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| Number | Title | Issue Date |
| 7322155 | Stud with heat sink A stud of the type attached to a furnace wall or boiler tube has a plurality of projections extending from the top of the stud which act as a heat sink. The projections also have a corrosion or erosion resistant coating such as a chromium diffusion layer. The stud a... | 01/29/2008 |
| 7314674 | Corrosion resistant coating composition, coated turbine component and method for coating same A composition comprising a particulate corrosion resistant component, and a glass-forming binder component. The particulate corrosion resistant component comprises from 0 to about 95% alumina particulates, and from about 5 to 100% corrosion resistant non-alumina par... | 01/01/2008 |
| 7294167 | Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy Alloy powder for forming a hard phase for a valve seat material having excellent high temperature wear resistance. The overall composition is consisted of Mo: 48 to 60 mass %, Cr: 3 to 12 mass % and Si: 1 to 5 mass %, and the balance of Co and inevitable impurities.... | 11/13/2007 |
| 7150897 | Method of making a cemented carbide tool and a cemented tool According to the present invention there is now provided a cemented carbide body provided with at least one wear resistant layer, which body contains a toughness increasing surface zone. Increase in toughness is obtained due to the presence of a surface zone having ... | 12/19/2006 |
| 7101448 | Process for producing a cladding for a metallic component The invention relates to a process for producing a cladding for a metallic component, such as for example a tip of a turbine blade, which cladding is provided on that surface of the component which is to be clad, the process being simple and inexpensive to carry out... | 09/05/2006 |
| 6932897 | Titanium-containing metals with adherent coatings and methods for producing same A method for plating a titanium-containing metal, comprising the steps of: (a) surface treating the titanium-containing metal in a solution consisting essentially of an aqueous solvent and hydrochloric acid for a period of time sufficient to activate the surface of ... | 08/23/2005 |
| 6913791 | Method of surface treating titanium-containing metals followed by plating in the same electrolyte bath and parts made in accordance therewith A method for surface treating a titanium-containing metal, comprising the steps of: (a) treating at least a portion of a surface of the titanium-containing metal with an anodic activation in an electrolyte bath; and (b) strike plating at least a portion of the surfa... | 07/05/2005 |
| 6893737 | Low cost aluminide process for moderate temperature applications A low cost aluminide process for moderate temperature applications. A gas turbine engine component is cleaned and coated with a layer of metal, generally aluminum, containing paint. The metal containing paint layer is heated to a first temperature for a first period... | 05/17/2005 |
| 6884524 | Low cost chrome and chrome/aluminide process for moderate temperature applications A low cost chromide and chromide/aluminide process for moderate temperature applications. A gas turbine engine component is cleaned and coated with a layer of metal, generally chromium or chromium and aluminum, containing paint. The metal containing paint layer is h... | 04/26/2005 |
| 6881439 | Aluminide coating process An aluminiding process that enables the cooling holes of an air-cooled component, such as a hot gas path component of a gas turbine engine, to be machined and then aluminized after all external surface coatings have been deposited. The aluminide coating is deposited... | 04/19/2005 |
| 6833164 | Single-step heat treating and surface coating on self-piercing rivets A single-step heat treating and surface coating process is provided for steel self-piercing rivets for joining 5xxx and 6xxx aluminum panels. In this process, two coats of zinc and aluminum flakes in an inorganic binder are applied to the steel rivets. After each co... | 12/21/2004 |
| 6821557 | Tungsten film coating method using tungsten oxide powders Disclosed is a tungsten film coating method using tungsten oxide powders including the steps of contacting the tungsten oxide powders with a metal substrate and carrying out thermal reduction treatment thereon at a temperature of at least 650° C. under a hydrogen a... | 11/23/2004 |
| 6800326 | Method of treating a surface of a surface of a substrate containing titanium for an ornament A method for treating surfaces of titanium or titanium alloys which includes the steps of applying a treatment for removing surface adhesion substances from the surface and then forming a transparent protective layer on the surface. ... | 10/05/2004 |
