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Pre-form ceramic matrix composite cavity and method of forming and method of forming a ceramic matrix composite component

United States Patent

June 9, 2015
View the Complete Patent at the US Patent & Trademark Office
A pre-form CMC cavity and method of forming pre-form CMC cavity for a ceramic matrix component includes providing a mandrel, applying a base ply to the mandrel, laying-up at least one CMC ply on the base ply, removing the mandrel, and densifying the base ply and the at least one CMC ply. The remaining densified base ply and at least one CMC ply form a ceramic matrix component having a desired geometry and a cavity formed therein. Also provided is a method of forming a CMC component.
Monaghan; Philip Harold (Hockessin, DE), Delvaux; John McConnell (Fountain Inn, SC), Taxacher; Glenn Curtis (Simpsonville, SC)
General Electric Company (Schenectady, NY)
13/ 446,465
April 13, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in the invention.