Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures inventions 10/06

20060236811 - Thermal and electrochemical process for metal production: A system for purification of high value metals comprises an electrolytic cell in which an anode formed of a composite of a metal oxide of the metal of interest with carbon is electrochemically reduced in a molten salt electrolyte....

20060236812 - Method for the pyrometallurgical producing of copper in a converter: The invention relates to a method for the pyrometallurgical production of copper in a converter is provided. According to said method, gas is introduced into the respective molten charge during all steps thereof (charging the converter with cupriferous crude melt, treating the molten charge to obtain Cu2S and slag, removing...

20060236813 - Production of fine particle copper powders: A process for producing sub-micron-sized copper powder comprising the steps of: providing a precursor composition comprising a solution of copper monoethanolamine complex; and heating the precursor composition to a temperature wherein copper monoethanolamine complex is converted to copper powder. A process for producing nickel powder comprising the steps of: providing...

20060230876 - Method for producing alloy ingots: The invention relates to a method of producing metallic and intermetallic alloy ingots by continuous or quasi-continuous billet withdrawal from a cold wall crucible, which is characterized in that the alloy material is continuously or quasi-continuously supplied in a molten and pre-homogenized state to a cold wall induction crucible....

20060230877 - Nitrogen-containing metal powder, production process thereof, and porous sintered body and solid electrolytic capacitor using the metal powder: An object of the present invention is to provide nitrogen-containing metallic powder at high productivity, which powder contains a metal such as niobium or tantalum containing nitrogen uniformly, and enables production of an anode electrode that has high specific capacitance and low leakage current and that exhibits excellent reliability for...

20060230878 - System and method of producing metals and alloys: A system and method of producing an elemental material or an alloy from a halide of the elemental material or halide mixtures. The vapor halide of an elemental material or halide mixtures are introduced into a liquid phase of a reducing metal of an alkali metal or alkaline earth metal...

20060230880 - Method and plant for the heat treatment of solids containing iron oxide: A method for the heat treatment of solids containing iron oxide, in which fine-grained solids are heated to a temperature of about 630° C. in a fluidized-bed reactor (1). To improve the utilization of energy, it is proposed to introduce a first gas or gas mixture from below through a...

20060230879 - Method and plant for the heat treatment of sulfidic ores using annular fluidized: The invention relates to a method and a plant for the heat treatment of sulfidic ores, in which solids are heated to a temperature of approximately 450 to 1500° C. in a fluidized bed reactor (1). In order to improve the energy utilization, it is proposed to introduce a first...

20060225533 - Aluminum flake pigment, paint composition and ink composition containing the same, and films thereof: In order to provide an aluminum flake pigment having excellent metallic luster, fine-grainedness and a plating-like appearance presenting silvery classiness, an aluminum flake pigment, obtained by grinding aluminum powder in an organic solvent, having an average thickness (t) in the range of 0.025 μm to 0.08 μm and an average...

20060225534 - Production of nickel nanoparticles from a nickel precursor via laser pyrolysis: The present invention discloses a process for producing nickel nanoparticles. The process involves heating a nickel precursor generated in situ in the presence of a carrier gas under conditions effective to decompose the nickel precursor and produce nickel nanoparticles....

20060225535 - Magnetic nanoparticles: Nanoparticle sized metal or alloy is synthesized through a reverse micelle system which includes the steps of a) forming a concentrated aqueous solution of transition metal salts with platinum salts b) dispersing the metal salt solution in a non aqueous solution of a surfactant c) adding a reducing agent to...

20060219052 - Method and a device for detecting slag: The invention relates to a method and a device of detecting the presence of slag in a shroud (4) through which molten metal passes from a ladle (2) to a tundish (6). A transmitting coil (20) generates an electromagnetic field. An induced voltage generated at a receiving coil (24) is...

20060219053 - Method and apparatus for producing metal: The present invention relates to a method for producing a metal by a direct oxide reduction process with Ca. A CaCl2-based molten salt containing Ca is held in a reduction chamber 1, a metal oxide is introduced into the molten salt in the reduction chamber 1, and the metal oxide...

20060219054 - Wear resistant sintered member and production method therefor: A wear resistant sintered member comprising an Fe base alloy matrix and a hard phase dispersed in the Fe base alloy matrix and having an alloy matrix and hard particles precipitated and dispersed in the alloy matrix. Manganese sulfide particles having particle size of 10 μm or less are uniformly...

20060219055 - Valve metal powders: A valve metal powder by is prepared by a particular set of sequential steps that involves the use of precursor having preformed morphology. The method by which the valve metal is prepared includes a stabilization step that results in the valve metal powder having secondary and tertiary structures that each...

20060219056 - Metal powders and methods for producing the same: A method for producing a metal powder product involves: Providing a supply of a precursor metal powder; combining the precursor metal powder with a liquid to form a slurry; feeding the slurry into a pulsating stream of hot gas; and recovering the metal powder product....