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WO/2001/018276A1 |
A high melting point metal based alloy material which is producedby a method wherein a metal element for forming a nitride contained as a component of a solid solution in an alloy-forming material having one metal of Mo, W and Cr as a ma...
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WO/2001/006525A1 |
A niobium powder contains nitrogen the amount of which bonded to niobium ranges from 500 ppm by weight to 7,000 ppm by weight. The average particle diameter ranges from 0.2$g(m)m to 3$g(m)m. A sintered body produced by sintering such a n...
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WO/2001/004370A1 |
High density single crystal penetrators are made from alloys containing at least 90% tungsten, with the remainder being essentially tantalum, rhenium, niobium, molybdenum or a mixture thereof. The penetrator will generally be circular in...
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WO/2001/000892A1 |
The invention concerns a tungsten-based sintered material, with relative mean density higher than 93 % and HV¿0.3? hardness $m(G) 400. It comprises: tungsten having a purity higher than 99.9 %, an additive consisting of nickel and/or co...
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WO/2000/077267A1 |
A titanium alloy which contains 30 to 60 wt. % of an element of Va Group (Vanadium Group) and the balance consisting substantially of titanium, and has an average Yang's modulus of 75 GPa or less and a tensile strength at elastic limit o...
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WO/2000/075390A1 |
The invention aims to provide a casting material with a high thermal durability for use, in particular, in valve seat inserts. This is achieved by an alloy with the following composition: molybdenum: 20-40 % (by weight) - chrome: 5-20 % ...
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WO/2000/073523A1 |
A Cr-base alloy having the chemical composition: Cr: 60 mass % or more, C + N: 20 mass ppm or less, S: 20 mass ppm or less, O: 100 mass ppm or less, provided that the content of O as oxides is 50 mass ppm or less, balance: Fe and inevita...
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WO/2000/069588A1 |
A niobium powder is described which when formed into an electrolytic capacitor anode, the anode has the capacitance of at least 62,000 CV/g. Methods of making flaked niobium powder which have high capacitance capability when formed into ...
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WO/2000/068448A1 |
The present invention is a medical implant or device (2) fabricated, in any manner, from a niobium (Nb) - titanium(Ti) - zirconium(Zr) - Molybednum(Mo) alloy (NbTiZrMo alloy). The implant or device has components at least partially fabri...
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WO/2000/061828A1 |
A modified Ti-V-Zr-Ni-Mn-Cr electrochemical hydrogen storage alloy which has at least one of the following characteristics: 1) an increased charge/discharge rate capability over that the base Ti-V-Zr-Ni-Mn-Cr electrochemical hydrogen sto...
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WO/2000/058530A1 |
An alloy having a cube textured substrate is disclosed. The alloy includes two different metals. The alloy can be used as a substrate for a superconductor. Optionally, one or more buffer layers can be disposed between the substrate and t...
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WO/2000/058529A1 |
A method for absorbing and releasing which comprises repeating the application of a hydrogen pressure to an alloy for hydrogen storage having a body-centered cubic structure and exhibiting two step or gradient plateau property in the rel...
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WO/2000/056486A1 |
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 hav...
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WO/2000/031314A1 |
A coated body that has a substrate (20) of tungsten, carbon, and cobalt, and wherein the substrate presents a surface (22, 24). Eta phase is present at the surface (22, 24) of the substrate. Fibrous tungsten carbide grains are present at...
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WO/2000/031310A1 |
High purity tantalum metals and alloys containing the same are described. The tantalum metal preferably has a purity of at least 99.995 % and more preferably at least 99.999 %. In addition, tantalum metal and alloys thereof are described...
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WO/2000/023630A1 |
The invention concerns a 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 ...
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WO/2000/013823A1 |
The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In a preferred embodiment of the invention...
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WO/2000/010752A1 |
Shapes cast from non-ferrous metals, such as the light metals aluminium or magnesium, can present paintability or weldability problems if the casting tools, e.g., the mould, consist of iron. According to the invention, the casting tools,...
