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| Number | Title | Issue Date |
| 7371428 | Duplex gas phase coating Method of forming different diffusion aluminide coatings on different surface regions of the same superalloy substrate involves positioning the substrate in a coating chamber having a aluminum-bearing coating gas flowing therein with a first substrate surface region... | 05/13/2008 |
| 7371426 | Method for repairing components using environmental bond coatings and resultant repaired components According to an embodiment of the invention, a repaired component is disclosed. The repaired component comprises an engine run component having a base metal substrate, a portion of the base metal substrate between about 1-3 mils in thickness and an overlying bond co... | 05/13/2008 |
| 7354660 | High performance alloys with improved metal dusting corrosion resistance Alloy compositions which are resistant to metal dusting corrosion are provided by the present invention. Also provided are methods for preventing metal dusting on metal surfaces exposed to carbon supersaturated environments. The alloy compositions include an alloy (... | 04/08/2008 |
| 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 |
| 7156979 | Thermal cracking process using tubes, pipes, and coils made of novel stainless steel matrix A thermal cracking process using tubes, pipes, and coils made of. An outermost surface covering not less than 55% of stainless steel, said surface having a thickness from 0.1 to 15 microns and being a spinel of the formula MnxCr3-xO... | 01/02/2007 |
| 7132018 | Magnetic core insulation Disclosed herein is an insulating material between adjacent metal layers of a soft magnetic core, and a process for forming this insulating material. The insulating material is composed of the native metal oxides of the metallic core material. ... | 11/07/2006 |
| 7105065 | Metal layer forming methods and capacitor electrode forming methods A capacitor electrode forming method includes chemisorbing a layer of at least one metal precursor at least one monolayer thick on a substrate, the layer including non-metal components from the precursor. The chemisorbed layer can be treated with an oxidant and the ... | 09/12/2006 |
| 7094444 | Method for repairing coated components using NiAl bond coats According to an embodiment of the invention, a method for repairing a coated high pressure turbine blade, which has been exposed to engine operation, to restore coated airfoil contour dimensions of the blade, and improve upon the prior bond coat is disclosed. The me... | 08/22/2006 |
| 7077919 | Magnetic core insulation Disclosed herein is an insulating material between adjacent metal layers of a soft magnetic core, and a process for forming this insulating material. The insulating material is composed of the native metal oxides of the metallic core material. ... | 07/18/2006 |
| 7078073 | Method for repairing coated components According to an embodiment of the invention, a method for repairing a coated high pressure turbine blade, which has been exposed to engine operation, to restore coated airfoil contour dimensions of the blade, is disclosed. The method comprises providing an engine ru... | 07/18/2006 |
| 7079624 | X-Ray tube and method of manufacture The present invention is directed to an air-cooled radiographic apparatus, and its method of manufacture, that utilizes a single integral housing for providing an evacuated envelope for an anode and cathode assembly. The integral housing is preferably formed from a ... | 07/18/2006 |
| 7061728 | High linear density read head with a contiguous junction and minimal shield shorts In a magnetic head a read sensor is located between first and second read gap layers wherein the first read gap layer includes a read gap material layer and first and second refill gap layers. The read gap material layer has first and second depressions which extend... | 06/13/2006 |
| 7037390 | Method of heat treatment for Ni-base alloy tube A method of heat treatment for an efficient forming of two-layered oxide film on the inside surface of a Ni-base alloy tube. The oxide film suppresses the Ni release in a high-temperature water environment. At least two gas supplying devices are provided on t... | 05/02/2006 |
| 7008553 | Method for removing aluminide coating from metal substrate and turbine engine part so treated A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition comprising nitric acid at a temperature less than about 20° C. to deg... | 03/07/2006 |
| 6974517 | Lid with window hermetically sealed to frame, and a method of making it An apparatus (10) includes a digital micromirror device (16) disposed within a housing (11) that has an opening (13) hermetically sealed by a lid (17). The lid includes a radiation transmissive window (22) with peripheral ed... | 12/13/2005 |
| 6946062 | Electropolish/grinding means for an inner surface of a long tube The present invention is an electropolishing/grinding device for an inner surface of a long tube, including at least one long tube, one electrode, at least two partitions, one fixed magnet mechanism, one driving apparatus and an axial driven mechanism. The fixed mag... | 09/20/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 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 |
| 6908026 | Method and apparatus for making a lid with an optically transmissive window A metal plate (126) has a plurality of openings (127) extending through it, and is cleaned using a wet hydrogen process (157). Glass windows (106) are then placed in the openings, and are each fused to the metal plate by heat (231)... | 06/21/2005 |
