Patents
Patents for C22C 27 - Alloys based on rhenium or a refractory metal not mentioned in groups or (3,486)
07/2003
07/08/2003US6589368 High melting point metal based alloy material having high toughness and strength
07/08/2003US6589310 For use in microelectronic packages; improved thermal conductivity and low porosity; weight ratio of sintering aid and phosphorus additives
07/03/2003US20030124342 Oxidation resistant coatings for niobium-based silicide composites
07/03/2003US20030124016 Method of producing tungsten-copper based composite powder and sintered alloys for heat-sink using said composite powder
07/01/2003US6586698 Method of operating a welding machine and a welding machine
07/01/2003US6585033 Process for producing vanadium alloy foil
06/2003
06/26/2003US20030118448 Article with intermediate layer and protective layer, and its fabrication
06/26/2003DE3806637C1 Impact bullet comprises tungsten core on which tungsten or tungsten alloy sheet is wound and compacted to form solid body
06/25/2003CN1426334A Nitrided valve metals and processes for making same
06/25/2003CN1425522A Method for preventing super fine hard alloy from oxidation in producing process
06/19/2003WO2003050829A1 Niobium alloy, sintered body thereof, and capacitor using the same
06/19/2003US20030114245 Golf club head
06/19/2003US20030110886 Reducing chromium oxide with silicon to obtain a molten metal, discharging slag produced and adding a basic flux to refine
06/18/2003CN1424419A High performance and specific weight tungsten alloy for nuclear environment and inertia workpiece madeof
06/18/2003CN1424417A Alloy powders for preparing CuCr alloy probe material and preparation thereof
06/12/2003US20030106888 Refsicoat heat resistant material and high-temperature electric heaters using said material
06/12/2003DE10210423C1 Copper-niobium alloy used in the production of semi-finished materials and molded bodies has niobium deposits in a copper matrix as well as copper-niobium mixed crystals
06/10/2003US6576350 Hydrogen permeable membrane and hydride battery composition
06/10/2003US6576069 Tantalum-silicon alloys and products containing the same and processes of making the same
06/10/2003US6576037 Pre-alloyed metal powder consisting essentially of tungsten and/or molybdenum, at least one transition metal selected among iron, cobalt, nickel and copper, and optionally at least one additive, the iron content being a given concentration
05/2003
05/29/2003US20030097904 Sintered alloy for valve seat having excellent wear resistance and method for producing the same
05/27/2003US6569270 Process for producing a metal article
05/20/2003US6566161 Tantalum sputtering target and method of manufacture
05/20/2003US6565988 Composite for high thermal stress
05/15/2003US20030089429 Textured-grain-powder metallurgy tantalum sputter target
05/14/2003CN1417363A Vanadium-base solid solution hydrogen-storing alloy and its prepn process
05/08/2003US20030088308 Primarily niobium stent
05/07/2003CN1415779A Manufacturing method for producing target material with high resistance used in metal film resistor with high stability by using sputtering technique
05/02/2003EP1206585B1 High density tungsten material sintered at low temperature
05/01/2003WO2003036166A2 Process to prepare a hydrogen and carbon monoxide containing gas
05/01/2003WO2003036165A2 Process to reduce the temperature of a hydrogen and carbon monoxide containing gas and heat exchanger for use in said process
05/01/2003US20030082864 Tantalum sputtering target and method of manufacture
04/2003
04/30/2003CN1414128A Precipitation strengthened high nickel iron ratio tungsten alloy material and processing technology
04/29/2003US6554884 Tantalum and tantalum nitride powder mixtures for electrolytic capacitors substrates
04/24/2003WO2003033753A2 High density non-toxic composites comprising tungsten, another metal and polymer powder
04/24/2003US20030077201 Comprises titanium, zinc, magnesium, and chromium; high capacitance, hysterisis; for use in heat pumps, compressors
04/24/2003US20030075246 Alloys are subjected to superheating treatment and subsequently cast into articles with high elastic limit; invention allows use of lower purity raw-materials
04/24/2003CA2462976A1 High density non-toxic composites comprising tungsten, another metal and polymer powder
04/22/2003US6551377 At least about 10% by weight rhenium optionally alloyed with up to about 90% by tungsten or up to about 60% by weight molybdenum, average diameter less than 150 microns, exhibit good flow
04/22/2003US6551375 Ammunition using non-toxic metals and binders
04/22/2003US6551374 Mixing a copper powder fo improving electrical characteristics of the contact materials, as a matrix, a chromium powder and a heat resistant metal powder; sintering, infiltrating and hot pressing to obtain sintered product
04/17/2003WO2003031668A1 Tunsten wire, cathode heater, and filament for vibration service lamp
04/17/2003WO2002088412A3 Tantalum and niobium billets and methods of producing the same
04/17/2003WO2002044437A8 High strength alloys and methods for making same
04/17/2003US20030070732 Iron base high temperature alloy
04/16/2003EP1301654A2 Graded platinum diffusion aluminide coating
