Patents
Patents for C22C 32 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ (4,767)
10/1990
10/09/1990US4961779 Aluminum composite material
10/09/1990CA1274997A1 Synthetic press roll and methods for its manufacture
10/03/1990EP0389511A1 SINTERED Fe-Nd-B MAGNET
10/02/1990US4960562 Dispersion strengthened ferritic steel cladding tube for nuclear reactor and its production method
09/1990
09/26/1990EP0388414A1 Sintered aluminium nickel alloys
09/25/1990US4959276 Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same
09/19/1990EP0388259A1 Silver and tin oxyde material for use in making electrical contacts, electrical contacts made with this material
09/19/1990EP0387491A2 Process and apparatus for manufacturing dispersion-strengthened shaped copper articles
09/11/1990US4955135 Coating walls of a foam with a heat resistant substance pyrolyzing, filling the pores and compacting
08/1990
08/29/1990EP0384608A1 Mechanically alloyed nickel-cobalt-chromium-iron composition of matter
08/28/1990US4952331 Composite magnetic compacts and their forming methods
08/28/1990US4951392 Synthetic press roll for paper machines and method for manufacturing the same
08/22/1990EP0383252A2 Improved porous nickel plaque fabrication
08/22/1990EP0382975A1 SiC-reinforced aluminum alloy composite material
08/22/1990CN1044829A Mechanically alloyed nickel-cobalt-chromiumiron composition of matter
08/21/1990US4950327 Creep-resistant alloy of high-melting metal and process for producing the same
08/15/1990CA2008371A1 Method and device for producing dispersion-hardened shaped metal parts
08/14/1990US4948424 Containing silver and oxides of copper, bismuth, and tin produced from intraoxdized alloys of the metals and zirconium oxide
08/14/1990US4947945 Tungsten
08/09/1990WO1990008612A1 Densification of ceramic-metal composites
08/08/1990EP0380973A1 Reinforced materials
08/07/1990US4946643 Dense, finely, grained composite materials
08/07/1990US4946500 Aluminum based metal matrix composites
08/01/1990EP0380220A2 Vacuum switch contact materials and the manufacturing methods
07/1990
07/31/1990US4944800 Process for producing a sintered hard metal body and sintered hard metal body produced thereby
07/24/1990US4943496 Fuel cell, electrode for the cell and method of preparation thereof
07/24/1990US4943490 Cast composite material having a matrix containing a stable oxide-forming element
07/24/1990US4943413 Process for producing an aluminum/magnesium alloy
07/17/1990US4942278 Microwaving of normally opaque and semi-opaque substances
07/17/1990US4941919 Graphite, alumina and copper, blending, alloying, spraying and sintering
07/17/1990US4941918 Sintered magnesium-based composite material and process for preparing same
07/11/1990EP0376981A1 Machine workable, thermally conductive, high strength, ceramic superconducting composite
07/04/1990EP0376878A1 Cermet alloy
07/03/1990US4939038 Light metallic composite material and method for producing thereof
07/03/1990CA1271060A1 Oxysulfide dispersion strengthened titanium alloys
06/1990
06/26/1990US4936912 Sintered apex seal material
06/19/1990US4935056 Wear-resistant copper-base sintered oil-containing bearing materials
06/19/1990CA1270374A1 Method for the production of a wear resistant part of a soil working tool
06/13/1990EP0372223A1 Copper-based sintering material, its use and process for preparing work pieces from this material
06/13/1990CN1042948A Copper-based sintering material, use thereof, and process for making molding articles from sintering material
06/12/1990US4933008 Matrix of alloy steel or high speed tool steel having metal component dispersed therein
06/12/1990US4933007 Heat-resistant aluminum-base composites and process of making same
05/1990
05/30/1990EP0370897A1 Method for the preparation of electrical contact material, and method of making a contact element incorporating such a material
05/30/1990CN1042487A Method for forming metal matrix composite containing three-dimensionally inter-connected co-matices
05/23/1990EP0369283A2 Sintered contact material for low-tension switchgear, particularly for contactors
05/23/1990EP0369282A2 Sintered contact material in low-tension switchgear, particularly for contactors
05/23/1990EP0369114A1 Process for manufacturing alloyed tungsten rods
05/22/1990CA1269255A1 Welding using metal-ceramic composites
05/17/1990WO1990005199A1 Sintered material derived from copper, its use and process for manufacturing mouldings from the sintered material
05/16/1990EP0368781A1 A method for forming metal matrix composite bodies containing three-dimensionally interconnected co-matrices and products produced thereby
05/12/1990CA2002769A1 Copper-based sintered material, its use, and method of producing molded parts from the sintered material
05/09/1990EP0367229A1 Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same
05/08/1990US4923673 Compaction and sintering with lanthanum oxide; low energy; workability
05/08/1990US4923532 Heat treatment for aluminum-lithium based metal matrix composites
05/03/1990WO1990004657A1 Copper-based sintered alloy
05/01/1990US4921531 Process for forming fine ceramic powders
04/1990
04/25/1990EP0365506A2 Method of making a hard material in the area between cemented carbide and high speed steel
04/18/1990EP0364295A2 Dispersion strengthened copper alloy and a method of manufacturing the same
04/17/1990US4917964 Porous metal-second phase composites
04/17/1990CA1267796A1 Cobalt-chromium superalloy
04/11/1990EP0363286A2 Material for electronic components and process for preparing the components
04/11/1990EP0363225A2 Valve spring retainer for valve operating mechanism for internal combustion engine
04/11/1990EP0363047A1 A method of producing nitrogen strengthened alloys
04/11/1990EP0362351A1 Process for producing an ODS sintered alloy and alloy obtainable by this process.
