Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures inventions 05/06

20060107788 - Method for producing metal powder and formed product of raw material for metal: The present invention provides a metal powder production process capable of efficiently producing a metal at high purity directly from a metal compound, and preferably enables the process to be carried out continuously. The metal powder production process according to the present invention is a process for producing a metal...

20060107789 - 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 (10) which is adapted to be spaced apart from the first electrode by a distance sufficient to achieve...

20060107790 - System and method of producing metals and alloys: A system for producing an elemental material or an alloy thereof from a halide of the elemental material or halide mixtures comprising a reactor for introducing the vapor halide of an elemental material or halide mixtures thereof into a liquid phase of a reducing metal of an alkali metal or...

20060107791 - Silver powder and method for producing same: After a reducing agent is added to a water reaction system containing silver ions to deposit silver particles by reduction, the silver particles are dried to obtain a silver powder which is heat-treated at a temperature of higher than 100° C. and lower than 400° C. The silver powder thus...

20060107792 - Method for producing fine, low bulk density, metallic nickel powder: A method of producing a fine, low bulk density nickel powder, comprising a) charging particles of at least one reducible nickel salt within a furnace so as to form a moving bed of furnace charge, and b) reducing the furnace charge with a H2 containing gas at a temperature ranging...

20060107793 - Method of concentrating fine particle dispersion and method of recovering fine particle: A method for concentration of fine particles dispersed in a dispersion into an ionic liquid comprising, adding an ionic liquid, especially an organic ionic liquid at ordinary temperature, e.g., a salt of 1-butyl-3-methylimidazolium with PF6− to a dilute dispersion of fine particles so as to concentrate the fine particles into...

20060107794 - Method and apparatus for decontaminating molten metal compositions: A method and apparatus for decontaminating molten metal compositions. A molten metal composition (typically containing elemental lead or a lead alloy) is initially provided which also includes various inorganic contaminants. The composition is placed in contact with a specialized decontamination member which actively allows diffusion of the contaminants therein. As...

20060101943 - Nanoparticle mixtures for hydrogen storage, transportation, and distribution: This invention uses nanoparticle mixtures to broaden the range of economic materials, improve performance across this broader range, and thereby lower costs of hydride and other storage systems. Nanoparticles can have dramatically different mechanical, chemical, electrical, thermodynamic, and/or other properties than their parent (precursor) materials. Because of this fundamental characteristic,...

20060101944 - High surface area iron material prepared from a low surface area iron metal precursor: A method for producing a high surface area iron material starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area...

20060101945 - Method for producing a hard metal stock: According to the invention, the wet slurry -3- is applied to a moving carrier belt -1- with a solids content of from 75% by weight to 95% by weight and in a layer thickness of from 0.2 mm to 2 mm. As it passes through a drying zone -4-, the...

20060096415 - Microwave treatment of ores: A method of treating ore particles to facilitate subsequent processing of the ore particles to recover valuable components from the ore is disclosed. The method includes exposing the ore particles to microwave energy and causing structural alteration of the ore particles. In one embodiment structural alteration is achieve without significantly...

20060096416 - Refining agent and refining method: A refining agent containing Al, MgO and CaO as main components, wherein dolomite is a MgO source and a CaO source. When the refining agent is supplied into molten iron, Mg vapor is produced due to a reaction in the molten iron, and causes a refining reaction by the Mg...

20060096417 - 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 (10) which is adapted to be spaced apart from the first electrode by a distance sufficient to achieve...

20060096418 - Process for the production of niobium and/or tantalum powder with large surface area: The present invention refers to a process for production of a powder of niobium and/or tantalum having high purity, large specific surface area, controlled contents of oxygen and nitrogen, and a morphology that is adequate for use in the manufacture of capacitors, characterized by including one sole step of reduction...

