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| Number | Title | Issue Date |
| 7540997 | Medical devices having alloy compositions A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device. ... | 06/02/2009 |
| 7390456 | Powder-metallurgic method for producing highly dense shaped parts Highly dense shaped parts are produced with a powder metallurgic process. The parts are formed of an alloy that, besides of at least 20 weight % chromium, consists of iron and one or several additional alloy portions that in sum do not amount to more than 10 weight ... | 06/24/2008 |
| 7381369 | Free cutting alloy Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal... | 06/03/2008 |
| 7229510 | Manganese alloy sputtering target and method for producing the same A manganese alloy sputtering target characterized in that oxygen is 1000 ppm or less, sulfur is 200 ppm or less and a forged texture is provided, and a method for producing a forged manganese alloy target stably by eliminating the drawbacks of manganese alloy that i... | 06/12/2007 |
| 7211346 | Corrosion resistant metallic bipolar plate A corrosion resistant, electrically conductive component such as a bipolar plate for a PEM fuel cell includes 20–55% Cr, balance base metal such as Ni, Fe, or Co, the component having thereon a substantially external, continuous layer of chromium nitride. ... | 05/01/2007 |
| 7175721 | Method for preparing Cr-Ti-V type hydrogen occlusion alloy The invention relates to a method for producing high-performance Cr—Ti—V hydrogen storage alloys utilizing a thermit process, whereby residence of adversely affecting impurities is inhibited, addition of not less than 10 at % of Ti as an alloy component is reali... | 02/13/2007 |
| 7108757 | Hydrogen storage alloys providing for the reversible storage of hydrogen at low temperatures A reversible hydrogen storage alloy capable of storing large amounts of hydrogen and delivering reversibly large amounts of hydrogen at temperatures ranging from 0° C. up to 40° C. The hydrogen storage alloy is generally composed of titanium, vanadium, and chromiu... | 09/19/2006 |
| 7037467 | Cr-based alloy excellent in balance between strength and ductility at high temperature A strength-ductility balance at a high temperature above 1000° C., particularly a high temperature above 1050° C. is improved by rendering a chemical composition of Cr-based alloy into Cr: not less than 60 mass %, C+N: not more than 20 mass ppm, S: not more than 2... | 05/02/2006 |
| 7004992 | Chromium-containing metal and method for producing the same The high-Cr-containing metal according to the present invention is a chromium-containing metal manufactured in an arc melting furnace, and contains at least 85% Cr, up to 0.005% Al, up to 0.1% Si, and up to 0.002% S. The manufacturing method of this high-Cr-containi... | 02/28/2006 |
| 6964693 | Method for forming chromium anisotropic metal particles A method for forming dendritic metal powders, comprising the steps of: (1) heating a powder comprising non-dendritic particles, under conditions suitable for initial stage sintering, to form a lightly sintered material; and (2) breaking the lightly sintered material... | 11/15/2005 |
| 6953636 | Press separator for fuel cell made of stainless steel press formed in contiguous corrugations A press separator made of a stainless steel sheet, for providing excellent corrosion resistance and electric conductivity by a combination of a passive coating and a deposition of boride or boron carbide, restriction corrosion without separation or coming-off, by pr... | 10/11/2005 |
| 6835490 | Alloy for hydrogen storage, method for absorption and release of hydrogen using the alloy, and hydrogen fuel cell using the method A method for absorbing and releasing hydrogen comprises applying repeatedly hydrogen pressurization and depressurization to a hydrogen storage metal alloy of a body-centered cubic structure-type phase exerting a two-stage or inclined plateau characteristic in a hydr... | 12/28/2004 |
| 6793781 | Cathode targets of silicon and transition metal Silicon-chromium cathode targets having 5 to 80 weight percent chromium are used to sputter absorbing coatings of silicon-chromium-containing material in atmospheres of inert gas such as argon, reactive gases such as nitrogen, oxygen, and mixtures thereof to form me... | 09/21/2004 |
