Patent application number | Description | Published |
20100172789 | METHOD OF COATING WITH CRYO-MILLED NANO-GRAINED PARTICLES - A method of coating a substrate with cryo-milled, nano-grained particles includes forming a face-centered-cubic gamma matrix comprising nickel, cobalt, chromium, tungsten and molybdenum, adding a dispersion strengthening material to the gamma matrix to form a first mixture, cryo-milling the first mixture to form a second mixture to form a nano-grained structure, and cold spraying the second mixture onto a substrate to form a coating having a nano-grained structure. | 07-08-2010 |
20100304084 | PROTECTIVE COATINGS WHICH PROVIDE EROSION RESISTANCE, AND RELATED ARTICLES AND METHODS - A coating composition is described, having a first coating layer which includes a metallic matrix in which metal carbide particles are dispersed; and a hard, dense second coating layer disposed over the first coating layer. The second coating layer is formed from a metal nitride-type material, and has an average roughness of less than about 80 micro-inches (Ra). Related articles and processes are also disclosed. | 12-02-2010 |
20100304181 | PROTECTIVE COATINGS WHICH PROVIDE EROSION RESISTANCE, AND RELATED ARTICLES AND METHODS - A coating composition is described, having a first coating layer which includes a nickel-chromium matrix in which metal carbide particles are dispersed; and a hard, dense second coating layer disposed over the first coating layer. The second coating layer is formed from a metal nitride-type material, and has an average roughness of less than about 80 micro-inches (Ra). Related articles and processes are also disclosed. | 12-02-2010 |
20110165433 | Erosion and corrosion resistant coating system for compressor - Process for providing a protective coating to a metal surface by applying a nickel or tantalum plate layer to the surface and dispersing particles of a hard material such as diamond, alumina, vanadium nitride, tantalum carbide and/or tungsten carbide within the nickel or tantalum plate layer as the plating is occurring. | 07-07-2011 |
20110312860 | WEAR-RESISTANT AND LOW-FRICTION COATINGS AND ARTICLES COATED THEREWITH - A composition for a wear-resistant and low-friction coating is presented. The coating composition includes a hard ceramic phase, a metallic binder phase and a lubricant phase. The lubricant phase includes a multi-component oxide. An article having a wear-resistant and low-friction coating and a method of making such a coating are also described. | 12-22-2011 |
20120129000 | VANADIUM RESISTANT COATING SYSTEM - A vanadium resistant coating system resistant to high temperature vanadium attack. The system comprises a high temperature superalloy substrate. A bond coat overlies the superalloy substrate. The bond coat may be applied in multiple layers. A ceramic coating overlies the bond coat. The ceramic coating further comprises a zirconium oxide stabilized by at least one cation selected from the group consisting of Yb | 05-24-2012 |
20120200304 | SYSTEM AND METHOD FOR USE IN DETERMINING THE THICKNESS OF A LAYER OF INTEREST IN A MULTI-LAYER STRUCTURE - A method for use in determining the thickness of a layer of interest in a multi-layer structure. A first electrode is positioned in contact with a first surface of the multi-layer structure, and a second electrode is positioned in contact with a second surface of the multi-layer structure. The second surface is substantially opposite the first surface. The first electrode is pressed against the multi-layer structure at a predetermined sampling pressure, and the structure is optionally adjusted to a predetermined sampling temperature. The electrical impedance between the first electrode and the second electrode is measured. | 08-09-2012 |
20130042456 | SELF-LUBRICATING BRUSH SEAL ASSEMBLY AND METHOD OF REDUCING LEAKAGE - A self-lubricating brush seal assembly, for a power generation system and method of reducing air leakage in a power generation system including a plurality of self-lubricating members is provided. The plurality of self-lubricating members include a plurality of self-lubricating bristles, a plurality of cores sheathed in a self-lubricating braid, a plurality of cores having an outer diameter coated with self-lubricating material and a solid lubricating pack. The lubricating material is selected from graphite, hexagonal-boron nitrite (hBN), molybdenum disulfide (MoS | 02-21-2013 |
20130084399 | COATING COMPOSITION, A PROCESS OF APPLYING A COATING, AND A PROCESS OF FORMING A COATING COMPOSITION - A coating composition, a process of applying a coating having a coating composition, and a process of forming a coating composition are disclosed. The coating composition includes an alloy and an oxide component comprising nickel oxide. The process of applying the coating includes cold spraying the coating onto the article. The process of forming the coating composition includes blending and milling the alloy with the oxide component. | 04-04-2013 |
20130101459 | TITANIUM ALUMINIDE APPLICATION PROCESS AND ARTICLE WITH TITANIUM ALUMINIDE SURFACE - A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder. | 04-25-2013 |
20130115867 | ENCLOSURE SYSTEM AND METHOD FOR APPLYING COATING - An enclosure system is provided having a shroud configured to cover at least a portion of a shaft. The shroud includes an input port and an output port. The input port is configured to accept at least one of a coating tool and an abrasive supplying tool. The output port is connected to a vacuum system. | 05-09-2013 |
