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WO/2012/053486A1 |
In electric discharge machining in which a Cu(Ag)-W(Mo) based electrode is employed, the present invention improves the machining speed, electrode wear rate, and surface roughness of an object to be machined. For this purpose, suitable a...
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WO/2012/050271A1 |
Disclosed are a tungsten-copper alloy, a metal material having the same and a fabrication method for the tungsten-copper alloy, the fabrication method including generating tungsten-copper composite powders such that tungsten is coated on...
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WO/2012/045106A1 |
The invention relates to a collimator for X-ray, gamma, or particle radiation, which has a plurality of collimator elements made of a material containing tungsten in order to reduce the scatter radiation, wherein at least one collimator ...
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WO/2012/039283A1 |
This hydrogen-separating membrane exhibits a high hydrogen permeation rate and superior resistance to hydrogen embrittlement, and comprises a V alloy containing W and Mo. The hydrogen-separating membrane preferably comprises 30 mole% or ...
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WO/2012/026898A1 |
The invention is the coating powder (31) used in mould coating in aluminium alloy casting method, wherein moulding (10) is coated in order to prevent the aluminium that is molten in high temperatures from causing damage on the moulding (...
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WO/2012/023475A1 |
The present invention provides: a CrTi-based alloy or sputtering target material which comprises 35 to 65at% of Ti with the balance consisting of Cr and unavoidable impurities; and processes for producing the same. The CrTi-based alloy o...
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WO/2012/016257A2 |
The invention provides a process for producing a Cu-Cr material for a switching contact, in particular for vacuum switches, by powder metallurgy, said process comprising the following steps: (S2) a Cu-Cr powder mixture formed from Cu pow...
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WO/2012/014949A1 |
In silver-oxide electric contact materials, there has been the problem of oxides being deposited on the contact surface by repeated electrical opening/closing, resulting in contact resistance at the contact surface and causing a temperat...
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WO/2012/003669A1 |
A vanadium-chromium-iron alloy is composed of (by wt%) 58.53~71.21% V, 24.76~36.49% Cr, 5.02~8.27% Fe and balance inevitable impurities. The alloy has low costs and can be used as a base material for producing V-based hydrogen-storage al...
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WO/2012/002970A1 |
The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of niobium or vanadium, and a third metal element selected from the group consisting of titanium, chromium, niobium, vanadium, ...
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WO/2011/162398A1 |
Provided are: a method for producing an electrode material for a vacuum circuit breaker, whereby withstand voltage, large current interruption performance and capacitor switching performance can be improved; an electrode material for a v...
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WO/2011/152369A1 |
Disclosed is a hydrogen separation alloy that has a metal structure that increases resistance to hydrogen embrittlement and increases hydrogen permeability, and that can be applied even to large surface area products on the side where hy...
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WO/2011/129565A2 |
The present invention relates to a method for producing tantalum (Ta) powder from a waste tantalum (Ta) target using eutectic alloys. The method comprises the following steps: removing contaminants from the surface of a waste tantalum (T...
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WO/2011/125663A1 |
Provided is a molybdenum alloy which is inhibited from suffering local swelling or crystal-grain enlargement even when used at a high temperature of 2,000ºC, and which renders prolongation of the life of members possible. The alloy make...
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WO/2011/105338A1 |
Disclosed is a valve seat made of a combined iron-based sintered alloy which is so highly resistant to abrasion and so satisfactorily machinable as to be capable of being used for an internal-combustion engine of a cylinder fuel injectio...
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WO/2011/101706A1 |
Hard particles for blending as a starting material in a sintered alloy contain 20 to 40 mass% of molybdenum, 0.5 to 1.0 mass% of carbon, 5 to 30 mass% of nickel, 1 to 10 mass% of manganese, 1 to 10 mass% of chromium, 5 to 30 mass% of cob...