| 6767653 | Coatings, method of manufacture, and the articles derived therefrom A turbine component comprises a substrate; and a crystalline coating disposed on a surface of the substrate, wherein the crystalline coating comprises tin and yttrium in an amount greater than or equal to about 0.05 atomic percent based upon the total coating. A met... | 07/27/2004 |
| 6746782 | Diffusion barrier coatings, and related articles and processes A barrier coating is disclosed, containing about 15 atom % to about 95 atom % chromium; and about 5 atom % to about 60 atom % of at least one of rhenium, tungsten, and ruthenium. Nickel, cobalt, iron, and aluminum may also be present. The barrier coating can be disp... | 06/08/2004 |
| 6692587 | Cr-base heat resisting alloy There is provided a Cr-base heat resisting alloy, which contains Cr as a main component element and at least one element selected from the group consisting of Re and W in amount of from 1 atomic % to 40 atomic %.... | 02/17/2004 |
| 6540809 | Method for forming chromium anisotropic metal particles A method for forming dendritic metal powders, comprising the steps of: (1) heating a powder comprising non-dendritic particles, under conditions suitable for initial stage sintering, to form a lightly sintered material; and (2) breaking the lightly sinter... | 04/01/2003 |
| 6524405 | Iron base high temperature alloy The present invention is directed to an iron, aluminum, chromium, carbon alloy and a method of producing the same, wherein the alloy has good room temperature ductility, excellent high temperature oxidation resistance and ductility. The alloy includes abo... | 02/25/2003 |
| 6365014 | Cathode targets of silicon and transition metal Silicon-chromium cathode targets comprising 5 to 80 weight percent chromium are disclosed for sputtering absorbing coatings of silicon-chromium alloy in atmospheres comprising inert gas, reactive gases such as nitrogen, oxygen, and mixtures thereof which ... | 04/02/2002 |
| 6270593 | Mn alloy materials for magnetic materials, Mn alloy sputtering targets, and magnetic thin films Mn alloy materials for magnetic materials contain 500 ppm or less, preferably 100 ppm or less, oxygen, 100 ppm or less, probably 20 ppm or less, sulfur, and preferably a total of 1000 ppm or less, more preferably 500 ppm or less, impurities (elements othe... | 08/07/2001 |
| 6245164 | Dual-phase Cr-Ta alloys for structural applications Dual phase alloys of chromium containing 2 to 11 atomic percent tantalum with minor amounts of Mo, Cr, Ti, Y, La, Cr, Si and Ge are disclosed. These alloys contain two phases including Laves phase and Cr-rich solid solution in either eutectic structures o... | 06/12/2001 |
| 6193778 | Method for forming chromium anisotropic metal particles A method for forming dendritic metal powders, comprising the steps of: (1) heating a powder comprising non-dendritic particles, under conditions suitable for initial stage sintering, to form a lightly sintered material; and (2) breaking the lightly sinter... | 02/27/2001 |
| 6153032 | Hydrogen-absorbing alloy and process for preparing the same A hydrogen-absorbing alloy capable of controlling the very fine structure formed by a spinodal decomposition for improving flatness of an emission equilibrium pressure in a practical temperature/pressure range and excellent in activation and hydrogen abso... | 11/28/2000 |
| 6150048 | Metallic interconnection material for solid oxide fuel cell and method for preparing the same Disclosed are a metallic interconnection material for solid oxide fuel cells and a preparation method thereof. The metallic interconnection material has two fine microstructural phases in which 5-25% by volume of LaCrO3 is dispersed at the grai... | 11/21/2000 |
| 6110262 | Slurry compositions for diffusion coatings Slurry coating compositions are provided for metal substrates, particularly nickel or cobalt-containing alloys, that enable inward-type diffusion aluminide coatings having a substantially uniform coating thickness to be formed thereon. Substantially unifo... | 08/29/2000 |
| 6103383 | High tungsten, silicon-aluminum dental alloy A new nickel-chromium alloy having high rigidity, castability, corrosion and oxidation resistance and easy workability is disclosed. The alloy comprises from about 45 to 81% nickel by weight, from about 13 to 25% chromium by weight, from about 3 to 15% tu... | 08/15/2000 |
