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Class 148/513 - Treating loose metal powder, particle or flake


Subclass of Class 148 - Metal treatment
Definition: Process wherein (1) loose metal or metal alloy powder, particle
No. of patents: 200
Last issue date: 09/06/2011


1          
NumberTitleIssue Date
8012273Producing metallic articles by reduction of nonmetallic precursor compounds and melting
A metallic article is produced by furnishing one or more nonmetallic precursor compound comprising the metallic constituent element(s), and chemically reducing the nonmetallic precursor compound(s) to produce an initial metallic particle, preferably having a size of...
09/06/2011
7909948Alloy powder raw material and its manufacturing method
When starting raw material powder is passed through a pair of rolls (2a), plastic working is applied to the starting raw material powder, and the crystal grain diameter of a metal or alloy constituting a matrix of the powder particle after processed is...
03/22/2011
7731810Nano particle-reinforced Mo alloys for x-ray targets and method to make
A nanocomposite comprising a plurality of nanoparticles dispersed in a molybdenum-based matrix, and an x-ray tube component formed from such a nanocomposite. The nanocomposite contains volume fraction of nanoparticle dispersoids in a range from about 2 volume percen...
06/08/2010
7648595Methods of making nanoprisms
The invention is a novel photo-induced method for converting large quantities of silver nanospheres into nanoprisms, the nanoprisms formed by this method and applications in which the nanoprisms are useful. Significantly, this light driven process results in a collo...
01/19/2010
7608158Method of maintaining particle size
The present invention includes particle compositions and methods of fabrication that prevent agglomeration, thereby maintaining particle size and/or shape. Particles of the present invention were prepared after embedding chemically disordered metal-containing partic...
10/27/2009
7597769Coated silver-containing particles, method and apparatus of manufacture, and silver-containing devices made therefrom
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 generated from liquid feed and sent to a furnace, where liquid in droplet...
10/06/2009
7435360Manufacturing process of conductive composition and a manufacturing process of conductive paste
A manufacturing method of conductive paste comprising arranging process (S20 to S23) of ceramics particles, arranging process (S10 to S14) of wetted metal particles, forming process (S30) of slurry wherein metal particles and ceram...
10/14/2008
7431751Magnesium removal from magnesium reduced metal powders
A method of producing a refractory metal powder that includes providing a metal powder containing magnesium tantalate or magnesium niobate; and heating the powder in an inert atmosphere in the presence of magnesium, calcium and/or aluminum to a temperature sufficien...
10/07/2008
7399336Non-magnetic nickel powders and method for preparing the same
Provided are non-magnetic nickel powders and a method for preparing the same. The nickel powders have non-magnetic property and a HCP crystal structure. The method include (a) dispersing nickel powders with a FCC crystal structure in an organic solvent to prepare a ...
07/15/2008
7341689Pre-alloyed iron based powder
The invention concerns a new pre alloyed steel powder comprising in addition to iron and inevitable impurities, by wt %, 1.3-1.7% by weight of Cr, 0.15-0.3% by weight of Mo, 0.09-0.3% by weight of Mn, not larger than 0.01 by weight of C, not larger than 0.25% of O.
03/11/2008
7338632Hydrogen-storing alloy electrode and secondary cell using the same
A secondary cell has a hydrogen-storing alloy electrode as a negative-electrode plate 26, and the electrode contains first hydrogen-storing alloy particles 36 and second hydrogen-storing alloy particles 37. The first hydrogen-storing alloy parti...
03/04/2008
7314594Hydrogen storage alloy
A hydrogen storage alloy is provided which, when used in a battery, has high drain (power) performance and charge acceptance that are excellent, and in addition, cracks are few, and cycle life performance are excellent, to be used in large batteries, in particular f...
01/01/2008
7311991Hydrogen storage-based electrochemical system and method of preparation
A method for preparation of a hydrogen-storage based electrode comprises treating a powder comprising at least one metal hydride with a first solution. The first solution comprises a first alkaline base and a first reducing agent. The method further comprises fabric...
12/25/2007
7309374Diffusion bonded nickel-copper powder metallurgy powder
In contrast to current industrial practice where alloying powders are added to starting powder metallurgy compositions either as powder mixtures or fully prealloyed powders, the present invention posits a diffusion bonded nickel-copper precursor additive mixture for...
12/18/2007
7282079Thermal spray powder
A thermal spray powder includes cermet particles. Each cermet particle includes tungsten carbide particles having a mean primary particle size of 3 to 9 μm and metal particles or ceramic particles containing chrome. The mean particle size of the cermet particles is...
10/16/2007
7261761Metallic nickel powder and process for production thereof
A metallic nickel powder exhibits superior oxidation behavior and sintering behavior in a process for production of a multilayer ceramic capacitor, and as a result, can prevent delamination, a process for production of the metallic powder is provided. The metallic n...
08/28/2007
7252699Method for patterning metal using nanoparticle containing precursors
Continuous, conducting metal patterns can be formed from metal nanoparticle containing films by exposure to radiation (FIG. 1). The metal patterns can be one, two, or three dimensional and have high resolution resulting in feature sizes in the order...
08/07/2007
7235118Process for agglomeration and densification of nanometer sized particles
A method and product derived therefrom for consolidating nanoparticles to form particles in a micrometric size distribution. The method preserves the nanoparticles with the resultant micrometric particles. The primary processing operation is milling. ...
06/26/2007
7220397Modified oxygen reduced valve metal oxides
Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process...