04/16/2003EP1301224A1 Radiopaque stent composed of a binary alloy
04/16/2003CN1410573A Electrode material of alloy element added with tungsten oxide and its preparation technique
04/10/2003WO2003029506A1 Method of improving bulk-solidifying amorphous alloy compositions and cast articles made of the same
04/10/2003US20030066578 Turbines
04/08/2003US6544672 Magnetic recording medium and magnetic storage
04/03/2003WO2003027340A1 High-power tungsten-based sintered alloy
04/03/2003US20030062261 High purity zirconium or hafnium, sputtering target comprising the high purity zirconium of hafnium and thin film formed using the target, and method for producing high purity zirconium or hafnium and method for producing powder of high purity zirconium or hafnium
04/02/2003EP0720662B1 Lead-free bullet
04/01/2003US6540851 Tantalum-silicon alloys and products containing the same and processes of making the same
03/2003
03/27/2003WO2003025238A1 Textured-grain-powder metallurgy tantalum sputter target
03/27/2003US20030056620 Ammunition using non-toxic metals and binders
03/19/2003EP1292421A1 Welding machine and method of operating the same
03/13/2003US20030049154 High temperature melting braze materials for bonding niobium based alloys
03/13/2003CA2424865A1 Method of absorption-desorption of hydrogen storage alloy and hydrogen storage alloy and fuel cell using said method
03/13/2003CA2424861A1 Method of absorption-desorption of hydrogen storage alloy and hydrogen storage alloy and fuel cell using said method
03/12/2003EP1291100A1 Niobium or tantalum powder and method for production thereof, and solid electrolytic capacitor
03/12/2003CN1402291A High-current density electronic emission body rareearth-Sc-W based material and mfg. method thereof
03/06/2003WO2002063060A3 Nb-based super conductor and method of making
03/05/2003EP1287172A2 High purity niobium and products containing the same, and methods of making the same
03/05/2003CN1102668C Hafnium alloy and neutron absorbent of nuclear reactor control stick using said alloy
03/04/2003US6527880 Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same
02/2003
02/27/2003WO2003016585A1 Sintered tungsten target for sputtering and method for preparation thereof
02/27/2003US20030038166 Method for assembling parts made of materials based on sic by non-reactive refractory brazing, brazing composition, and joint and assembly obtained by said method
02/27/2003US20030037847 High purity tantalum, products containing the same, and methods of making the same
02/26/2003EP1285099A2 High conductivity copper/refractory metal composites and method for making same
02/25/2003US6524405 Solid solution of iron-aluminum-chromium-carbon; oxidation resistance, ductility; turbochargers
02/25/2003US6524363 Heat treatment of tungsten, cobalt carbide; surface roughness
02/20/2003WO2001068246A9 Finely divided metal catalyst and method for making same
02/19/2003CN1101859C Fine metal powders based on tungsten and/or molybdenum and three-dimension transition metal
02/18/2003US6521356 A turbine system having a component comprising a niobium-based refractory metal intermetallic composite of titanium hafnium, silicon, chromium and niobium with a high-temperature resistant protective coating of like metals minus
02/18/2003US6521013 Niobium sintered body for capacitor and replace with process for producing same
02/12/2003CN1396960A Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy
02/12/2003CN1101480C Hydrogen-absorbing alloy and hydrogen-absorbing alloy electrode
02/11/2003US6517645 Wire, sheet, powder
02/11/2003CA2134665C Composite shot
02/05/2003EP1281460A1 Niobium powder, sintered compact thereof and capacitor
01/2003
01/30/2003WO2003009367A1 Hafnium silicide target for forming gate oxide film and method for preparation thereof
01/30/2003US20030021715 Chromium, iron alloy; pressing, sintering
01/29/2003CN1393571A SGS Ta material or Ta product and its preparing process
01/28/2003US6511761 Magnetic recording media and magnetic storage apparatus
01/23/2003WO2003006702A1 Hafnium silicide target for gate oxide film formation and its production method
01/22/2003EP1277532A2 Clad powder metallurgy article and method for producing the same
01/21/2003US6508889 Heating, quenching
01/15/2003EP1275124A1 Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body
01/15/2003CN1390969A Refractory Cr-base alloy
01/09/2003WO2002094499B1 High temperature melting braze materials for bonding niobium based alloys
01/09/2003US20030007313 Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body
01/08/2003EP1273037A2 High rigidity, multi-layered, semiconductor package and method of making the same
01/08/2003CN1098364C High-purity micro-carbon ferrochromium and its production method
01/07/2003US6503641 Interconnects with Ti-containing liners
01/07/2003US6503290 Corrosion resistant powder and coating
01/03/2003WO2001064374A9 Nitrided valve metals and processes for making the same
01/02/2003US20030003010 For adsorption, storage and desorption of hydrogen
01/02/2003US20030000341 Providing a supply of scrap comprising tungsten and its alloy; milling; mixing with high-density component comprising metal and alloy to form product
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