| 6770383 | Plated material, method of producing same, and electrical/electronic part using same To provide a plated material having both high heat-resistance and good insertability/extractability. The plated material comprises an undercoating of any one of metals belonging to group 4, group 5, group 6, group 7, group 8, group 9 or group 10 of the periodic tabl... | 08/03/2004 |
| 6761929 | Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes A method is provided for the preparation of metal/porous substrate composite membranes by flowing a solution of metal to be plated over a first surface of a porous substrate and concurrently applying a pressure of gas on a second surface of the porous substrate, suc... | 07/13/2004 |
| 6652914 | Method for selective surface protection of a gas turbine blade which has previously been in service A gas turbine blade which has previously been in service is protected by cleaning the gas turbine blade, and then first depositing a platinum first layer on the airfoil and the platform of the gas turbine blade. Thereafter, a platinum second layer is depo... | 11/25/2003 |
| 6645560 | Oxidation resistant coatings for niobium-based silicide composites An environmentally resistant coating (34) for improving the oxidation resistance of a niobium-based refractory metal intermetallic composite (Nb-based RMIC) at high temperatures, the environmentally resistant coating (34) comprising silicon, titanium, chr... | 11/11/2003 |
| 6638573 | Spectacles frame surface treatment method As a method of treating a frame of spectacles which enables fine color modulation with ease, good reproducibility, and at low cost, there is provided a method of treating the surface of a frame of spectacles characterized in that a surface treating compos... | 10/28/2003 |
| 6607787 | Process for producing a coating on a refractory structural member A process for producing a coating on a refractory structural member, in which a noble metal alloy is applied as a coating material to the refractory structural member. The noble metal alloy contains, among other constituents, an oxidizable substance, whic... | 08/19/2003 |
| 6602354 | Method for producing a tin-nickel alloy film A tin layer and a nickel layer are stacked sequentially on a given substrate to form a multilayered film composed of the tin layer and the nickel layer. Then, the multilayered film is heated to a given temperature to form a tin-nickel alloy film through t... | 08/05/2003 |
| 6585878 | Thermal barrier coating having a thin, high strength bond coat A thermal barrier coating for nickel based superalloy articles such as turbine engine vanes and blades that are exposed to high temperature gas is disclosed. The coating includes a columnar grained ceramic layer applied to a platinum modified Ni3 | 07/01/2003 |
| 6537388 | Surface alloy system conversion for high temperature applications Chromium, silicon, aluminum, and optionally manganese are diffused onto the surface of a high temperature alloy product, to provide a coating having improved resistance to carburization and catalytic coke formation and smoother surfaces for high temperatu... | 03/25/2003 |
| 6511630 | Method for forming a coating by use of foam technique A method for coating a surface of a substrate, includes providing a substrate having a surface, and coating the surface with a foam suspension containing a powder suspended in a foam to form a coating on the surface. The substrate is then heat treated to ... | 01/28/2003 |
| 6497920 | Process for applying an aluminum-containing coating using an inorganic slurry mix An internal passage of an article such as a gas turbine airfoil is coated with an aluminum-containing coating. To accomplish this coating process, a coating slurry of a mixture of a carrier component of water and a hectorite clay or a bentonite clay, toge... | 12/24/2002 |
| 6491766 | Activated nickel screens and foils A coating composition and process have been developed to provide an activated coating on nickel screen for use as cathodes in electrolytic cells for the generation of hydrogen and oxygen. Compared to the earlier Classical Pack Cementation process, the dis... | 12/10/2002 |
| 6485792 | Endurance of NiA1 coatings by controlling thermal spray processing variables A method for applying substantially stoichiometric NiAl to the surface of a superalloy substrate. These coatings are applied to substrates subjected to high temperatures and thermal cycling by providing a powder of the substantially stoichiometric materia... | 11/26/2002 |
| 6440499 | Method for producing a slip layer which is resistant to corrosion and oxidation A method for producing a corrosion-resistant and an oxidation-resistant coating on a component in which a slurry is formed by mixing a binder solution with (1) a base powder selected from the group consisting of (a) MCrAlY wherein M is Ni or Co or both, (... | 08/27/2002 |
