Patents
Patents for B22F 1 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition (17,388)
10/1991
10/09/1991EP0449890A1 Process for the production of metals, alloys and ceramic materials.
10/03/1991WO1991014526A1 Machinability improving supplementary powder and iron or steel powder containing such supplementary powder
10/02/1991EP0449665A1 A process for producing a rare earth-iron-boron magnet
10/02/1991EP0449566A1 Partially hardened sintered body and method of manufacturing same
10/02/1991EP0449309A2 Method of making metalic thin film
10/02/1991CN1054921A Method for making metal fibres from spherical particles of metal powder and apparatus for carrying out method
10/01/1991CA1289779C Alloy having improved fatigue crack growth resistance
09/1991
09/25/1991CN1054732A Process for making metal fabres from spherical particles of metal powder and apparatus for effecting process
09/20/1991WO1991015018A1 Paste for high temperature baking
09/19/1991WO1991014013A1 Aluminum-chromium alloy and production thereof
09/18/1991EP0446708A2 Thermoplastic materials for manufacturing metallic articles
09/17/1991US5049528 Uniformity, two-solvent system
09/17/1991US5049450 Composite abradable coating
09/17/1991US5049184 Method of making a low thermal expansion, high thermal conductivity, composite powder metallurgy member and a member made thereby
09/17/1991US5049183 Sintered machine part and method
09/12/1991DE4106219A1 Sinter powder with increased iron content - gives prods. of improved dimensional stability and mechanical properties,increasing mfg. efficiency
09/10/1991US5046247 Coating, compression molding, insertion into pipe
09/05/1991WO1991012881A1 Process for treating a powder and device therefor
09/03/1991US5045278 Aluminum alloy and reinforcement; ball milling, consolidation
08/1991
08/28/1991CN1054022A Preparing technology for electric conducting wear-resistant alloy
08/24/1991WO1991013445A1 Copper alloy composition
08/23/1991WO1991013182A1 Deoxidation of a refractory metal
08/23/1991CA2075922A1 Deoxidation of a refractory metal
08/22/1991WO1991012076A1 Composition having air cleaning power and preparation thereof
08/22/1991DE4005328A1 Verfahren zur konditionierung eines pulvers und vorrichtung dafuer Method for conditioning a powder and apparatus therefor
08/21/1991EP0442052A1 Disc brakes friction lining, especially for road vehicles and railway vehicles
08/20/1991US5041414 Continuous, malleable, silver-plated ceramic
08/20/1991US5040718 Applying powdered mixture of low and high melting nickel alloys, heating to melt low-melting alloy, cooling to fill holes
08/14/1991EP0441607A2 Mouldable composition
08/14/1991EP0441092A1 A method and apparatus for heat treating a particulate product
08/14/1991EP0440620A1 Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it.
08/07/1991EP0440570A1 Process for sintering powders of metals, metal alloys, ceramics or cermets
08/07/1991EP0440093A1 Cast product having ceramics as insert and method of making same
08/06/1991US5037705 Shell of molybdenum oxide
08/06/1991US5037670 Method of manufacturing a low sheet resistance article
08/03/1991CA2035174A1 Sintering process for metal, metal alloys, ceramics or ceramic metal material powders
07/1991
07/30/1991US5036170 Method for cleaning ferromagnetic chip from a lubricant-coolant and an apparatus for carrying out the method
07/30/1991US5035845 Powder pressing method
07/30/1991US5035837 Containing cuprous and cupric oxide, thick films, printed circuits
07/25/1991WO1991010753A1 Metal-powder blend
07/25/1991DE4001900A1 Metallpulvermischung Metal powder mixture
07/24/1991EP0438338A1 Process for making a product from pre-alloyed powders and the product obtained from the said process
07/23/1991US5034282 Process for the powder metallurgical production of working pieces or tools and PM parts
07/18/1991DE4000885A1 Sub-microscopic particles made of at least core material and coating - are produced by feeding core particles in carrier gas to coating zone
07/16/1991US5032354 Powder metallurgy, polylactones
07/16/1991US5032353 Sintering method for producing structural components of an intermetallic compound
07/16/1991US5032193 Method of making synthetically engineered materials
07/16/1991US5032174 Powder particles for fine-grained hard material alloys and a process for the preparation of powder particles for fine-grained hard material alloys
07/11/1991WO1991009815A1 Ceramic microspheres
07/10/1991CN1052907A Stibiated iron base materials for powder metallurgy
07/09/1991US5030278 Process of restructuring a group of finely divided particles
07/03/1991CN1052703A Corrosion resisting hard alloy and its made method
07/03/1991CN1013042B Process for reduction of dispersion of mechanical characteristic values of tungsten-nickel-iron alloy
07/02/1991US5028278 Forming silicon compound and transition metal compound layers on iron oxide particle, reduction to the metal, magnetic recording media
07/01/1991EP0542733A4 Reaction injection molding of ceramic greenbodies.
