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7547346 |
Metal powder with nano-composite structure and its production method using a self assembling technique
Methods, apparatuses and systems for producing powder particles of extremely small, highly uniform spherical shape and high sphericity, composed of metal including single metals and alloys,...
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7374840 |
Centrifugally atomized zinc alloy powder for alkaline batteries
This invention relates to centrifugal atomized zinc alloy powders for alkaline batteries consisting of (a) 0.005-2% by weight of indium, and 0.005-0.2% by weight of either one of Al and Bi, or (b)...
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7131597 |
Atomization technique for producing fine particles
This disclosure relates to a novel process for atomizing a liquid material or a mixture of liquid materials. More specifically, this disclosure advances the art by utilizing the inertial forces...
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6916385 |
Method of manufacturing magnet materials, and ribbon-shaped magnet materials, powdered magnet materials and bonded magnets
Disclosed herein is a method of manufacturing a magnetic material which can provide a bonded magnet having excellent magnetic properties and having excellent reliability. A melt spinning apparatus ...
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6830633 |
Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic materials and bonded magnets
A magnetic material manufacturing method, a ribbon-shaped magnetic material manufactured by the method, a powdered magnetic material formed from the ribbon-shaped magnetic material and a bonded...
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6617504 |
Thermoelectric element, method of fabricating the same, and thermoelectric module employing the same
A method of fabricating a thermoelectric element of enhanced thermoelectric performance is provided by improving the preparation of thermoelectric material and employing hot plastic working in...
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6423113 |
Continuous fluid atomization of materials in a rapidly spinning cup
Fine powders are made from molten metals and alloys on a continuous basis. A rapidly spinning shallow cup has an atomizing fluid such as water, oil or any other hydrocarbon supplied to the cup to...
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5922102 |
Procedure for manufacturing zinc particles
A procedure for making zinc particles of a size, shape and composition such that the particles can be subsequently used in a process for manufacturing zinc parts from such particles in either...
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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...
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5738705 |
Atomizer with liquid spray quenching
Method and apparatus for making metallic powder particles wherein a metallic melt is atomized by a rotating disk or other atomizer at an atomizing location in a manner to form molten droplets...
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5735931 |
Slag granulation method and apparatus
A granulator comprises a rotary atomizer on to which the molten material to be granulated is poured in a stream. The rotation of the atomizer causes the molten material to be ejected therefrom in...
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5605560 |
Method of producing an atomized alloy power
Alloy powder which is low in price and is unlikely to be oxidized on the surface, and a dispersion-type conductor using the alloy powder in which electromigration is not likely to occur. Melt of...
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5534086 |
Method for making a cobalt-boride dispersion-strengthened copper
A dispersion-strengthened copper alloy is disclosed having an exceptional combination of strength, ductility, and thermal conductivity. The copper alloy comprises: copper, 0.01 to 2.0 weight %...
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5520748 |
Process for manufacturing Alnico system permanent magnet
A process for manufacturing an Alnico system permanent magnet is disclosed in which the alloy powder of the Alnico system having the proper composition is manufactured through a rapid...
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5409521 |
Slag granulation
A granulator comprises a rotary atomiser (1) on to which the molten material to be granulated is poured in a stream. The rotation of the atomiser (1) causes the molten material to be ejected...
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5302182 |
Method of preparing particles with a controlled narrow distribution
The method for preparing metal powders with a narrow particle size distribution includes providing a disintegrator with a working chamber containing counter-rotating disks equipped with teeth...
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H001193 |
Method of producing copper alloys with manganese and selenium to improve thermal stability
This invention describes a process for producing copper alloys by rapid sdification in order to improve their strength and thermal stability after being exposed to elevated temperatures. The method...
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5013346 |
Method of making additive powders for coating materials or plastics
The present invention provides an additive powder for coating materials or plastics, comprising a particle of a metal or glass, comprised of a particle having a thickness of 0.5 to 5 μm, a minor...
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4900355 |
Method for making high-purity metal powder by jet-cooling
A dry method for making high-purity metal powder through quenching, by melting metal in a melting vessel with high-frequency induction in vacuo or in an inert gas atmosphere, lowering the melting...
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4886547 |
Powder manufacturing apparatus and method therefor
The present invention provides a method of efficiently and stably manufacturing a high-purity metal powder of a desired particle size, which is used for powder metallurgy or the like, by generating...
