powder adapted for sintering, an Fe-based sintered alloy, and a process for producing the Fe-based sintered alloy. The Fe-based alloy powder or the matrix of the...
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5500289 |
Tungsten-based cemented carbide powder mix and cemented carbide products made therefrom
A sinterable powder mix for the production of a tungsten-based cemented carbide material, said powder mix comprising at least 70% by weight of WC, from about 2 to about 15% by weight of an iron...
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5496391 |
Material and a method for forming a protective coating on a substrate of a copper-based alloy
A powdered metallic coating material is disclosed, having the following composition (in weight percent): TBL ______________________________________ Cu: 5-30 P: 0.1-4.0 B: 0.5-4.0 Si: 0.5-4.0...
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5490870 |
Amalgamable composition and method of production
A multi-component composition suitable for amalgamation with mercury to form a dental amalgam, an amalgam and a method for producing such a multi-component composition. The multi-component...
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5484469 |
Method of making a sintered metal component and metal powder compositions therefor
Methods of making sintered parts from a metal powder composition that contains an amide lubricant are provided. The composition comprises an iron-based powder and a lubricant that is the reaction...
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5482530 |
Cobalt metal powder and composite sintered articles produced therefrom
The invention relates to cobalt metal powders as a binder metal for the production of diamond and/or hard-metal tools and/or wear-resistant coatings and to composite sintered articles produced...
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5480469 |
Powder mixture and method for the production thereof
A powder metallurgical mixture and a method for the production thereof are described. In addition to powders of base metal and additives, such as graphite, Cu, Ni, Mo, MnS, Fe 3 P etc and,...
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5472661 |
Method of adding particulate additives to metal particles
Method of distributing and retaining insoluble additive particles uniformly throughout a mass of moldable metal particles. The additive particles are suspended in a solution of a polymeric binder...
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5466277 |
Starting powder for producing sintered-aluminum alloy, method for producing sintered parts, and sintered aluminum alloy
A sintered Al-alloy, which has a composition of 0.2 to 2.0% of Mg, 10.0 to 35.0% of Si, from 0.2 to 4.0% of Cu, and Al and unavoidable impurities in balance, is produced by using a mixture of the...
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5460641 |
Metallic powder for producing pieces by compression and sintering, and a process for obtaining this powder
The invention is concerned with the production of pieces by powder metallurgy, and, more particularly, the use of powders with spherical particles, such as those obtained by pulverisation, in a gas...
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5441554 |
Alloy coating for aluminum bronze parts, such as molds
A blended flame spray powder composition is provided for use in producing a bonded wear resistant coating on an aluminum bronze substrate such as a glass mold part. The blended composition...
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5435825 |
Aluminum matrix composite powder
Disclosed herein is an aluminum matrix composite powder comprising 1 to 40% by weight of ceramic particles dispersed in a matrix of aluminum-silicon alloy. The matrix of the composite may further...
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5432223 |
Segregation-free metallurgical blends containing a modified PVP binder
A novel high-performance binder system is provided for the fabrication of segregation-free iron based powder blends. The blends are prepared by using a binder system comprising thermoplastic resin...
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5409520 |
Copper powder for solderable and electroconductive paints and process for producing the same
This invention is to offer a copper powder for solderable and conductive paints which have an improved solderability, excellent adhesion and conductivity. A copper powder for solderable and...
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5407458 |
Fine-particle metal powders
This invention relates to fine-particle powders of the metals B, Al, Si, Ti, Zr, Hf, V, Nb, Ta and/or Cr which have a defined particle size of 1.0 nm to less than 3 μm. Less than 1% of the...
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5403376 |
Particle size distribution for controlling flow of metal powders melted to form electrical conductors
Electrical conductors on printed circuit board substrates are made from metal particles having a particular particle size range distribution used to control the flow of molten metal when entering...
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5395422 |
Process of preparing nanocrystalline powders of an electroactive alloy
There are described powders comprising agglomerated nanocrystals of an electroactive alloy and oxygen. The main component of the alloy can be of nickel, cobalt, iron or mixtures thereof while the...
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5385789 |
Composite powders for thermal spray coating
Composite thermal spray powders having a core to which fine particles of exothermically reacting aluminum or aluminum alloy and iron or copper fine particles are bonded. The thermal spray powders...
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5380482 |
Method of manufacturing ingots for use in making objects having high heat, thermal shock, corrosion and wear resistance
A method of manufacturing ingots for use in making objects having heat, thermal shock, corrosion and wear resistance by formulating a composition of about 17-80% TiB 2 powder, about 0.0 to 4.0% Y...
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5376328 |
Precious metal article, method for manufacturing same, moldable mixture for use in manufacture of same and method for producing moldable mixture
There is disclosed a precious metal article which is formed of a solid-phase sintered product of a precious metal powder. For manufacturing the precious metal article, a moldable mixture which...
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5376463 |
Anisometric metal needles with L-shaped cross-section
A grating (22) of narrow parallel ridges (24) is formed in the surface (26) of a substrate (20) made of a hard material such as silicon dioxide. Metal (40) is deposited onto the grating (22)...
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5372659 |
Alloys of refractory metals suitable for transformation into homogeneous and pure ingots
An alloy comprising at least two refractory metals having melting temperatures differing by at least 200° C., and being present in proportions by weight such that solidification begins at a...
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5360494 |
Method for alloying lithium with powdered magnesium
A powdered magnesium composition is mixed with lithium dispersed in an inert, non-water absorbent, liquid medium to produce a substantially homogenous admixture that is heated to melt the lithium...
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5356453 |
Mixed powder for powder metallurgy and sintered product thereof
A mixed powder for powder metallurgy comprising a Fe powder and an alloy powder mixed together in which the mean particle size and the solidus line temperature of the alloy powder and the amount of...
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