Patent application number | Description | Published |
20080261073 | COATING SUITABLE FOR USE AS A BONDCOAT IN A THERMAL BARRIER COATING SYSTEM - A coating suitable for use as a bondcoat for a thermal barrier coating system includes about 5 to about 10 weight percent of aluminum (Al), about 10 to about 18 weight percent of cobalt (Co), about 4 to about 8 weight percent of chromium (Cr), about 0 to about 1 weight percent of hafnium (Hf), about 0 to about 1 weight percent of silicon (Si), about 0 to about 1 percent of yttrium (Y), about 1.5 to about 2.5 weight percent of molybdenum (Mo), about 2 to about 4 weight percent of rhenium (Re), about 5 to about 10 weight percent of tantalum (Ta), about 5 to about 8 weight percent of tungsten (W), about 0 to about 1 weight percent of zirconium (Zr), and a remainder of nickel (Ni). | 10-23-2008 |
20090035601 | ZIRCONIUM MODIFIED PROTECTIVE COATING - A protective coating system includes a nickel-aluminum-zirconium alloy coating having at least one phase selected from gamma phase nickel, gamma prime phase nickel-aluminum, or beta phase nickel-aluminum in combination with the gamma phase nickel or the gamma prime phase nickel-aluminum. For example, the nickel-aluminum-zirconium alloy coating includes about 0.001 wt % to 0.2 wt % zirconium. | 02-05-2009 |
20090075115 | MULTI-LAYERED THERMAL BARRIER COATING - A thermal barrier coating system includes a substrate, a first transition metal layer on the substrate, a bond coat on the first transition metal layer, an optional second transition metal layer on the bond coat, and an optional ceramic topcoat on the second transition metal layer. In embodiments, the first transition metal layer and the second transition metal layer include platinum to resist reaction between the bond coat and the substrate and to slow oxidation of the bond coat. | 03-19-2009 |
20090258165 | PLATINUM-MODIFIED CATHODIC ARC COATING - A process for coating a part comprises the steps of providing a chamber which is electrically connected as an anode, placing the part to be coated in the chamber, providing a cathode formed from a coating material to be deposited and platinum, and applying a current to the anode and the cathode to deposit the coating material and the platinum on the part. | 10-15-2009 |
20090308733 | Thermal Barrier Coating Compositions, Processes for Applying Same and Articles Coated with Same - A process of coating an article includes the steps of (1) forming a layer of a ceramic based compound on an article; (2) providing a solution containing a metal as a particulate having a diameter of about 10 nanometers to about 1000 nanometers and present in an amount of about 25 percent to about 50 percent by volume of the solution; (3) contacting the ceramic based compound layer with the solution; (4) drying the article; and (5) optionally repeating steps (3) and (4). | 12-17-2009 |
20100047075 | Thermal Barrier Coating Compositions, Processes for Applying Same and Articles Coated with Same - A process of coating an article includes the steps of (1) applying a ceramic compound to at least one surface of an article to form a layer of ceramic compound; (2) applying at least one inert compound upon the ceramic compound layer to form a protective layer, wherein the at least one inert compound is composed of a first inert compound having a cubic crystalline structure of formula (I) A | 02-25-2010 |
20100047474 | DEPOSITION APPARATUS HAVING THERMAL HOOD - A deposition apparatus includes a coating chamber and a coating zone within the coating chamber for coating work pieces. A heating source heats the coating zone, and a thermal hood within the coating chamber is located adjacent to the coating zone for controlling a temperature of the coating zone. | 02-25-2010 |
20100068417 | ELECTRON BEAM VAPOR DEPOSITION APPARATUS AND METHOD - An electron beam vapor deposition apparatus includes a coating chamber having a first chamber section with a first coating zone for depositing a first coating and a second chamber section with a second coating zone for depositing a second coating. At least one electron beam source is associated with the first chamber section and the second chamber section. A first crucible is adjacent to the first coating zone for presenting a first source coating material, and a second crucible is adjacent to the second coating zone for presenting a second source coating material. A transport is operative to move a work piece between the first coating zone of the first chamber section and the second coating zone of the second chamber section. | 03-18-2010 |
20100098865 | DURABLE REACTIVE THERMAL BARRIER COATINGS - A turbine engine component is provided which has a substrate and a thermal barrier coating applied over the substrate. The thermal barrier coating comprises at least one layer of a first material selected from the group consisting of a zirconate, a hafnate, a titanate, and mixtures thereof, which first material has been mixed with, and contains, from about 25 to 99 wt % of at least one oxide. The at least one oxide comprises at least one oxide of a material selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, indium, and yttrium. If desired, a metallic bond coat may be present between the substrate and the thermal barrier coating system. A method for forming the thermal barrier coating system of the present invention is described. | 04-22-2010 |
20100104766 | METHOD FOR USE WITH A COATING PROCESS - A method for use with a coating process includes depositing a ceramic coating on a substrate within a coating chamber. Prior to depositing the ceramic coating, an electron beam source is used to heat a ceramic material. The ceramic material radiates heat to heat a substrate to an oxidation temperature to form an oxide layer on the substrate. A desired evaporation rate of the ceramic material is established during the heating to thereby provide an improved ceramic coating. | 04-29-2010 |
