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)
08/1991
08/07/1991EP0440340A2 Electrical contact materials and method of manufacturing the same
08/07/1991CA2035634A1 Skid rail using fe/cr dispersion strengthened alloys
08/07/1991CA2035618A1 Skid rail alloy
08/06/1991US5037102 Ceramic reinforced aluminum(or alloy thereof)
07/1991
07/31/1991CN1053509A Internal oxidating method of electric contact material and material of producing by such method
07/30/1991US5035837 Containing cuprous and cupric oxide, thick films, printed circuits
07/24/1991EP0437917A2 Internal-oxidation method for production of electrical contact materials
07/24/1991CN1013324B Magnetic optical disk memory alloy material and its preparing technique
07/23/1991US5034187 Method of making carbide/fluoride/silver composites
07/16/1991US5032190 Oxide dispersion strengthened
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
07/11/1991WO1991009981A1 Sintered alloy bearing
07/09/1991US5030519 Melting, solidification; reduction of particle size
07/09/1991US5030275 Equiaxed dispersion strengthened copper product
07/03/1991EP0435655A2 Silver-metal oxide composite material and process for producing the same
07/03/1991EP0435051A2 Method for producing high temperature superconductor wires with high critical current and their application for making superconducting devices
07/02/1991US5028494 Brake disk material for railroad vehicle
07/02/1991US5028392 Melt process for the production of metal-matrix composite materials with enhanced particle/matrix wetting
06/1991
06/27/1991WO1991007513A3 Dual processing of aluminum base alloys
06/27/1991CA2033139A1 Silver-metal oxide composite material and process for producing the same
06/26/1991EP0433397A1 Heat treatment for aluminum-lithium based metal matrix composites
06/18/1991CA1284896C Method for producing dispersion strengthened aluminum alloys
06/12/1991CN1012803B Process for manufacturing particulate metal composites
06/11/1991US5023145 Wear and corrosion resistant
06/11/1991US5022919 Complex boride cermets and processes for their production
06/05/1991EP0429796A1 Heat-resistant materials
06/05/1991EP0429546A1 Titanium diboride/titanium alloy metal matrix microcomposite
05/1991
05/30/1991WO1991007513A2 Dual processing of aluminum base alloys
05/29/1991EP0428539A1 Process for manufacturing a radial bearing.
05/28/1991WO1991008256A1 Material for the preparation of sintered composite materials
05/28/1991CA2069642A1 Material for the preparation of sintered composite materials
05/22/1991CN1051592A Self-lubricating metallic pottery and ceramic
05/22/1991CN1051591A Method of forming metal matrix composite bodies by self-generated vacuum process, and products produced therefrom
05/15/1991EP0427658A2 Method of forming metal matrix composite bodies by a self-generated vacuum process, and products produced therefrom
05/15/1991EP0427492A1 Aluminum-base composite alloy
05/15/1991EP0214220B1 Method for producing an alloy containing titanium carbide particles
05/15/1991CN1051395A Anti-ballistic materials and methods of making same
05/14/1991US5015534 Rapidly solidified intermetallic-second phase composites
05/08/1991EP0426608A2 Use of metal matrix composite as armor material
05/08/1991EP0426490A2 Vacuum switch contact material and method of manufacturing it
05/08/1991CA2020672A1 Method of forming metal matrix composite bodies by a self-generated vacuum process, and products produced therefrom
05/07/1991CA2029242A1 Aluminum-base composite alloy
05/02/1991EP0425073A1 Copper paste composition
05/01/1991CA2028749A1 Anti-ballistic materials and methods of making the same
04/1991
04/30/1991US5011725 Pores back-filled with another metal; glass-free
04/30/1991US5011304 Specific size aluminum oxide inclusion particles; durability
04/25/1991DE3490081C2 Carbide-contg. thermal spraying powder
04/16/1991US5007475 Method for forming metal matrix composite bodies containing three-dimensionally interconnected co-matrices and products produced thereby
04/09/1991US5006417 Ternary metal matrix composite
04/09/1991US5006163 Turbine blade superalloy II
04/02/1991US5004498 Dispersion strengthened copper alloy and a method of manufacturing the same
03/1991
03/26/1991US5002731 Carbon, nitrogen, tungsten, chromium, and molybdenum
03/26/1991US5002727 composite magnetic compacts and their forming methods
03/19/1991US5000779 Palladium based powder-metal alloys and method for making same
03/12/1991US4999338 Preparation of metal/superconducting oxide composites
03/12/1991US4999336 Metal or metal alloy matrix having discrete microparticles of refractory metal oxide and additive
03/12/1991US4999155 Oxidation of titanium in alloy with nickel
03/12/1991US4999052 Thermally dissociating a nitrogen donor in steel particles to provide nitrogen in solid solution
03/12/1991US4999050 Boride dispersed in aluminum, copper, nickel matrix
03/12/1991US4998578 Method of making metal matrix composites
03/06/1991EP0414709A1 Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches.
