Patent application number | Description | Published |
20090110903 | ALUMINA-BASED PROTECTIVE COATINGS FOR THERMAL BARRIER COATINGS - A thermally sprayed alumina-based coating is deposited onto a thermal barrier coating to provide an article such as a turbine engine component with both CMAS mitigation and antifouling. The alumina-based coating increases a melting point of the CMAS to a temperature greater than an operating temperature of the turbine engine component. The surface roughness of the thermally sprayed alumina based coating in less than 4.0 micrometers to 0.75 micrometers. The alumina based coatings include at least 60 weight percent alumina based on a total weight of the alumina-based coating. | 04-30-2009 |
20090110953 | METHOD OF TREATING A THERMAL BARRIER COATING AND RELATED ARTICLES - A method of treating a thermal barrier coating comprises applying a dopant composition to a selected surface of the thermal barrier coating disposed on a turbine engine part, and heating the surface to form an enhanced thermal barrier coating. The dopant composition comprises a rare earth metal compound. | 04-30-2009 |
20100175619 | PART MOUNTING APPARATUS - A part processing apparatus includes a plurality of part mounting devices, each of which is rotatable. Parts are mounted on the plurality of part mounting devices, and the parts are rotated on the devices during a part processing operation. A rotational input shaft is coupled to all of the plurality of part mounting devices so that all of the part mounting devices rotate together. A part processing robot may be movable between a plurality of positions located adjacent each of the part mounting devices. Alternatively, the part mounting devices may be movable to a plurality of different positions so that each of the part mounting devices can be located adjacent to the part processing robot. | 07-15-2010 |
20100242580 | METHOD FOR TESTING HIGH TEMPERATURE MECHANICAL DURABILITY OF ARTICLES - A process for erosion testing of a specimen article includes securing a test specimen in a test rig; measuring physical characteristics of the test specimen article; using a thermal spray coating apparatus, flowing incident particles at the test specimen; and re-measuring the physical characteristics of the test specimen. | 09-30-2010 |
20110171393 | WIRE ARC SPRAY SYSTEM USING COMPOSITE WIRE FOR POROUS COATING, AND RELATED METHOD - A wire arc spray system use at least one first wire and second wire that include a composite wire including a first material at a core region thereof and a cladding including a second material surrounding the core region. A controller controls operation to propel heated material created by the arcing of the first wire and the second wire at the arc point to a surface to be coated. A wire arc spray methodology for creating a porous metal coating with all-metal wires is also provided. | 07-14-2011 |
20130067731 | PART MOUNTING APPARATUS - A part processing apparatus includes a plurality of part mounting devices, each of which is rotatable. Parts are mounted on the plurality of part mounting devices, and the parts are rotated on the devices during a part processing operation. A rotational input shaft is coupled to all of the plurality of part mounting devices so that all of the part mounting devices rotate together. A part processing robot may be movable between a plurality of positions located adjacent each of the part mounting devices. Alternatively, the part mounting devices may be movable to a plurality of different positions so that each of the part mounting devices can be located adjacent to the part processing robot. | 03-21-2013 |
20140094356 | TREATMENT PROCESS, OXIDE-FORMING TREATMENT COMPOSITION, AND TREATED COMPONENT - A treatment process, an oxide-forming treatment composition, and a treated component are disclosed. The treatment process includes applying an oxide-forming treatment composition to a ceramic coating and heating the oxide-forming treatment composition to form an oxide within the ceramic coating. The oxide-forming treatment composition includes a solute and a corrosion inhibitor. The oxide-forming treatment composition is super-saturated with the corrosion inhibitor. The treated component includes a ceramic coating and one or both of a corrosion inhibitor and an oxide formed by an oxide-forming treatment composition having the corrosion inhibitor. The corrosion inhibitor and the oxide-forming treatment composition are within the ceramic coating. | 04-03-2014 |
Patent application number | Description | Published |
20100124608 | METHOD FOR APPLYING AND DIMENSIONING AN ABRADABLE COATING - Disclosed is a coated substrate including a substrate coating applied to at least one substantially flat surface of the substrate, the coating including at least one of an axial concavity and a circumferential curvature, the substrate being configured for disposal parametrically about a moving component. | 05-20-2010 |
20100284797 | ABRADABLE SEALS - In one embodiment, an abradable seal includes a soft material that may be worn away and a hard material that may provide mechanical strength for the abradable seal. The soft material and the hard material may include different compositions of a base material. | 11-11-2010 |
