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| Number | Title | Issue Date |
| 7803235 | Passivation of tantalum and other metal powders using oxygen A method to passivate a metal or metal oxide or metal suboxide powder, especially a valve metal powder such as tantalum or niobium and the passivated powders formed therefrom are described. The method includes passivating a starting powder with a gas having at least... | 09/28/2010 |
| 7604703 | Primarily niobium stent In a process of fabricating a stent composed primarily of niobium alloyed with a trace amount of zirconium, tantalum, or titanium for hardening, the stent is annealed under vacuum in a substantially oxygen-free environment. The vacuum is preferably maintained at pre... | 10/20/2009 |
| 7300622 | Device for generating nanostructures The present invention concerns a method for generating nanostructures in order to obtain in an area on the surface of a metal piece (10) a nanostructured layer of defined thickness, characterized in that it comprises: a step for projecting onto an impact poin... | 11/27/2007 |
| 7276129 | Surface treating methods of titanium parts Surface treating methods of a titanium part may include the steps of determining an effective thickness of a hard oxide film to be formed on a surface of the titanium part, determining an effective surface roughness of the hard oxide film, and oxidation treating the... | 10/02/2007 |
| 7267805 | Particle trap and assemblies and exhaust tracts having the particle trap A particle trap, which may be installed in a pipe, e.g. in an exhaust tract of a motor vehicle, is provided for the agglomeration and oxidation of particles in a fluid flow and includes a multiplicity of substantially rectilinear and mutually parallel flow passages ... | 09/11/2007 |
| 7228836 | Spring retainer and method for manufacturing the same A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly. ... | 06/12/2007 |
| 7208055 | Thermal Treatment Method An article of titanium or a titanium-based alloy, or of zirconium or a zirconium-based alloy is case hardened by heat treatment for at least 12 hours at one or more temperatures in the range of 850° C. to 900° C. and at a pressure in the order of atmospheric press... | 04/24/2007 |
| 7182822 | Metal material with modified surface, preparation method and use of same A metal material whose surface is modified by bonding of aromatic groups, optionally substituted by functional groups. ... | 02/27/2007 |
| 7149076 | Capacitor anode formed of metallic columns on a substrate Capacitor anodes that include metallic columns formed on a substrate so as to form a porous microstructure and methods of making the anodes are described. The metallic columns can be distinct from one another and project outward from the substrate. Also described is... | 12/12/2006 |
| 6974923 | Electric contact and breaker using the same A high quality electrical contact that is made of a Cd free Ag alloy and can be applied to a breaker is provided. The electrical contact is made of an Ag alloy containing Sn and In each 1 to 9% by weight, and has a first layer as the surface layer and a secon... | 12/13/2005 |
| 6933053 | Alpha Al2O3 and Ti2O3 protective coatings on aluminide substrates In accordance with one aspect of the present invention, a process for forming a specific reactive element barrier on a titanium and aluminum containing substrate is provided. The process includes creating a dry air atmosphere with a concentration of water vapor belo... | 08/23/2005 |
| 6875334 | Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface A method, a composition and a method for making the composition for anodizing metal surfaces, especially magnesium surfaces is disclosed. The composition is a basic aqueous solution including hydroxylamine, phosphate anions and nonionic surfactants. A complementary ... | 04/05/2005 |
| 6855212 | Elevated temperature oxidation protection coatings for titanium alloys and methods of preparing the same Oxidation protection of a titanium-based alloy is provided with improved fatigue properties by a titanium aluminide coating of between 2 to 12 microns by diffusing the Al into the Ti at a temperature below the melting point of the Al. The coating is gas deposited an... | 02/15/2005 |
| 6833197 | Method of case hardening A method of case hardening an article formed of titanium, zirconium or an alloy of titanium and/or zirconium is disclosed. First, the article is heat-treated in an oxidizing atmosphere at a temperature in the range of 700 to 1000° C. so as to form an oxide layer on... | 12/21/2004 |