03/05/1991US4997324 Held to tubular shaft by a tungsten carbide layer; corrosion resistance
02/1991
02/26/1991US4995922 Oxide-dispersion-hardened superalloy based on nickel
02/08/1991WO1991002098A1 Cast composite material having a matrix containing a stable oxide-forming element
02/08/1991CA2063726A1 Cast composite material having a matrix containing a stable oxide-forming element
02/05/1991US4990410 Coated surface refined sintered alloy
02/05/1991US4989556 Hard particles in aluminum alloy matrix
01/1991
01/30/1991CN1011421B Use of silver-iron material for electrical contacts
01/16/1991EP0407596A1 Copper-based sintered alloy
01/15/1991US4985202 Process for forming porous metal-second phase composites
01/15/1991US4985200 Method of making sintered aluminium nickel alloys
01/09/1991EP0406580A1 A composite material and a method for producing the same
01/09/1991EP0406265A1 Densification of ceramic-metal composites
01/08/1991US4983574 Composite superconductor
01/08/1991US4983212 Cermet alloys and composite mechanical parts made by employing them
01/01/1991US4981635 Methods for producing a resin-bonded magnet
12/1990
12/27/1990WO1990015682A1 Bonding additives for refractory metallization inks
12/25/1990US4980125 Silver, mixed oxides of tin, bismuth and copper, added to bismuth zirconate or titanate; improved excess temperature behavior; motors, power switches
12/12/1990EP0401836A1 A composite substrate
12/12/1990EP0401611A1 High temperature composite material, process for its manufacture and its use
12/12/1990EP0376981A4 Machine workable, thermally conductive, high strength, ceramic superconducting composite
12/11/1990CA1277514C Titanium carbide/titanium alloy composite and process for powder metal cladding
12/06/1990CA2018254A1 High temperature mcra1 (y) composite material and processes for its preparation and its use
12/04/1990US4975336 Transparent substrate coated with an alloy of manganese, bismuth, aluminum and silicon; large signal/noise ratio
11/1990
11/27/1990US4973522 Aluminum alloy composites
11/27/1990US4973356 Cutting tools
11/22/1990EP0398121A1 Process for producing coarse columnar grains directionally oriented along their length in an oxide dispersion hardened nickel base superalloy
11/22/1990EP0397800A1 Aluminum based metal matrix composites
11/20/1990US4971866 Vacuum switch contact materials and the manufacturing methods
11/20/1990US4971754 Forming contacts of silver and tin oxide by reaction of silver nitrate with a strong base and reduction to silver metal
11/07/1990EP0396185A1 Process for preparing semi-finished creep resistant products from high melting metal
11/06/1990USH849 Method of making a cathode from tungsten and iridium powders using a strontium peroxide containing material as the impregnant
11/06/1990US4968348 High strength
10/1990
10/17/1990EP0215941B1 Titanium carbide/titanium alloy composite and process for powder metal cladding
10/16/1990US4963321 Surface refined sintered alloy and process for producing the same and coated surface refined sintered alloy comprising rigid film coated on the alloy
10/16/1990US4963200 Titanium and yttrium composite oxide matrix
10/16/1990US4963187 Metallizing paste for circuit board having low thermal expansion coefficient
10/11/1990DE3935163C1 Polycrystalline material for resistance heat evapn. boats - comprises hot pressed electroconductive mixt. based on boron nitride
10/09/1990US4962068 Oxide glasses having low glass transformation temperatures
10/09/1990US4961781 High corrosion-and wear resistant-powder sintered alloy and composite products
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