20110048017 | METHOD OF DEPOSITING PROTECTIVE COATINGS ON TURBINE COMBUSTION COMPONENTS - A method is provided for high velocity air plasma spraying (APS) application of a protective coating system, such as a bond coat with or without an overlying ceramic thermal barrier coat, to a superalloy metal substrate. Application of MCrAlY alloy bond particles (where M is at least one of iron, cobalt, or nickel) onto the metal substrate is maintained at a particle velocity of at least 400 meters per second (m/s), for example within a range of 400 m/s to 700 m/s. The resulting bond coat on the metal substrate has a surface roughness of about 300 to about 500 μinch Ra, and a density of at least 90% of theoretical density. The protective coating may include a ceramic thermal barrier coat applied over the bond coat by any suitable process. | 03-03-2011 |
20110076413 | SINGLE LAYER BOND COAT AND METHOD OF APPLICATION - A protective coating system for metal components includes a superalloy metal substrate, such as a component of a gas turbine. A single layer bond coat is applied to the superalloy metal substrate in a thermal spray process from a homogeneous powder composition having a particle size distribution wherein about 90% of the particles by volume are within a range of about 10 pan to about 100 μm. The percentage of particles within any 10 μm band within the range does not exceed about 20% by volume, and the percentage of particles within any two adjacent 10 μm bands within the range does not deviate by more than about 8% by volume. | 03-31-2011 |
20110162577 | THERMAL SPRAY STREAM FOCUSING - A thermal spray stream focusing approach is provided. In one aspect, at least two pairs of rollers are located about a spray device. The at least two pairs of rollers are configured to shape a raw spray stream generated from the spray device to a shape-defined spray stream that is focused towards a surface of a workpiece. | 07-07-2011 |
20110217568 | LAYERED ARTICLE - An article comprises a first outer layer; a second intermediate layer; and a substrate; wherein the second intermediate layer contacts the first outer layer at a first interface and the substrate at a second interface. The first outer layer comprises Al | 09-08-2011 |
20130186304 | PROCESS OF FABRICATING A THERMAL BARRIER COATING AND AN ARTICLE HAVING A COLD SPRAYED THERMAL BARRIER COATING - A process of fabricating a thermal barrier coating and an article having a cold sprayed thermal barrier coating are disclosed. The process includes cold spraying ceramic particles and a binder and forming the thermal barrier coating. The binder has a melting point lower than the ceramic particles. The article includes the cold sprayed thermal barrier coating positioned on a substrate of the article and/or a reproducible feature formed by the cold sprayed thermal barrier coating, with the reproducible feature being capable of being replicated without masking. | 07-25-2013 |
20130189441 | PROCESS OF FABRICATING THERMAL BARRIER COATINGS - A process of fabricating a thermal barrier coating is disclosed. The process includes cold spraying a substrate with a feedstock to form a thermal barrier coating and concurrently oxidizing one or more of the substrate, the feedstock, and the thermal barrier coating. The cold spraying is in a region having an oxygen concentration of at least 10%. In another embodiment, the process includes heating a feedstock with a laser and cold spraying a substrate with the feedstock to form a thermal barrier coating. At least a portion of the feedstock is retained in the thermal barrier coating. In another embodiment, the process of fabricating a thermal barrier coating includes heating a substrate with a laser and cold spraying the substrate with a feedstock to form a thermal barrier coating. | 07-25-2013 |
20130260130 | FIBER-REINFORCED BARRIER COATING, METHOD OF APPLYING BARRIER COATING TO COMPONENT AND TURBOMACHINERY COMPONENT - A method of applying a barrier coating to a component is provided. The method includes providing the component and preparing a slurry comprising a mixture. The mixture includes about 50-90 percent by volume fraction of a barrier coating composition, the barrier coating composition and 10-50 percent by volume fraction of a plurality of short fibers. The method includes applying at least one layer of the slurry to at least a portion of the component and curing the slurry on the portion of the component to obtain a fiber-reinforced barrier coating. | 10-03-2013 |
20130330466 | Spray Plume Position Feedback for Robotic Motion to Optimize Coating Quality, Efficiency, and Repeatability - A thermal spray system may include a thermal spray torch configured to produce an emission of material, at least one camera configured to capture an image of the emission of material emitted by the thermal spray torch, a diagnostic device communicatively coupled to the at least one camera, and a controller communicatively coupled to the diagnostic device. The camera may be configured to transmit an image of the emission of material to a diagnostic device that may be configured to determine a characteristic of the emission of material based on the image. The diagnostic device may transmit the characteristic to a controller that may control a position of the thermal spray torch based on the characteristic. | 12-12-2013 |
