US Patent 11180421 Repair and/or reinforcement of oxide-oxide CMC
Patent 11180421 was granted and assigned to Rolls-Royce on November, 2021 by the United States Patent and Trademark Office.
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In some examples, techniques of repairing and/or reinforcing oxide-oxide ceramic matrix composite (CMC) materials using a metallic material. In one example, a method including applying a metallic material at an edge of an oxide-oxide CMC substrate; and heating the metallic material to diffuse the metal material into the oxide-oxide CMC substrate at the edge. In another example, a method including applying a metallic material onto a damaged area of the oxide-oxide CMC; applying a reinforcing phase material onto the damaged area of the oxide-oxide CMC; and heating the metallic material to diffuse the metallic material into the oxide-oxide CMC and attach the reinforcing phase material to the damaged area of the oxide-oxide CMC.
US Patent 11180421 Repair and/or reinforcement of oxide-oxide CMC
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