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7615097 Nano powders, components and coatings by plasma technique  
Ultra fine and nanometer powders and a method of producing same are provided, preferably refractory metal and ceramic nanopowders. When certain precursors are injected into the plasma flame in a...
7582135 Process for producing ultrafine particles  
The ultrafine particle producing process introduces materials for producing ultrafine particles into a thermal plasma flame under reduced pressure to form a vapor-phase mixture, introduces a...
7572315 Process for the synthesis, separation and purification of powder materials  
The invention concerns a process for the spheroidisation, densification and purification of powders through the combined action of plasma processing, and ultra-sound treatment of the...
7520914 Nickel powder for use as electrodes in base metal electrode multilayered ceramic capacitors  
The invention relates to new and useful nickel powders, particularly powders for use as an electrode material.
7494527 Process for plasma synthesis of rhenium nano and micro powders, and for coatings and near net shape deposits thereof and apparatus therefor  
The process for the synthesis of rhenium powders comprises the injection of ammonium perrhenate powder through a carrier gas in a plasma torch of a plasma reactor operated using a mixture including...
7431750 Nanostructured metal powder and method of fabricating the same  
The present invention relates to a nanostructured metal powder and a method of fabricating the same. A twin-wire electric arc process is performed to melt the wire tips, and metal melt is formed....
7399335 Method of preparing primary refractory metal  
A method of preparing primary refractory metals (e.g., primary tantalum metal) by contacting a particulate refractory metal oxide (e.g., tantalum pentoxide) with a heated gas (e.g., a plasma), is...
7374598 Methods and apparatus for spray forming, atomization and heat transfer  
The present invention is directed to methods and apparatus that use electrostatic and/or electromagnetic fields to enhance the process of spray forming preforms or powders. The present invention...
7300672 Titanium-group metal containing high-performance water, and its producing method and apparatus  
Produce titanium-group metal micro-dispersion water that contains ion vapor of titanium-group metal in micro-dispersed state and that can be used as a material for health products, medical...
7300491 Method and apparatus for the production of metal powder  
Provide a method and apparatus for producing, in an economical manner, metal powder offering high purity and comprising uniform particle shape and size. Produce metal powder of titanium metal,...
7229485 Plasma reduction processing of materials  
In a process for the reduction of a metalliferous ore or concentrate the ore or concentrate is first prepared into a particulate form. A reaction chamber ( 3, 103, 203, 301, 401, 503, 603, 702 ) is...
7022155 Plasma arc reactor for the production of fine powders  
A plasma arc reactor and process for producing a powder from a solid feed material, for example aluminium, is provided. The reactor comprises: (a) a first electrode ( 5 ), (b) a second electrode (...
6989127 Health ornament containing titanium powder and method for manufacturing thereof  
Manufacture health ornaments such as necklaces, bracelets and wristbands that provide sufficient health-promoting function and effective therapeutic action for a long time, by burning a gaseous...
6939389 Method and apparatus for manufacturing fine powders  
The manufacture of pure, fine spherical powders has always been a problem for many materials, particularly for high-melting and highly reactive materials such as titanium, tantalum, vanadium and...
6821500 Thermal synthesis apparatus and process  
An apparatus for thermal conversion of one or more reactants to desired end products includes an insulated reactor chamber having a high temperature heater such as a plasma torch at its inlet end...
6786950 High purity fine metal powders and methods to produce such powder  
Methods of producing metal and alloy fine powders having purity in excess of 99.9%, preferably 99.999%, more preferably 99.99999% are discussed. Fine submicron and nanoscale powders discussed...
6755886 Method for producing metallic microparticles  
Method for producing metallic particles. The method converts metallic nanoparticles into larger, spherical metallic particles. An aerosol of solid metallic nanoparticles and a non-oxidizing plasma...
6689192 Method for producing metallic nanoparticles  
Method for producing metallic nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating non-oxidizing plasma with a plasma hot zone at a temperature...
6676728 Sputtering target, method of making same, and high-melting metal powder material  
There is provided a method of making a high-melting metal powder which has high purity and excellent formability and, particularly, of a metal powder of spherical particles made of Ta, Ru, etc....
RE37853 Fast quench reactor and method  
A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a restrictive convergent-divergent nozzle at its outlet end....
6428600 Process for producing spheroidized hard material powder  
The spheroidized hard material powders are produced by introducing a finely ground basic mixture of hard material into a thermal, inductively coupled high-frequency plasma so that at the same time...
6379419 Method and transferred arc plasma system for production of fine and ultrafine powders  
The present invention is concerned with a method for the production of fine and ultrafine powders of various materials such as metals, alloys, ceramics, composites etc., through a transferred arc...
6277169 Method for making silver-containing particles  
Provided are silver-containing powders and a method and apparatus for manufacturing the silver-containing particles of high quality, of a small size and narrow size distribution. An aerosol is...
5958105 Process for preparing metallic beryllium pebbles  
A method for stably producing metal beryllium pebbles each ranging from 0.1 to 1.8 mm in particle diameter and 0.05 to 0.6 mm in crystal grain average diameter. The metal beryllium pebbles obtained...
5935461 Pulsed high energy synthesis of fine metal powders  
Repetitively pulsed plasma jets generated by a capillary arc discharge at high stagnation pressure (>15,000 psi) and high temperature (>10,000 K) are utilized to produce 0.1-10 μm sized...
