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ENVIRONMENTAL BARRIER COATING WITH ABRADABLE COATING FOR CERAMIC MATRIX COMPOSITES

United States Patent Application

20160265367
A1
View the Complete Application at the US Patent & Trademark Office
Article includes a substrate, a bond coat disposed on the substrate, an environmental barrier coating disposed on the bond coat, and a patterned abradable coating disposed on the second top coat. The environmental barrier coating includes an intermediate layer disposed on the bond coat, a sealing layer disposed on the intermediate layer, a first top coat disposed on the sealing layer, and a second top coat disposed on the first top coat. The first top coat is different from the second top coat.
ROSENZWEIG, Larry Steven (Clifton Park, NY), JOHNSON, Curtis Alan (Niskayuna, NY), MESCHTER, Peter Joel (Franklin, TN), SARRAFI-NOUR, Reza (Clifton Park, NY)
GENERAL ELECTRIC COMPANY (Schenectady NY)
14/ 578,670
December 22, 2014
GOVERNMENT RIGHTS [0001] This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by U.S. Department of Energy. The Government has certain rights in this invention.