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4768577 |
Dissolution of inert gas in a metal alloy
A metal powder is produced by inert gas atomization processes. The atomizon process is regulated to provide a preselected level of inert gas alloyed in the metal.
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4560404 |
Method of producing material for superconductor
A method of producing a composite material of and Nb or V used for a superconductive wire comprises vacuum - melting two kinds of raw materials, 70 wt % Cu and 30 wt % Nb or V to form a melt;...
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4540546 |
Method for rapid solidification processing of multiphase alloys having large liquidus-solidus temperature intervals
Rapid solidification processing by liquid quenching is made practical for multiphase alloys having relatively large liquidus-solidus temperature intervals by a new processing technique termed "melt...
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4435342 |
Methods for producing very fine particle size metal powders
A method is provided for producing ultra fine particles of metal by delivering a molten stream of metal onto a rotating primary annular surface, discharging molten fine droplets from the edge of...
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4415511 |
Rotary atomizing process
In the process of forming metal powders by rotary atomization, the atomizer disk is first coated with a stable compound of the molten metal to be poured or, if the metal to be poured is an alloy,...
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4402884 |
Method for producing ferro-nickel shots
A method for producing ferro-nickel shots which comprises adding a manganese source to molten ferro-nickel, pouring the molten ferro-nickel containing manganese onto a rotating disc to granulate...
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4347199 |
Method and apparatus for rapidly freezing molten metals and metalloids in particulate form
Described are a method and apparatus for freezing molten metals and metalloids in particulate or flake form at very rapid cooling rates. A volatile coolant liquid is fed to the center of a rapidly...
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4343750 |
Method for producing metal powder
A method is set forth wherein powder is produced by melting metal in a melting furnace where it is then poured into a tundish which directs the molten metal onto a spinning disc means. The tundish...
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4321086 |
Preparation of micron sized metal droplets
The preparation of micron sized droplets of high melting point metals by shearing the metal in the molten state into micron sized droplets while in a carrier in the form of a molten inorganic salt,...
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4259270 |
Apparatus and method for the manufacture of splat foils from metallic melts
An apparatus is disclosed for manufacturing splat foils by disintegration and rapid solidification of metallic melts. The apparatus has a self-consuming electrode disposed above a rotatable counter...
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4226644 |
High gamma prime superalloys by powder metallurgy
A series of superalloy compositions are described, which when processed according to a described processing sequence, produce homogeneous superalloy articles which contain an exceptionally high...
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4218410 |
Method for the production of high-purity metal powder by means of electron beam heating
High-purity metal powder is made by the electron beam melting of a starting material in rod form in a vacuum wherein the molten metal is momentarily caught on a spinning plate rotating at high...
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4178335 |
Method of producing solid particles of metal
A rotary liquid metal atomizer is positioned to receive a stream of molten metal on the top thereof. The atomizer is formed as a hollow disc means having a concave top surface and mounted for...
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4069045 |
Metal powder suited for powder metallurgical purposes, and a process for manufacturing the metal powder
A steel powder suited for powder metallurgical purposes consists of an amorphous to compact-grained, essentially dendrite-free material with irregularly cornered particle shape. Such a steel powder...
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4063942 |
Metal flake product suited for the production of metal powder for powder metallurgical purposes, and a process for manufacturing the product
A steel flake product, suitable for being crushed or ground to form a steel powder for powder metallurgical purposes, consists of a plurality of relatively thin, brittle and easily crushed,...
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4027718 |
Process for manufacturing a reinforcing material for concrete
An improved reinforcing material for concrete is manufactured by causing molten steel to impinge upon a relatively cold metal surface of great cooling capacity, moving rapidly substantially across...
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3887667 |
Method for powder metal production
A method for producing pre-alloyed metallic powder which utilizes a pair of electrodes and a reservoir to accomplish its objectives. An arc is struck between a consumable electrode and a second...
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3872193 |
Process for producing powdered superalloys
A process produces the pre-alloyed superalloy powders having the constituents homogeneously dispersed throughout and of high purity by placing a shaped article of preselected metallic content in an...
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2934787 |
Method of forming non-spherical atomized particles of magnesium and its alloys
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2897539 |
Disintegrating refractory metals
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2845262 |
Apparatus for conditioning materials
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