20130177437 | PROCESSES FOR COATING A TURBINE ROTOR AND ARTICLES THEREOF - A process for applying a hard coating to a turbine rotor comprising providing a turbine rotor having at least one surface; applying a first coating to the at least one surface, the first coating being cold sprayed onto the at least one surface; applying a second coating onto the first coating to form the hard coating, wherein the hard coating is configured to substantially resist wear of a brush seal in physical communication with the turbine rotor. | 07-11-2013 |
20130177705 | APPLYING BOND COAT USING COLD SPRAYING PROCESSES AND ARTICLES THEREOF - A process for applying a bond coat layer to a substrate includes cold spraying a first powdered material onto a surface of the substrate at a first velocity, wherein the first powdered material has a first particle size distribution; and cold spraying a second powdered material onto the surface at a second velocity to form the bond coat layer, wherein the second powdered material has a second particle size distribution and the bond coat layer comprises a microstructure comprising at least the first and second particle sizes. | 07-11-2013 |
20130180432 | COATING, A TURBINE COMPONENT, AND A PROCESS OF FABRICATING A TURBINE COMPONENT - Disclosed is a coating, a turbine component, and a process of fabricating a turbine component. The coating includes a ceramic phase formed by ceramic particles and a ductile matrix having a ductility greater than the ceramic phase. The ceramic phase includes substantially the same microstructure as the ceramic particles. The turbine component includes a surface having the coating. The process includes applying the coating to the surface of the turbine component. | 07-18-2013 |
20130340403 | EROSION AND CORROSION RESISTANT COATINGS FOR EXHAUST GAS RECIRCULATION BASED GAS TURBINES - A compressor blade for use in a compressor section of a gas turbine engine, comprising: a martensitic stainless steel compressor blade and an abrasive coating having an anodic component. The compressor blade has a blade portion, a dovetail portion and a platform portion intermediate the blade portion and the dovetail portion, the blade portion terminating in a tip opposite the dovetail portion. A cobalt-based coating overlies at least the blade portion of the compressor blade. The cobalt-based coating comprises a cobalt based material that includes precipitates of tungsten carbide that provide erosion resistance and particles of a sacrificial metal-based material distributed through the cobalt-based coating that provide galvanic corrosion resistance to the system. | 12-26-2013 |
20140147242 | SEAL SYSTEMS FOR USE IN TURBOMACHINES AND METHODS OF FABRICATING THE SAME - A seal system, for an apparatus that includes a rotatable portion with airfoils coupled thereto and a stationary portion with an inner surface, includes an abradable portion including at least one abradable layer of an abradable material formed over the inner surface. The seal system also includes an abrading portion disposed over at least a portion of a substrate of the airfoil. The abrading portion includes at least one abrading layer formed on at least a portion of the substrate and a plurality of abrasive particles embedded within the abrading layer. The plurality of abrasive particles includes at least one of substantially all of one of tantalum carbide (TaC), aluminum oxide (Al | 05-29-2014 |
20140190834 | PLATING PROCESS - A plated component and a plating process are disclosed. The plating process includes applying a material to a region of a component, the material being selected from the group consisting of nickel, cobalt, chromium, iron, aluminum, or a combination thereof. The region includes a single crystal microstructure, includes a directionally solidified microstructure, is substantially devoid of equiaxed microstructure, or a combination thereof. The applying includes electroplating, electroless plating, or the electroplating and the electroless plating. The plated component includes an electroplated region, an intermediate layer on the electroplated region, and an overlay coating on the intermediate layer. | 07-10-2014 |
20140272467 | CALCIUM-MAGNESIUM-ALUMINOSILICATE RESISTANT COATING AND PROCESS OF FORMING A CALCIUM-MAGNESIUM-ALUMINOSILICATE RESISTANT COATING - A process of forming a calcium-magnesium-aluminosilicate (CMAS) penetration resistant coating, and a CMAS penetration resistant coating are disclosed. The process includes providing a thermal barrier coating having a dopant, and exposing the thermal barrier coating to calcium-magnesium-aluminosilicate and gas turbine operating conditions. The exposing forming a calcium-magnesium-aluminosilicate penetration resistant layer. The coating includes a thermal barrier coating composition comprising a dopant selected from the group consisting of rare earth elements, non-rare earth element solutes, and combinations thereof. Additional or alternatively, the coating includes a thermal barrier coating and an impermeable barrier layer or a washable sacrificial layer positioned on an outer surface of the thermal barrier coating. | 09-18-2014 |
20140308479 | ARCHITECTURES FOR HIGH TEMPERATURE TBCs WITH ULTRA LOW THERMAL CONDUCTIVITY AND ABRADABILITY AND METHOD OF MAKING - A method for fabricating thermal barrier coatings. The thermal barrier coatings are produced with a fine grain size by reverse co-precipitation of fine powders. The powders are then sprayed by a solution plasma spray that partially melts the fine powders while producing a fine grain size with dense vertical cracking. The coatings comprise at least one of 45%-65% Yb | 10-16-2014 |