20060096419 - Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or lead: A method of reduction treatment of metal oxides characterized by using as a material a powder containing metal oxides and containing alkali metals and halogen elements and further, in accordance with need, carbon, mixing said material with water to produce a slurry, then dehydrating this and charging the dehydrated material,...

20060096420 - Method for reducing chromium containing raw material: An object of the present invention is to provide a method for reducing a chromium-containing material at a high chromium reduction degree. In the method of the present invention, a mixture of a feedstock containing chromium oxide and a carbonaceous reductant is heated and reduced by radiation heating in a...

20060090592 - Liquid, its use for the preparation of powder mixtures on the basis of iron or stainless steel as well as a method for the preparation of powder mixtures on the basis of iron or stainless steel: A liquid for the preparation of powder mixtures on the basis of iron or stainless steel, comprising water, an inhibitor, and a stabilizer, and a method of forming the same....

20060090593 - Cold spray formation of thin metal coatings: The invention relates to an adaptation of the cold spray process to provide a method of coating fine metal particles, including aluminum and copper, onto a work piece. In one embodiment, the invention is a metal agglomerated hard sphere composition capable of providing about a 1 micron or thicker coating...

20060090594 - Mixed powder for powder metallurgy and green compact using the same: A mixed powder for powder metallurgy to be used as a feedstock of a green compact includes an iron powder and/or an iron alloy powder, a component for improving mechanical properties, and a thermosetting resin powder. In the mixed powder, the thermosetting resin powder is composed of at least one...

20060090595 - Method and apparatus for producing fine particles: The present invention provides a method and apparatus for producing fine particles. According to the production method, a molten material 1 which has been formed by melting a raw material to be formed into fine particles is supplied in the form of droplets 1a or a jet flow to a...

20060090596 - Aqueous-based method for producing ultra-fine metal powders: The present invention provides a method for forming compositions having a plurality of ultra-fine metallic particles, and the metallic composition produced therewith. Also provided is a substrate coated with the plurality of ultra-fine metallic particles obtained in accordance with the method of the present invention....

20060090598 - Aqueous-based method for producing ultra-fine silver powders: The present invention provides a method for forming compositions having a plurality of ultra-fine metallic particles, and the metallic composition produced therewith. Also provided is a substrate coated with the plurality of ultra-fine metallic particles obtained in accordance with the method of the present invention....

20060090597 - Polyol-based method for producing ultra-fine metal powders: The present invention provides a metallic composition, which contains a plurality of ultra-fine metallic particles (e.g., ultra-fine copper, nickel, or silver particles) having at least one desirable feature, such as, tight size distribution, low degree of agglomeration, and high degree of crystallinity and oxidation resistance. The present invention further provides...

20060090599 - Polyol-based method for producing ultra-fine silver powders: The present invention provides a metallic composition, which contains a plurality of ultra-fine metallic particles (e.g., ultra-fine copper, nickel, or silver particles) having at least one desirable feature, such as, tight size distribution, low degree of agglomeration, and high degree of crystallinity and oxidation resistance. The present invention further provides...

20060090600 - Polyol-based method for producing ultra-fine copper powders: The present invention provides a metallic composition, which contains a plurality of ultra-fine metallic particles (e.g., ultra-fine copper, nickel, or silver particles) having at least one desirable feature, such as, tight size distribution, low degree of agglomeration, and high degree of crystallinity and oxidation resistance. The present invention further provides...

20060090601 - Polyol-based method for producing ultra-fine nickel powders: The present invention provides a metallic composition, which contains a plurality of ultra-fine metallic particles (e.g., ultra-fine copper, nickel, or silver particles) having at least one desirable feature, such as, tight size distribution, low degree of agglomeration, and high degree of crystallinity and oxidation resistance. The present invention further provides...

20060090602 - Heap leaching: A method of leaching a metal value from a heap of a metal-containing ore and a heap leaching operation are disclosed. The method includes establishing a downward flow of a leach liquor through a section of the heap by supplying the leach liquor onto a top surface of the section...