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WO/2000/008662A1 |
A sinter of niobium for capacitors, which has an electrolytic oxide coating and whose leakage current is less than 300 $g(m)A/g. The sinter has a CV value of greater than 40,000 $g(m)F-V per gram, which is a product of capacitance and el...
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WO/2000/000661A1 |
A sputter target consisting of a high-purity Nb containing not more than 3000 ppm of Ta and not more than 200 ppm of oxygen, with variations in Ta content limited to within +/- 30 % through the whole target and variations in oxygen conte...
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WO/1999/066100A1 |
Described is the production of a metal article with fine metallurgical structure and texture by a process that includes forging and rolling and control of the forging an rolling conditions. Also described is a metal article with a minimu...
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WO/1999/064639A1 |
A method of imparting high strength, high ductility, and high fracture toughness to a refractory metal alloy workpiece includes: (i) subjecting the workpiece to at least one pass that reduces the initial cross-sectional area of said work...
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WO/1999/061670A1 |
Described is a method for producing high purity tantalum, the high purity tantalum so produced and sputtering targets of high purity tantalum. The method involves purifying starting materials followed by subsequent refining into high pur...
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WO/1999/061672A1 |
An alloy comprising tantalum and silicon is described. The tantalum is the predominant metal present. The alloy also has a uniformity of tensile strength when formed into a wire, such that the maximum population standard deviation of ten...
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WO/1999/034028A1 |
A sputtering target containing 0.1 to 50 weight % of at least one element forming an intermetallic compound with Al, and the balance substantially consisting of Al. The element is homogeneously dispersed in the structure of the target. T...
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WO/1999/005332A1 |
A titanium containing material including tungsten and other additional metals including tantalum, molybdenum, and niobium. The titanium containing material having a density ranging from approximately 4.8 to 11.5 kg/m?3¿ and improved mec...
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WO/1999/002743A1 |
Described is the production of a metal article with fine metallurgical structure and texture by a process that includes forging and rolling and control of the forging and rolling conditions. Also described is a metal article with a minim...
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WO/1998/049356A1 |
Valve metal articles such as wire, sheet or powder having a second metal, preferably in a peripheral margin, prepared by coating the valve metal with a salt solution of the metal additive and heat treating in the presence of an oxygen ge...
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WO/1998/014627A1 |
A hydrogen absorbing alloy, particularly a hydrogen absorbing alloy which enables the regulation of a fine structure formed by spinodal decomposition in order to improve the flatness of a release equilibrium pressure in practical tempera...
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WO/1997/043457A1 |
A hanger (1) in a combustion chamber in a combustion plant, such as a refuse incineration plant or a combustion plant in a power station has a surface which is exposed to corrosive influence from the combustion products. The surface mate...
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WO/1997/037801A1 |
A single phase W-Ti sputter target and a method of manufacturing the target are disclosed. The target is produced by mixing powders of tungsten and titanium and subjecting the mixed powders to a pressing operation for a time, temperature...
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WO/1997/019202A1 |
Disordered Multicomponent hydrogen storage material characterized by extraordinarily high storage capacity due to a high density of useable hydrogen storage sites (greater than 1023 defect sites/cc) and/or an extremely small crystallite ...
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WO/1997/017148A1 |
A method and apparatus for forming a strip of fins with louvers comprising providing fin forming rolls comprising stacked carbide plates having rolling and cutting edges forming fins with louvers, and directing a strip of clad aluminum b...
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WO/1996/022401A1 |
Copper-tungsten alloys comprising on the weight basis 5-30 % copper, 0.002-0.04 % phosphorus and the balance substantially consisting of tungsten, and preferably containing 0.1-0.5 % of one or more members selected among cobalt, nickel a...
