Inventors
AssigneeUS Classes416/241B, Ceramic material427/372.2, Heating or drying (e.g., polymerizing, vulcanizing, curing, etc.)427/256, NONUNIFORM COATING428/701, O-containing metal compound427/248.1, COATING BY VAPOR, GAS, OR SMOKE427/453, Metal oxide containing coating204/192.12, Glow discharge sputter deposition (e.g., cathode sputtering, etc.)427/585, Chemical vapor deposition (e.g., electron beam or heating using IR, inductance, resistance, etc.)427/596, Laser or electron beam (e.g., heat source, etc.)427/508, Low energy electromagnetic radiation utilized (e.g., UV, visible, IR, microwave, radio wave, actinic, laser, etc.)427/393.6, Asbestos, ceramic, concrete, or masonry base427/380, Metal or metallic compound containing coating428/332, Physical dimension specified428/702, O-containing252/62, HEAT OR SOUND INSULATING415/200, Specific casing or vane material60/722, Combustion products generator60/740With fuel injectorAttorney, Agent or FirmInternational ClassesF01D 5/28C23C 14/34 C23C 4/10 B05D 3/02 B32B 9/00 B05D 7/00 E04B 1/80 F01D 9/02 F23R 3/00 F02C 7/22 Abstract textA 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) A3B2X3O12, or a second inert compound comprising a hexagonal crystalline structure of formula (II) A4B6X6O26, or a mixture of the first inert compound and the second inert compound; (3) optionally drying the coated article; (4) optionally repeating steps (2) and (3); and (5) heat treating the coated article. |
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