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METHOD OF FORMING A CERAMIC MATRIX COMPOSITE COMPONENT, A CERAMIC MATRIX COMPOSITE COMPONENT AND A TIP MEMBER

United States Patent Application

20140199174
A1
View the Complete Application at the US Patent & Trademark Office
A method of forming a ceramic matrix composite (CMC) component, a CMC component and a tip member are provided. The method of form the CMC component includes providing a component preform having a first end, a second end, and a cavity, the cavity having a pre-determined shape and a first engagement surface. The method includes forming a tip member from a pre-consolidated composite material, the tip member having a second engagement surface generally conforming to the first engagement surface. The method includes directing the second engagement surface to the first engagement surface. The method includes consolidating the component preform and tip member. The ceramic matrix composite component is formed having a desired geometry and the tip member stays in place in the cavity during operation of the ceramic matrix composite component.
ROBERTS, III, Herbert Chidsey (Simpsonville, SC), CORMAN, Gregory Scot (Ballston Lake, NY), MONAGHAN, Philip Harold (Hockessin, DE), TAXACHER, Glenn Curtis (Simpsonville, SC)
GENERAL ELECTRIC COMPANY (Schenectady NY)
13/ 739,136
January 11, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] 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.