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WO/2011/070475A1 |
An alloy comprising at least two refractory metals and a method for forming such alloy are proposed. In the alloy, a first refractory metal such as tantalum forming a minor portion of the alloy is completely dissolved in a second refract...
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WO/2011/053231A1 |
The invention relates to a process for producing an iron-and/or tungsten containing powder or powder agglomerate including the steps of: a) mixing at least a first powder fraction comprising a tungsten carbide containing powder, and at l...
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WO/2011/049049A1 |
Disclosed is an improved tungsten cathode material which is used for TIG welding, plasma welding, plasma cutting, electric discharge processing, a discharge lamp and the like. The tungsten cathode material is reduced in the amount of use...
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WO/2011/040400A1 |
Disclosed is a method for producing a high-purity tungsten powder that has a phosphorus content of less than 1 ppm by weight, which is characterized in that: an ammonium tungstate solution that contains phosphorus, which is an impurity, ...
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WO/2011/030815A1 |
Disclosed is a process for producing an electrically conductive molded article, which involves a step of sintering a premolded article, which is an article produced by molding a first electrically conductive powder, by a spark plasma sin...
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WO/2011/030902A1 |
A novel hydrogen separation membrane comprising an Nb-W-Mo alloy is obtained. Conditions for a method of hydrogen separation with this hydrogen separation membrane and for the hydrogen separation are selected in the following specific ma...
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WO/2011/021923A1 |
The present invention relates to a process for producing a metal-matrix composite of significant ΔCTE between the hard base-metal and the soft matrix. The process includes the steps of sintering, pressing and enforced infiltration of th...
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WO/2011/018971A1 |
Disclosed is a tantalum sputtering target which is characterized by containing 1-100 ppm by mass (inclusive) of tungsten as an essential ingredient and having a purity of not less than 99.998% when tungsten and gas components are exclude...
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WO/2011/018970A1 |
Disclosed is a tantalum sputtering target which is characterized by containing 1-100 ppm by mass (inclusive) of molybdenum as an essential ingredient and having a purity of not less than 99.998% when molybdenum and gas components are exc...
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WO/2011/005745A1 |
A niobium or niobium alloy which contains pure or substantially pure niobium and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a niobium alloy that is resistant to aqueous c...
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WO/2010/134417A1 |
Disclosed is a tantalum sputtering target which is characterized by containing not less than 1 ppm by mass but not more than 100 ppm by mass of niobium as an essential component and having a purity, excluding niobium and gas components, ...
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WO/2010/119785A1 |
Provided is a barrier film for semiconductor wiring, said film including nickel, with the remainder comprising tungsten and unavoidable impurities, and having a composition of 70–90% tungsten and 10–30% nickel, with percentages inclu...
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WO/2010/116110A1 |
The invention relates to a layer produced by spraying a target including at least one molybdenum powder compound, the target having a lamellar microstructure, an oxygen content of less than 1000 ppm, an electrical resistivity of less tha...
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WO/2010/116112A2 |
The invention relates to a method for producing a target by means of thermal projection, especially by plasma projection, said target comprising at least one compound selected from refractive metals, resistive oxides, and volatile oxides...
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WO/2010/100808A1 |
Disclosed is a rhenium-tungsten wire which contains rhenium in an amount of 10 to 30% by mass, with the remainder being tungsten. The rhenium-tungsten wire has a wire diameter (D) of 0.10 to 0.40 mm and tensile strength (T) (N/mm2) that ...
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WO/2010/097124A1 |
The invention relates to a coating system (1) for forming a surface coating on a surface of a substrate (100), in particular on the surface of a forging die, wherein the coating system comprises at least one surface coating of the compos...
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WO/2010/051040A1 |
A method of making sputter targets from a BCC metal or BCC metal alloy is provided. The ingot is e-beamed melted and subjected to vacuum arc reduction. The ingot is then tri-axially forged, keeping the centerline of the ingot in the cent...