5855642 System and method for producing fine metallic and ceramic powders  
A system and method for producing fine powders. The system includes a rotary atomization device for forming a moving flow of a molten source material; a source of atomizing material; a nozzle for...
5846289 Agglomerated anti-friction granules for plasma deposition  
A collection of agglomerated anti-friction grains for plasma deposition, the grains each consisting essentially of (a) H 2 O atomized stainless steel particles, (b) solid lubricant particles...
5707419 Method of production of metal and ceramic powders by plasma atomization  
A metal or an alloy thereof, or a ceramic that has a liquid phase is introduced in the form of a rod or a wire or as a liquid stream into the apex formed by a plurality of converging plasma jets....
5578108 Ultrafine particles of amorphous metal and method for production thereof  
Ultrafine amorphous metal particles which combine the properties of ultrafine particles with those of an amorphous alloy and a method for the production thereof are disclosed. The ultrafine...
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...
5433978 Method of making quasicrystal alloy powder, protective coatings and articles  
A method of making quasicrystalline alloy particulates wherein an alloy is superheated and the melt is atomized to form generally spherical alloy particulates free of mechanical fracture and...
5399832 Process and apparatus for using atmospheric-pressure plasma reactions  
A grounded electrode and a high-voltage applying electrode, each obtained by covering a metal electrode with a dielectric are housed at least within a reactor apparatus. A rare gas can be...
5350437 Method of manufacturing an alloy powder with hard particles dispersed therein  
This invention provides a minute alloy powder with hard particles uniformly dispersed therein. The alloy powder may be used as a grinder material for finishing a specular surface or surfaces of...
5294242 Method for making metal powders  
A metal powder is produced by atomizing molten metal in an electric arc spray gun and rapidly quenching the resulting droplets in a liquid cryogen to form fine, highly spherical, oxide-free...
5259593 Apparatus for droplet stream manufacturing  
A method of manufacture of a net form product, including directing a stream of liquid from a nozzle onto a collector of the shape of the desired product, applying a disturbance to the stream,...
5221322 Method of making ferromagnetic ultrafine particles  
Ultrafine particles of Fe-Co-P material with a Fe/Co atomic ratio of from 95/5 to 70/30 and a (Fe+Co)/P atomic ratio of from 85/15 to 60/40 show improved ferromagnetic properties. The average...
5217747 Reactive spray forming process  
A reactive spray forming process comprises generating a molten spray of metal, and reacting such molten spray of metal in flight with a surrounding hot metal halide gas to form a desirable alloy,...
H001146 Plasma spraying tungsten heavy alloys  
Tungsten heavy alloys comprising by weight from about 80 to about 100% tuten and from about 0 to about 20% of one or more heavy alloying metals are produced by introducing powders of tungsten and...
5147448 Techniques for producing fine metal powder  
Techniques for producing fine metal powder are described, including producing droplets of molten metal to be formed into a powder, providing an environment including a substance specifically...
5133800 Fabrication of cryogenic refrigerator regenerator materials by spark erosion  
Materials for cryogenic refrigerator regenerators are formed by a high yield spark erosion cell. The materials are made of erbium or dysprosium and are spherical shaped. The spheres have a diameter...
5120352 Method and apparatus for making alloy powder  
An improved method for making a metal powder employs improved apparatus comprising, in combination, a fluid-cooled hearth for receiving metallic material which defines an alloy and which is to be...
5114471 Hydrometallurgical process for producing finely divided spherical maraging steel powders  
A process comprising by producing maraging steel powder comprises forming an aqueous solution of iron, cobalt, nickel and molybdenum metals values in a predetermined ratio, forming a reducible...
5102452 Method for the treatment and production of free-flowing WC-Ni-Co powders  
The invention relates to a method for the treatment and production of material, particularly for the treatment and production of free flowing, finely divided metal powder or metal matrix composite...
5073193 Method of collecting plasma synthesize ceramic powders  
A system for producing ceramic or cermet material in a plasma type thermal reactor wherein a reactor flame and reactants are introduced into one end of a reaction chamber through which a concentric...
4927456 Hydrometallurgical process for producing finely divided iron based powders  
A process for producing finely divided spherical iron group based metallic powders comprises forming an aqueous solution containing a source of the appropriate metal sources in a mineral acid,...
4913731 Process of making prealloyed tungsten alloy powders  
A process for forming particulate tungsten alloys from the individual metal sources comprises forming an aqueous solution containing the individual metals for producing tungsten heavy alloys,...
4885028 Process for producing prealloyed tungsten alloy powders  
A process for forming particulate tungsten heavy alloys from agglomerated material containing the individual metals by using a high temperature zone is improved by retaining the material in the...
4812166 Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor  
Ultrafine particles of metals, metallic compounds, and ceramics can be produced by heating a starting material supplied hermetically with a plurality of direct current plasma currents combined at a...
4802915 Process for producing finely divided spherical metal powders containing an iron group metal and a readily oxidizable metal  
Alloys of a first group of metals containing at least one iron group metal and one or more easily oxidizable metals can be formed by forming an aqueous solution of the first group of metals,...
4783218 Process for producing spherical refractory metal based powder particles  
A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of refractory metal based spherical particles and is essentially free of...
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