| 6800153 | Method for producing β-titanium alloy wire The diamter of β-titanium alloy wire is reduced by cold wire-drawing and the β-titanium alloy wire is subjected to heat treatment. The heat treatment comprises the first aging process for precipitation strengthening and the second aging process for removing proces... | 10/05/2004 |
| 6776918 | Titanium composite material The invention provides a titanium composite material comprising a bonded laminate having a layer of macromolecular material bonded to the modified surface of a titanium sheet or a titanium alloy sheet, and a process for preparing a titanium composite material, the p... | 08/17/2004 |
| 6773515 | FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structures A method for forming an NiCr seed layer based bottom spin valve sensor element having a synthetic antiferromagnet pinned (SyAP) layer and a capping layer comprising either a single specularly reflecting nano-oxide layer (NOL) or a bi-layer comprising a non-metallic ... | 08/10/2004 |
| 6759134 | Process of forming a metallic article having a black oxide/ceramic surface and articles produced by the method A process for forming a metallic article having a black ornamental surface includes the steps of metallurgically providing an alloy containing between about 51 and 70 about percent by weight of titanium, between about 3 and about 17 percent by weight of niobium, and... | 07/06/2004 |
| 6740420 | Substrate having a modified native oxide layer for improved electrical conductivity A method for improving the electrical conductivity of a substrate of metal, metal alloy or metal oxide comprising depositing a small or minor amount of metal or metals from Group VIIIA metals (Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt) or from Group IA metals (Cu, Ag, Au) ... | 05/25/2004 |
| 6723176 | Component covered with a layer and method of producing such a layer In a method of producing on the surface of a component which consists of a titanium alloy or an intermetallic phase on the basis of titanium, a protective layer (according to the formula Ti5,0−xAgx+yAl3,0−yO2 | 04/20/2004 |
| 6670050 | Titanium-based heat exchangers and methods of manufacture Oxidation protection of a titanium heat exchanger is provided by a titanium aluminide or solgel coating. The coating protects bare titanium and brazed surfaces of the heat exchanger.... | 12/30/2003 |
| 6648987 | Method for producing nanostructures in thin films The invention relates to a method for producing a layer with a sub-micrometre structure on a substrate. First, a layer is formed on the substrate. Agents for creating elastic strains are then formed in at least one predetermined position on the layer and ... | 11/18/2003 |
| 6635124 | Method of depositing a thermal barrier coating A process of forming a ceramic coating on a component. The process generally entails placing the component in a coating chamber containing oxygen and an inert gas, heating a surface of the component to a temperature of about 100 to about 150° C., and the... | 10/21/2003 |
| 6623541 | Sintered rare earth magnet and making method A sintered rare earth magnet consisting essentially of 20-30% by weight of R (wherein R is Sm or a mixture of Sm and another rare earth element), 10-45% by weight of Fe, 1-10% by weight of Cu, 0.5-5% by weight of Zr, and the balance of Co has on its surfa... | 09/23/2003 |
| 6599636 | -Al2O3 and Ti2O3 protective coatings on aluminide substrates A titanium aluminide substrate (4) is vulnerable to air oxidation, limiting the use of this substrate in a variety of industrial applications, including the aircraft and aerospace industries. A bilayer reactive barrier (2) is formed on a titanium aluminid... | 07/29/2003 |
| 6592683 | Ti alloy surface treatment Ti alloy is embedded in a powder such as graphite and heated with the powder in an oxygen atmosphere. Oxygen atoms are diffused into the Ti alloy to form an oxygen diffusion layer of Ti--O solid solution, thereby increasing wear resistance of the valve. A... | 07/15/2003 |
| 6521052 | Surface treatment A simple surface treatment process is provided which offers a high performance surface for a variety of applications at low cost. This novel surface treatment, which is particularly useful for Ti-6Al-4V alloys, is achieved by forming oxides on the surface... | 02/18/2003 |