20140037969 | Hybrid Air Plasma Spray and Slurry Method of Environmental Barrier Deposition - A bond layer may be applied to the substrate of an article and a first layer may be applied to the bond layer by thermal spray. A second layer may be applied above the first layer by slurry coating. | 02-06-2014 |
20140193760 | COATED ARTICLE, PROCESS OF COATING AN ARTICLE, AND METHOD OF USING A COATED ARTICLE - A coated article, a process of coating an article, and a process of using an article are disclosed. The coated article includes a substrate, a porous coating material, and a thermal barrier coating material. The porous coating material includes a porosity between about 1 percent and about 20 percent, by volume. The thermal barrier coating material has a thermal conductivity that is lower than a thermal conductivity of the substrate. The porous coating material differs in one or both of composition and microstructure from the thermal barrier coating material. Additionally or alternatively, the porous coating material resists at least one of sintering, densification, and phase destabilization for a predetermined period at a predetermined temperature. The process of coating an article includes applying a coating to form the coated article. | 07-10-2014 |
20140235426 | CERAMIC POWDERS AND METHODS THEREFOR - A ceramic powder and method of forming the ceramic powder capable of being used in coatings to allow components to survive in high temperatures environments, such as the hostile thermal environment of a gas turbine engine. The ceramic powder includes powder particles each having an inner core formed of a first material and an outer region formed of a second material. The inner core has a lower thermal conductivity than the outer region, and the outer region is more erosion resistance relative to the inner core. | 08-21-2014 |
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 |
20140312006 | WIRE ARC SPRAY SYSTEM USING COMPOSITE WIRE FOR POROUS COATING, AND RELATED METHOD - A composite wire for use with a wire arc spray system and related methods. The composite wire can include: a low melting point material at a core region thereof and a cladding including a metal surrounding the core region, the low metal point material having a melting point less than that of the metal, wherein the low melting point material includes a polymer in the form of a powder having particles having a size of from approximately 1 nanometer to approximately 100 nanometers. | 10-23-2014 |
20140363684 | COATING PROCESS AND COATED ARTICLE - A coating process and coated article are disclosed. The coating process includes positioning an article relative to an inductor, heating the article with the inductor, then applying a coating material over the article to form a crystalline coating. The heating of the article increases a first temperature of a surface of the article to a second temperature favoring crystal formation. Another coating process includes positioning an article, uniformly heating a surface of the article to a second temperature favoring crystal formation, then applying an environmental barrier coating material over the surface of the article to form a crystalline environmental barrier coating. The application of the environmental barrier coating is performed through air plasma spray deposition. The coated article includes an article having a complex geometry, and a crystalline coating applied on a surface of the article. The crystalline coating includes increased resistant to delamination. | 12-11-2014 |
20150118444 | METHODS OF MANUFACTURING SILICA-FORMING ARTICLES HAVING ENGINEERED SURFACES TO ENHANCE RESISTANCE TO CREEP SLIDING UNDER HIGH-TEMPERATURE LOADING - A method of forming an article includes forming a silicon-containing layer on a silicon-containing region of a surface of a substrate of the article; forming a plurality of channels and ridges in the silicon-containing layer; and forming at least one outer layer overlying the surface of the silicon-containing region. The plurality of channels and ridges may be formed by adding silicon-containing material to the silicon-containing layer. The channels and ridges may be formed by subtracting material from the silicon-containing layer. The channels and ridges may be formed by forming channels or grooves in the silicon-containing region of the surface of the substrate prior to formation of the silicon-containing layer. | 04-30-2015 |
20150152541 | NOZZLE INSERT FOR THERMAL SPRAY GUN APPARATUS - Various aspects of the present disclosure relate to a nozzle insert which may be used with a thermal spray gun apparatus. A nozzle insert according to the disclosure may include a body having an outer surface, the outer surface of the body being configured to circumferentially contact and transfer heat to an inner face of a thermal spray gun nozzle of a thermal spray gun. The body of the nozzle insert may be removed from the thermal spray gun nozzle without disassembling the thermal spray gun, and includes an axial passage configured to communicate a plasma discharge from the nozzle insert. A thermal spray gun apparatus and a thermal spray gun system including the nozzle insert are also disclosed. | 06-04-2015 |