| 6372299 | Method for improving the oxidation-resistance of metal substrates coated with thermal barrier coatings A method for providing a protective coating on a metal-based substrate is disclosed. The method involves the application of an aluminum-rich mixture to the substrate to form a discontinuous layer of aluminum-rich particles, followed by the application of ... | 04/16/2002 |
| 6326063 | Method of production of self-fusing alloy spray coating member A member covered with a self-fluxing alloy sprayed coating is produced by previously forming a porous ceramic sprayed coating on a surface of a self-fluxing alloy sprayed coating prior to a refusing treatment of the coating formed on a substrate, heating ... | 12/04/2001 |
| 6302975 | Method for increasing fracture toughness in aluminum-based diffusion coatings A method for improving the fracture toughness for aluminum-based diffusion coatings by thermal spray means to simultaneously apply aluminum, chromium, boron, and/or silicon onto a steel workpiece, followed by heat treatment of the workpiece for a sufficie... | 10/16/2001 |
| 6299935 | Method for forming a coating by use of an activated foam technique A method for coating a surface of a substrate includes providing a substrate having a surface, coating the surface with a foam suspension containing a powder suspended in a foam to form a coating on the surface, wherein the coating has an activator; and s... | 10/09/2001 |
| 6221530 | Mercury-free zinc anode for electromechanical cell and method for making same An anode for use in an electrochemical cell comprises a plate of non-particulate, mercury-free zinc metal and a coating of indium metal on at least a portion of the zinc plate surface. The anode is particularly useful in a rechargeable metal-air cell. The... | 04/24/2001 |
| 6203847 | Coating of a discrete selective surface of an article A method for restoring or enhancing an environmental resistant coating of a coating total thickness within a coating design thickness range on a metal substrate of an article includes the application of a restoring or enhancing metal to at least one discr... | 03/20/2001 |
| 6197437 | Casting alloys and method of making composite barrels used in extrusion and injection molding A composite barrel for use in extrusion or injection molding is disclosed. The composite barrel includes an outer housing having a cylindrical bore that extends throughout the length of the outer housing. A wear-resistant lining is disposed on an interior... | 03/06/2001 |
| 6190785 | Spray coating powder material and high-temperature components coated therewith This invention relates to a spray coating powder material which, when applied to gas turbines using a crude low-quality fuel oil as fuel, has sufficiently higher corrosion resistance to sulfur, vanadium, sodium and other substances that accelerate corrosi... | 02/20/2001 |
| 6176945 | Coating technique Disclosed herein is a method of coating a substrate with a zinc dialkyldithiophosphate (ZDDP) material, comprising the steps of selecting a substrate which is reactive with said ZDDP material; providing an atmosphere containing said ZDDP material at a pre... | 01/23/2001 |
| 6146702 | Electroless nickel cobalt phosphorous composition and plating process A process is provided for enhancing the wear resistance of aluminum and other materials by depositing on the substrate a nickel, cobalt, phosphorous alloy coating using an electroless plating bath to provide a plated alloy having a cobalt content of at le... | 11/14/2000 |
| 6139976 | Article having a superalloy substrate and an enrichment layer placed thereon, and methods of its manufacturing The invention relates to an article of manufacture comprising: a substrate composed of a superalloy containing chromium and a base element selected from the group consisting of iron, cobalt, and nickel; and an enrichment layer containing chromium and plac... | 10/31/2000 |
| 6103404 | Laser textured magnetic disk comprising NiNb A method for manufacturing a magnetic disk comprises the steps of depositing NiP (20) on a substrate (22); depositing NiNb (24) on the NiP; and laser texturing the NiNb. "Sombrero" shaped texture features are more easily formed on the substrate/NiP/NiNb s... | 08/15/2000 |
| 6086726 | Method of modifying a surface The present invention provides a surface modification method that provides beneficial changes in surface properties, can modify a surface to a greater depth than previous methods, and that is suitable for industrial application. The present method compris... | 07/11/2000 |