04/10/1990US4916030 Metal-second phase composites
04/10/1990US4916029 Composites having an intermetallic containing matrix
04/10/1990US4915908 Heat diffusing into metal, metal alloy or intermetallic matrices by exothermic reactions
04/10/1990US4915905 Process for rapid solidification of intermetallic-second phase composites
04/10/1990US4915904 Process for stabilization of titanium silicide particulates within titanium aluminide containing metal matrix composites
04/10/1990US4915903 In-situ precipitation of second phase particles in metal matrix by reaction of matrix with another metal
04/10/1990US4915902 Complex ceramic whisker formation in metal-ceramic composites
04/03/1990US4913734 Method for preparing ferrocarbon intermediate product for use in steel manufacture and furnace for realization thereof
03/1990
03/28/1990EP0360438A1 Dispersion strengthened materials
03/22/1990WO1990002824A1 Reinforced composite material
03/22/1990WO1990002620A1 Heat treatment for aluminum-lithium based metal matrix composites
03/21/1990EP0358822A1 Dispersion strengthened powders and extruded products thereof
03/20/1990US4909842 Grained composite materials prepared by combustion synthesis under mechanical pressure
03/07/1990EP0357231A1 Reinforced aluminum matrix composite
03/06/1990US4906430 Titanium diboride/titanium alloy metal matrix microcomposite material and process for powder metal cladding
02/1990
02/28/1990EP0355783A2 Oxide glasses having low glass transformation temperatures
02/27/1990US4904415 Oxide glasses having low glass transformation temperatures
02/27/1990US4904317 Erosion resistant Ag-SnO2 electrical contact material
02/22/1990WO1990001568A1 Titanium diboride/titanium alloy metal matrix microcomposite
02/13/1990US4900394 Process for producing single crystals
02/01/1990DE3830086A1 Process for atomising a melt by means of a plasma jet
01/1990
01/31/1990EP0353196A1 Electroconductive cermet compositions for ignition and heating appliances
01/25/1990WO1990000685A1 Process for manufacturing a radial bearing
01/25/1990DE3824993A1 Process for producing porous, permeable structural components from a pulverulent or granular starting material
01/17/1990EP0351237A1 Brake disk material for railroad vehicle
01/16/1990US4894273 Containing oxids of molybdenum, tungsten, niobium, manganese, ytterium and(or) titanium
01/16/1990US4894090 Iron with carbides, nitrides, silicides or borides
01/11/1990DE3822919A1 Verbundwerkstoff Composite material
01/10/1990EP0349740A2 Complex boride cermets
01/09/1990US4892581 Particles of copper oxide
01/03/1990EP0348804A2 Wear-resistant component and process for preparing it
01/02/1990CA1264124A1 Plastics based medecine ball
12/1989
12/28/1989WO1989012899A1 Substrates with dense metal vias
12/20/1989EP0346771A1 Method for making solid composite material particularly metal matrix with ceramic dispersates
12/19/1989US4888054 Metal composites with fly ash incorporated therein and a process for producing the same
12/13/1989EP0346038A1 Ternary metal matrix composite
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