20100104773 | METHOD FOR USE IN A COATING PROCESS - A method for use in a coating process includes depositing a ceramic coating on a bond coat that is disposed on a substrate. Prior to depositing the ceramic coating, a desired surface roughness R | 04-29-2010 |
20100136241 | SILICATE RESISTANT THERMAL BARRIER COATING WITH ALTERNATING LAYERS - A thermal barrier coating system for use on a turbine engine component which reduces sand related distress is provided. The coating system comprises at least one first layer of a stabilized material selected from the group consisting of zirconia, hafnia, and titania and at least one second layer containing at least one of oxyapatite and garnet. Where the coating system comprises multiple first layers and multiple second layers, the layers are formed or deposited in an alternating manner. | 06-03-2010 |
20100154425 | STRAIN TOLERANT THERMAL BARRIER COATING SYSTEM - A method for forming a thermal barrier coating on a combustor panel or a fuel nozzle comprises the steps of: providing a component selected from the group consisting of a combustor panel, a bulkhead heat shield, and a fuel nozzle; optionally depositing a first layer of a metallic alloy onto the component; and depositing a ceramic composition layer using an electron beam physical vapor deposition technique. If the component is formed from a yttrium or other active element doped single crystal superalloy, the first layer may be omitted and the ceramic composition layer may be deposited directly onto a surface of the component. | 06-24-2010 |
20100189929 | COATING DEVICE AND DEPOSITION APPARATUS - A coating device for use with an electron beam vapor deposition apparatus includes a crucible portion and a nozzle portion. The crucible portion includes a gas inlet port, a heating zone for presenting a source coating material to be heated, and a flow passage exposed to the heating zone and fluidly connected with the inlet port. The nozzle portion of the coating device includes an outlet orifice fluidly connected with the flow passage for jetting a coating stream from the coating device. | 07-29-2010 |
20100196605 | Yttria-Stabilized Zirconia Coating with a Molten Silicate Resistant Outer Layer - A turbine engine component is provided which has a substrate, a yttria-stabilized zirconia coating applied over the substrate, and a molten silicate resistant outer layer. The molten silicate resistant outer layer is formed from gadolinia or gadolinia-stabilized zirconia. A method for forming the coating system of the present invention is described. | 08-05-2010 |
20110086179 | THERMAL BARRIER COATING WITH A PLASMA SPRAY TOP LAYER - A turbine engine component has a substrate, a thermal barrier coating deposited onto the substrate, and a sealing layer of ceramic material on an outer surface of the thermal barrier coating for limiting molten sand penetration. | 04-14-2011 |
20110135895 | ARTICLE HAVING THERMAL BARRIER COATING - An article includes a metallic substrate and a tri-layer thermal barrier coating that is deposited on the metallic substrate. The tri-layer thermal barrier coating includes an inner ceramic layer, an outermost ceramic layer relative to the metallic substrate, and an intermediate ceramic layer between the inner ceramic layer and the outermost ceramic layer. The inner ceramic layer and the outermost ceramic layer are composed of respective first and second ceramic materials and the intermediate ceramic layers composed of a third, different ceramic material. The inner ceramic layer has a first thickness, the outermost ceramic layer has a second thickness, and the intermediate ceramic layer has a third thickness that is greater than the first thickness and the second thickness. | 06-09-2011 |
20110256421 | METALLIC COATING FOR SINGLE CRYSTAL ALLOYS - A metallic coating for use in a high temperature application is created from a nickel base alloy containing from 5.0 to 10.5 wt % aluminum, from 4.0 to 15 wt % chromium, from 2.0 to 8.0 wt % tungsten, from 3.0 to 10 wt % tantalum, and the balance nickel. The metallic coating has particular utility in protecting single crystal superalloys used in high temperature applications such as turbine engine components. | 10-20-2011 |
20120231173 | Ceramic Coating Deposition - A material is applied to a part. The part is placed in a deposition chamber and a first electric potential is applied to the part. Components are evaporated for forming the material. The evaporated components are ionized. The first electric potential is modulated so as to draw the ionized component to the part. The modulation comprises a plurality of first steps for PA-PVD. Each of the first steps comprises a series of pulses of negative potential. The modulation further comprises a plurality of second steps for PVD alternating with the first steps. | 09-13-2012 |
20130164558 | Oxidation Resistant Coating with Substrate Compatibility - An oxidation resistant coating has a composition which comprises from 11 to 14 wt % chromium, from 11 to 14 wt % cobalt, from 7.5 to 9.5 wt % aluminum, from 0.20 to 0.60 wt % yttrium, from 0.10 to 0.50 wt % hafnium, from 0.10 to 0.30 wt % silicon, from 0.10 to 0.20 wt % zirconium, and the balance nickel. | 06-27-2013 |
20130260132 | HYBRID THERMAL BARRIER COATING - A tubine engine component has a substrate, a thermal barrier layer deposited onto the substrate, and a sealing layer of ceramic material deposited on an outer surface of the thermal barrier layer for limiting molten sand penetration. The thermal barrier layer and sealing layer are formed by suspension plasma spraying. A preferred sealing layer is gadolinium zirconate. | 10-03-2013 |