05/22/2007
7172643Lead-free solder powder material, lead-free solder paste and a method for preparing same
Lead-free solder metal powder material including two or more metals capable of forming an intermetallic compound and having an unreacted phase and an amorphous phase. Further, a lead-free solder paste is prepared by mixing the powder material with a soldering flux. ...
02/06/2007
7169209Functional alloy particles
Disclosed are metal alloy particles containing substantially no lead, each exhibiting a plurality of different melting points including an original lowest melting point (a) and a highest melting point, wherein, when the metal alloy particles are subjected to differe...
01/30/2007
7160502Method for producing anode for rechargeable battery
The present invention relates to a method for readily producing an anode for rechargeable batteries having conflicting properties in good balance, including the corrosion resistance and the activities such as the initial activity and the high rate discharge performa...
01/09/2007
7156893Method of making niobium and other metal powders
Methods of forming niobium powders and other metal powders are described. The method involves milling the metal powders at elevated temperatures and in the presence of at least one liquid solvent. The methods of the present invention have the ability to reduce DC le...
01/02/2007
7157401Catalyst for the treatment of organic compounds
A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals an...
01/02/2007
7144546Nitrided valve metals and processes for making the same
Nitrided valve metals are described, such as nitrided tantalum and nitrided niobium. The nitrided valve metals preferably have improved flow properties, higher Scott Densities, and/or improved pore size distribution which leads to improved physical properties of the...
12/05/2006
7131768Extended temperature range EMF device
A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio...
11/07/2006
7108830Apparatus and method for fabricating high purity, high density metal matrix composite materials and the product thereof
A method of production of large Ingots of neutron attenuating composites using a vacuum-bellows system allows for large cross-sectional shapes to be extruded and rolled. This method uses a vacuum-bellows technology which allows the manufacturing of large 8–16 inch...
09/19/2006
7073559Method for producing metal fibers
A method of producing metal fibers including melting a mixture of at least a fiber metal and a matrix metal, cooling the mixture to form a bulk matrix comprising at least a fiber phase and a matrix phase and removing at least a substantial portion of the matrix phas...
07/11/2006
7070644Hydrogen absorption alloy electrode
A negative electrode of a battery, chiefly includes hydrogen absorption alloy particles each having a surface layer. The alloy particles satisfy R2/R1≧0.004 and 5 μm≦R1≦20 μm, or preferably 5 μm≦R1≦12.5 μm, where R1 i...
07/04/2006
7065990High contact conical bow
The handcuff assembly includes a bow pivotally connected to a cheek plate frame assembly which includes a unitized frame that is die stamped from a metal plate and which is overmolded with a polymer overmold. The bow and arcuate cheek arms engage a wrist of a person...
06/27/2006
7067021Method of manufacturing multilayer material for plain bearing
A method of manufacturing a multilayer material including a back metal and a metal plate made from a metal differing from the back metal is disclosed. The method includes heating powder of the metal formed into the metal plate in a reducing atmosphere so that an oxi...
06/27/2006
7056397Method for improving the properties of alloy powders for NiMH batteries
The invention concerns a method of improving the properties of a hydrogen storage alloy powder for a negative electrode of a rechargeable nickel hydride battery. The method comprises the steps of hydriding a powdered alloy starting material, oxidizing the obtained h...
06/06/2006
7041200Reducing particle generation during sputter deposition
In a magnetron sputtering chamber, a substrate is placed in the chamber and a deposition shield is maintained about the substrate to shield internal surfaces in the chamber. The deposition shield has a textured surface that may be formed by a hot pressing process or...
05/09/2006
6958138Supported metal catalyst, preparation and applications for directly making hydrogen peroxide
The invention concerns a supported metal catalyst based on at least one metal selected in the group M consisting of palladium, platinum, ruthenium, rhodium, iridium, holmium, osmium and gold, used for directly making hydrogen peroxide from hydrogen and oxygen. The i...
10/25/2005
6913713Photovoltaic fibers
Photovoltaic materials and methods of photovoltaic cell fabrication provide a photovoltaic cell in the form of a fiber. These fibers may be formed into a flexible fabric or textile. ...
07/05/2005
6797080Method for producing spraying material
When a chromium-iron-based alloy, preferably a chromium-iron-based alloy having a chromium content of about 60 to about 95 mass % is subjected to heat treatment at about 500 to about 1,300° C., and subsequently to grinding treatment by use of an impact mill, grinda...
09/28/2004
6773521Apparatus and process for treating a particulate material within a rotating retort
Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5...
08/10/2004
6770242Voice coil motor magnets and method of fabrication thereof
Permanent magnet for voice coil actuator motors used to actuate head-arm assemblies in small form disk drives are produced from a dispersion of prealloyed rare earth magnetic particles in a thermoplastic binder. Upon shaping of green parts the magnetic axis of the p...
08/03/2004
6764557Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy
The invention relates to a process for producing a corrosion-resistant blasting agent (>60 HRC) with sharp edges based on an Fe—Cr—C alloy. A granulate consisting of an iron-chromium-carbon alloy is hardened in said process to >60 HRC by subjecting it to a heat ...
07/20/2004
6752881Metalliferous storage material for hydrogen and method for producing same
In a metalliferous storage material for hydrogen a metal oxide is provided in or on the surface of the metalliferous materialas a catalyst for the hydrogenation or dehydrogenation of the metalliferous storage material. ...
06/22/2004
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