| 6884363 | Method of surface treatment for stainless steel product for fuel cell A method for treating the surface of a stainless steel product for a fuel cell containing, in wt %, 0.15% or less of C, 17 to 36% of Cr, 0.005 to 3.5% of B, which comprises the first step of forming in advance a passive film with an oxidizing acid on the surface of ... | 04/26/2005 |
| 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 |
| 6843861 | Method for preventing the formation of secondary reaction zone in susceptible articles, and articles prepared by the method A coated nickel-base superalloy article, which is otherwise susceptible to the formation of a secondary reaction zone, is prepared by furnishing a nickel-base superalloy article substrate having thereon an initial aluminum-containing coating comprising an initial-co... | 01/18/2005 |
| 6758917 | High temperature gaseous oxidation for passivation of austenitic alloys A method for forming a chromium-rich layer on the surface of a nickel alloy workpiece containing chromium includes heating the workpiece to a stable temperature of about 1100° C., and then exposing the workpiece to a gaseous mixture containing water vapor and one o... | 07/06/2004 |
| 6752881 | Metalliferous storage material for hydrogen and method for producing same In a metalliferous storage material for hydrogen a metal oxide is provided in or on the surface of the metalliferous materialas a catalyst for the hydrogenation or dehydrogenation of the metalliferous storage material. ... | 06/22/2004 |
| 6730179 | Method for producing local aluminide coating Method for localized aluminide coating applied for the first time or as repair includes creating a contained space by disposing coating material comprising an aluminum source and a halide activator at least partially over and in an out-of-contact relation with a tar... | 05/04/2004 |
| 6723177 | Life extension of chromium coating and chromium alloys A process for treating a chromium coating and/or the surface of a chromium alloy to increase hardness, and/or to decrease coefficient of friction; chromium alloys and/or chromium coatings with surfaces having increased hardness and/or decreased coefficient of fricti... | 04/20/2004 |
| 6699592 | Galvannealed steel sheet and method for manufacturing the same The invention provides a galvannealed steel sheet which has an oxide layer having 10 nm or larger thickness on the plateau of the coating layer flattened by temper rolling. With the use of the galvannealed steel sheet, no powdering occurs during press-for... | 03/02/2004 |
| 6695931 | Composition and method for metal coloring process This invention is a method for forming a chemical conversion coating on ferrous metal substrates, the chemical solutions used in the coating and the articles coated thereby. By modifying and combining the features of two existing, but heretofore unrelated... | 02/24/2004 |
| 6679951 | Metal anneal with oxidation prevention The invention relates generally to the prevention of copper oxidation during copper anneal processes. In one aspect of the invention, copper oxidation is prevented by carrying out the anneal in the presence of one or more organic reducing agents.... | 01/20/2004 |
| 6669786 | Self-healing non-chromate coatings for aluminum and aluminum alloys Disclosed are processes and compositions of solutions for chromate-replacement coatings for aluminum and aluminum alloys. A preferred method includes forming a boehmite coating layer that includes Al (III) ions on an aluminum surface, and applying an ioni... | 12/30/2003 |
| 6648988 | Furnace run length extension by fouling control Furnace run length extension by fouling control utilizing a pigging-passivation process.... | 11/18/2003 |
| 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 |
| 6613161 | Process for laser marking metal surfaces A method of laser marking which comprises applying a laser beam to a metal surface under the influence of an assist gas to produce durable, repeatable and striking colors on the metal surface. The method provides an easy and flexible alternative to conven... | 09/02/2003 |
| 6612898 | Method for forming oxidation-passive layer, fluid-contacting part, and fluid feed/discharge system A method for forming an oxidation-passive layer having high corrosion resistance to highly oxidizing materials such as ozone; a stainless steel and a titanium base alloy having corrosion resistance to an ozone containing fluid; and a fluid containing part... | 09/02/2003 |
| 6607613 | Solder ball with chemically and mechanically enhanced surface properties A metal alloy solder ball comprising a first metal and a second metal, the first metal having a sputtering yield greater than the second metal. The solder ball comprises a bulk portion having a bulk ratio of the first metal to the second metal, an outer s... | 08/19/2003 |
| 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 |
| 6589365 | Method of forming an oxide film on a metallic member A hydrogen peroxide solution is applied onto the surface of a metallic member to oxidize the metallic member and to form the oxide film. At this time, a light beam is irradiated towards the metallic member through the hydrogen peroxide solution to promote... | 07/08/2003 |
| 6582531 | X-ray tube and method of manufacture The present invention relates to structures within an x-ray device including an x-ray can, an x-ray can window frame insert, a rotor sleeve, and a bearing support assembly for a rotor structure. The various structures are fabricated from a chromium alloy ... | 06/24/2003 |