06/1991
06/27/1991WO1991008850A1 Method of manufacturing minute metallic balls uniform in size
06/26/1991EP0434461A1 Ceramic microspheres
06/26/1991EP0433397A1 Heat treatment for aluminum-lithium based metal matrix composites
06/25/1991US5026519 Contacting metal powder with aqueous mixture of hydrofluoric acid and hydrochloric acid, isostaticly pressing
06/23/1991CA2033131A1 Ceramic microspheres
06/12/1991CN1052070A Method for producing ta powder used in capacitor
06/12/1991CN1012803B Process for manufacturing particulate metal composites
06/11/1991US5022935 With a metal, heating to liquify deoxidant, cooling, purification of surface
05/1991
05/30/1991WO1991007243A1 Dual processing of aluminum base metal matrix composites
05/30/1991WO1991007242A1 Treatment of metals for coating or activation
05/29/1991EP0428999A1 Binder for metal or ceramic powder
05/29/1991EP0428718A1 Improved magnetic materials and process for producing the same
05/28/1991WO1991008256A1 Material for the preparation of sintered composite materials
05/28/1991CA2069642A1 Material for the preparation of sintered composite materials
05/16/1991DE3937740A1 Prodn. of metal or alloy nano-crystals - by vaporising base material by plasma flame and condensing on cooled surface to produce particles of uniform size
05/15/1991EP0427375A2 Sintering metal powder and a process for making a sintered metal product
05/15/1991EP0427227A2 Fibrous anisotropic permanent magnet and production process thereof
05/14/1991US5015533 Member of a refractory metal material of selected shape and method of making
05/14/1991US5015289 Kneading metal powder with short fibers, such as metal or carbon fibers and an organic binder injection molding and sintering
05/14/1991CA1284144C Getter device for frit sealed picture tubes
05/14/1991CA1284022C Graded refractory cermet article
05/10/1991WO1991007244A1 Spray conversion process for the production of nanophase composite powders
05/10/1991CA2045125A1 Spray conversion process for the production of nanophase composite powders
05/08/1991EP0426212A1 Process and composition for treating metal surfaces
05/08/1991EP0151185B1 Tin-containing iron powder and process for its production
05/07/1991US5013346 Metal, alloy, glass
05/02/1991EP0425073A1 Copper paste composition
05/02/1991EP0424977A2 A method of treating particles for use in the manufacture of electromagnetic shielding material
05/02/1991EP0424739A2 Process for producing preforms from ceramic or metallic fibers
05/02/1991EP0424411A1 Process for treating metal particles against corrosion and the particles thereby obtained
05/02/1991EP0274542B1 Alloy steel powder for powder metallurgy
05/02/1991CA2028872A1 Base metal thick film resistor compositions with low sheet resistance and low temperature coefficient of resistance
04/1991
04/30/1991US5011566 Coating cleaned fibers with tube material, then controlled oxidation of fiber
04/30/1991US5011552 Method for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powder
04/30/1991US5011510 Mixing powders of diamond, boron nitride, metals; then molding, simultaneous sintering
04/23/1991US5009706 Flat crystal grains of neodymium, praseodymium and/or rare earth elements, boron, copper and iron
04/18/1991WO1991005025A1 Coated hard material particles, process for their manufacture, and use in the manufacture of stock removal tools
04/17/1991EP0422629A1 Process for treating aluminium alloy powders
04/17/1991EP0422343A1 Brazing alloy of copper, silicon, titanium, aluminum
04/10/1991EP0420962A1 Manufacture of dimensionally precise pieces by sintering.
04/10/1991CN1050563A Controlling oxygen content in tantalum material
04/10/1991CN1050562A Method for controlling oxygen content of tantalum material
04/09/1991US5006493 Novel ceramic binder comprising poly(ethyloxazoline)
04/04/1991WO1991004346A1 Recycling scrap metal
04/04/1991CA2066564A1 Recycling scrap metal