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WO/2010/024159A1 |
Disclosed is a powder of a tungsten alloy with a transition metal dissolved therein as a solid solution that is suitable as a material for a cemented carbide represented by formula [1] and a material for a catalyst. The powder of the tu...
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WO/2009/154200A1 |
Disclosed is a hydrogen storage material containing metal fine particles having hydrogen storage ability and an organic compound having two or more characteristic groups bondable to the metal fine particles and bonded to the metal fine p...
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WO/2009/153596A2 |
A first multi phase niobium silicide alloy composition consists essentially of: from 15 to 24 at% of Si; from 0 to 25 at% of one or more sp outer electron configuration element which is not Si; from 1 to 26 at% of one or more sd outer el...
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WO/2009/147900A1 |
Provided is a tungsten sintered material sputtering target having a phosphorus content of 1 ppm by weight or less, with the remainder being tungsten and unavoidable impurities. A decrease in the strength of the target and abnormal tungst...
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WO/2009/119804A1 |
Disclosed is a novel Mo alloy thin film interconnect which does not cause warpage of a substrate upon the formation of a film on the substrate even when the substrate has a large size, and has low resistivity and excellent heat resistanc...
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WO/2009/109566A1 |
The invention relates to tungsten electrodes for high pressure discharge lamps, which electrodes contain thorium oxide, the weight percentage of the thorium oxide in the material of the tungsten electrode (11, 12) ranging from 0.3% by we...
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WO/2009/081659A1 |
The invention provides an electrode contact member of vacuum circuit breaker which is obtained by forming a thick Cr fine dispersion layer on the surface of a Cu-Cr alloy base metal and which brings about improved dielectric strength and...
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WO/2009/078907A1 |
Provided are precipitation hardened high strength nickel based alloy welds that yield improved properties and performance in joining high strength metals. The advantageous weldments include two or more segments of ferrous or non- ferrous...
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WO/2009/062769A1 |
The invention relates to a novel refractory metal powder, comprising less than 200 ppm metal impurities, having a homogenous distribution and being made of non-spherical particles with irregular, plate-like, needle-like or flake-like sha...
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WO/2009/057239A1 |
Disclosed is a soldering material mainly composed of Mo, which does not use Ru that is a rare metal. Specifically disclosed is a soldering material (26, 27) which is composed of 1-3.5 wt% of C, 1-3.5 wt% of B and the balance of Mo.
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WO/2009/041399A1 |
Disclosed is an alloy for a Cr-Mn-B base film, which enables to obtain extremely good recording characteristics when used as a base film of a magnetic recording medium. Also disclosed is a sputtering target member for producing a fine pa...
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WO/2009/040986A1 |
Disclosed is a probe needle material used for producing a probe needle which is used in contact with an inspection object for inspecting electrical characteristics of the inspection object. The probe needle material contains not less tha...
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WO/2009/022100A1 |
The present invention provides an antiviral composition comprising particles of a tungsten compound of general formula WnXy5 wherein X is a non-metal, a metalloid or an anion and wherein n is equal to 1 or 2 and wherein y is equal to 0, ...
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WO/2009/008457A1 |
This invention provides a heat radiating component for an electric component using a Cr-Cu alloy, and a case for an electronic component, a carrier for an electronic component, or a package for an electronic component using the heat radi...
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WO/2008/151108A1 |
A method of thermal forming of refractory alloy suture needles is disclosed. Needle blanks made from refractory alloys are used to form surgical needles, which are heated to a temperature above the ductile to brittle transition temperatu...
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WO/2008/149644A1 |
This invention provides an Nb3Sn superconducting wire rod produced by an internal diffusion process, which is superior to conventional Nb3Sn superconducting wire rods produced by a bronze process in both superconducting properties and st...
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WO/2008/142704A1 |
A process for the production of chromium nuggets from chromite ore/concentrate comprises: - oxidizing chromite ore/chromium concentrate (1 ) comprising a Cr : Fe-ratio ranging from 1.0 to 3.3 in a furnace (2) at a temperature of 900 °C,...
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