| 6508891 | Method of manufacturing hydrogen-absorbing alloy electrode The method of manufacturing a hydrogen-absorbing alloy electrode according to this invention comprises the steps of: dissolving a particle surface of said hydrogen-absorbing alloy by a surface-treatment solution; and washing the hydrogen-absorbing alloy w... | 01/21/2003 |
| 6503341 | Self-compensating spiral for a spiral balance-wheel in watchwork and process for treating this spiral This self-compensating spiral for a mechanical spiral balance-wheel oscillator in watchwork or other precision instrument, made of a paramagnetic alloy, contains at least one of the elements Nb, V, Ta, Ti, Zr, Hf and is covered with a substantially unifor... | 01/07/2003 |
| 6458218 | Deposition and thermal diffusion of borides and carbides of refractory metals A method is provided for depositing and thermally diffusing a boride or a carbide of a refractory metal on a substrate of a workpiece. A layer of the refractory metal is deposited on the substrate. At least one of the elements boron and carbon is deposite... | 10/01/2002 |
| 6451129 | Titanium-base decoration member and method for curing the same A decorative titanium material according to the present invention eliminates a deterioration of the appearance even after processing, that is, provides a small surface roughness, and has a hardened layer of titanium at the surface of the titanium material... | 09/17/2002 |
| 6410154 | Tial-based alloys with excellent oxidation resistance, and method for producing the same The invention relates to TiAl-base alloys with excellent oxidation resistance, and a method for producing the same. The TiAl-base alloy of the invention comprises a substrate and a surface part formed on the substrate, the surface part comprising at least... | 06/25/2002 |
| 6410886 | Nitinol heater elements An electrical resistive heating system having a Nitinol heater element in the form of wire, rod strip or tube, is flexible, ductile, tough aid chemically non-reactive. The element has connectors at each end for leads from a controller that controls the fl... | 06/25/2002 |
| 6364966 | Method for manufacturing acoustic vibration plate A method for manufacturing an acoustic vibration plate includes molding titanium metal into a shape of an acoustic vibration plate in order to obtain a titanium vibration plate, and performing a heat treatment on the titanium vibration plate by a ceramic-... | 04/02/2002 |
| 6358331 | Method for improving quality of triniobium tin superconductor in manufacturing environment by controlling iron content in molten tin bath A tin alloy bath with controlled iron content is used for coating a niobium-base substrate with tin in a manufacturing process for triniobium tin superconductor. One hundred twenty-five parts per million by weight or less of iron is used in tin alloy bath... | 03/19/2002 |
| 6340398 | Oxidation protective coating for Mo-Si-B alloys A method for enhancing the oxidation resistance of substrates fabricated from metallic molybdenum and alloys containing at least 50% molybdenum which comprises depositing silicon on the surface of the substrate under conditions which cause the formation o... | 01/22/2002 |
| 6312533 | Stainless steel material with excellent antibacterial property and process for producing the same The present invention provides a BA-finished stainless steel product having superior antibacterial properties and corrosion resistance and a method for producing the same. Specifically, after a stainless steel product is subjected to BA treatment, the sta... | 11/06/2001 |
| 6287433 | Insoluble titanium-lead anode for sulfate electrolytes An insoluble anode for sulfate electrolytes composed of, generally, from 1 to 99 wt % titanium or titanium alloy and the remainder lead or lead alloy, comprising a titanium-lead active layer, or a titanium-lead active layer covering and a core being made ... | 09/11/2001 |
| 6284058 | Method of aluminizing metal alloys by weld overlay using aluminum and aluminum alloy filler metal A method of aluminizing metals with a coating of aluminum or aluminides.... | 09/04/2001 |
| 6270571 | Method for producing narrow wires comprising titanium oxide, and narrow wires and structures produced by the same method A method for producing narrow wires including titanium oxide of high crystallinity and diameter of the order of nanometer, in particular whiskers of titanium oxide, and including a first step of preparing a base having a titanium-including surface, second... | 08/07/2001 |