| 5985000 | Method for manufacturing electrode material for vacuum circuit breaker To provide a Cu-Cr alloy electrode material, a mixture of Cu and cr materials at a predetermined ratio is heated until the mixture has been entirely melted, and the molten metal obtained is quenched to precipitate fine Cr particles in a Cu base. Since Cr ... | 11/16/1999 |
| 5922275 | Aluminum-chromium alloy, method for its production and its applications An aluminum-chromium alloy having an atomic ratio of aluminum to chromium of from 0.2 to 10.9 and a resistivity at room temperature of at most 1 Ω.multidot.cm after heat treatment in air at a temperature of 900° C. for 200 hours.... | 07/13/1999 |
| 5916519 | Hydrogen storage alloy containing iron To provide a hydrogen storage alloy usable as a negative electrode having a long life and good high-discharge characteristics. Hydrogen storage alloy for cell wherein its general expression is as follows: RNia Cob Alc Mnd | 06/29/1999 |
| 5866067 | High purity chromium metal by casting with controlled oxygen content The present invention relates to high purity chromium metal suitable for deposition onto a semiconductor wafer or other substrate by sputtering. The high purity chromium metal is produced by a process that increases productivity, expands melting capabilit... | 02/02/1999 |
| 5866068 | Heat-resistant alloy A heat-resistant alloy suitable as a material for reactor tubes such as cracking tubes for producing ethylene in the petrochemical industry consisting essentially of, in % by weight, 0.1 to 0.5% of C, over 0% to not more than 4% of Si, over 0% to not more... | 02/02/1999 |
| 5718867 | Alloy based on a silicide containing at least chromium and molybdenum An alloy based on a silicide containing at least chromium and molybdenum contains the following constituents in atomic percent: chromium 41-55, molybdenum 13-35 and silicon 25-35, or chromium 35-55, molybdenum 13-35, silicon 13-35, yttrium 0.001-0.3, and/... | 02/17/1998 |
| 5709836 | Chromium steel sheets having an excellent press formability A chromium steel sheet having excellent press formability, particularly deep-drawing formability and resistance to secondary work brittleness. The construction is a chromium steel sheet including C: not more than 0.03 wt %, Si: not more than 1.0 wt %, Mn:... | 01/20/1998 |
| 5662864 | Fe-Cr alloy exhibiting excellent ridging resistance and surface characteristics It is directed to provide an Fe--Cr alloy exhibiting an excellent ridging resistance and surface characteristic, comprising: 0.01% (percent by weight; the same as below) or less of C; 1.0% or less of Si; 1.0% or less of Mn; 0.01 or less of S; 9% or more to 50% or l... | 09/02/1997 |
| 5578266 | Alloys suitable for hydrogen storage, method of producing the same and electrode using the same Disclosed are a hydrogen storage alloy which contains carbon in a proportion of from 30 to 500 ppm and is represented by the stoichiometric formula Ax B5.0, wherein A is La or a mixture of La with at least one rare earth metal other ... | 11/26/1996 |
| 5482577 | Amorphous alloys resistant against hot corrosion An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of at least one element selected from the group of Al and Cr and at least one element selected from refractory metals of Mo. W... | 01/09/1996 |
| 5460663 | High corrosion resistant amorphous alloys Amorphous alloys having an extremely high corrosion resistance comprise Cr and at least one element selected from Ta and Nb, as essential components, and are spontaneously passive owing to the formation of stable protective films, even in very corrosive e... | 10/24/1995 |
| 5454884 | Amorphous alloys resistant against hot corrosion An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of at least one element selected from the group of Al and Cr and at least one element selected from refractory metals of Mo. W... | 10/03/1995 |
| 5447683 | Braze for silicon carbide bodies Dense monolithic SiC or SiC ceramic composites are strongly bonded using brazing compositions which, in their preferred composition, include a braze alloy consisting essentially of less than 50 weight percent silicon and at least two metals from the group... | 09/05/1995 |
| 5425822 | Hard facing chromium-base alloys A hard facing chromium-base alloy consisting essentially of 30.0 to 48.0% by weight of nickel. 1.5 to 15.0% by weight of tungsten and/or 1.0 to 6.5% by weight of molybdenum, the balance being more than 40.0% by weight of chromium, and the maximum sum of t... | 06/20/1995 |