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WO/1996/022402A1 |
Molybdenum alloys are provided with enhanced oxidation resistance. The alloys are prepared by the addition of silicon and boron in amounts defined by the area of a ternary system phase diagram bounded by the points Mo-1.0 % Si-0.5 % B, M...
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WO/1996/017098A1 |
A high-Cr nickel alloy having excellent resistances to wear and lead corrosion and containing 0.01-0.5 wt.% C, 0.01-1.0 wt.% Si, 0.01-10.0 wt.% Mn, 35.0-60.0 wt.% Cr, 5.0-25.0 wt.% Fe, 8.0-15.0 wt.% Nb, and the balance consisting of Ni, ...
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WO/1996/011762A1 |
Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both comp...
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WO/1996/001335A1 |
A chromium steel sheet excellent in press formability, particularly, in both of deep drawability and resistance to secondary operation brittleness. The sheet contains, on the weight basis, at most 0.03 % of C, at most 1.0 % of Si, at mos...
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WO/1995/033099A1 |
A weak ground reinforcing drain structure, a method of arranging such drain structures, and an apparatus used for forming such a drain. The present invention provides a drain pack comprising a reticulate portion and a reinforcement porti...
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WO/1995/025337A1 |
Method of manufacturing a dispenser cathode, in which method tungsten and a scandium-containing material are mechanically alloyed and the product thus formed is pressed into a cathode body. The cathode body is further provided with a bar...
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WO/1995/016797A1 |
A molybdenum-tungsten material for wiring comprising 20-95 atm % of tungsten and 80-5 atm % of molybdenum and inevitable impurities as a whole. It is prepared by integrally compositing molybdenum and tungsten by, e.g., powder metallurgy ...
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WO/1995/013410A1 |
A one-piece single metal spinneret is disclosed having a capillary zone with capillaries of a length more than 1.5 times the capillary diameter and a yield strength, outside the capillary zone, of greater than 350 MPa. A process for maki...
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WO/1995/008653A1 |
A composite lead-free bullet is disclosed comprising a heavy constituent selected from the group of tungsten, tungsten carbide, carballoy, and ferro-tungsten and a second binder constituent consisting of either a metal alloy or a plastic...
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WO/1995/004836A1 |
A method for forming a wrought product from a starting metal (5) such as tantalum, niobium, and alloys thereof. A consumable electrode is coated with at least a first alloy layer (40) by means which provide for uniform thickness. Suffici...
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WO/1994/028185A1 |
A hafnium alloy consisting essentially of hafnium and containing Sn by 0.1-1.5 weight %, O by 0.03-0.2 weight %, Fe by 0.01-0.15 weight %, Zr by 0.02-2.0 weight %, and (1) Cr by 0.01-0.15 weight %, and Ni by less than 0.10 weight %, (2) ...
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WO/1994/025395A1 |
A process for the removal of impurities from a stream of hydrogen, containing more easily removable impurities, like for instance COx, and more hardly removable impurities, mainly consisting of nitrogen and methane, wherein: A) said stre...
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WO/1994/024327A1 |
An electrode material for large electric current, which is excellent in the ability to start an electric arc and the resistance to weight reduction and comprises from 0.02 to less than 0.5 % by weight of lanthanum oxide and the balance c...
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WO/1994/024328A1 |
An electrode material for a large electric current having excellent arc ignitability and a consumability. This electrode material contains more than 0.02 and less than 0.2 wt.% oxide yttrium and/or oxide cerium. The rest is tungsten.
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WO/1994/003650A1 |
An arc discharge electrode material used for various electrode materials for arc welding, which is excellent in arc ignitability and consumability. The composition is 0.02 to 1.0 wt. % boron lanthanum and the rest of tungsten.
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WO/1994/002657A1 |
Master alloys and methods of producing same are disclosed, wherein an intermetallic compound, for example Al3Cb is first prepared via thermite processing, then size reduced, then mixed with other components in amounts yielding a mixture ...
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