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In-situ formation of multiphase deposited thermal barrier coatings

United States Patent

January 13, 2004
View the Complete Patent at the US Patent & Trademark Office
A multiphase ceramic thermal barrier coating is provided. The coating is adapted for use in high temperature applications in excess of about C., for coating superalloy components of a combustion turbine engine. The coating comprises a ceramic single or two oxide base layer disposed on the substrate surface; and a ceramic oxide reaction product material disposed on the base layer, the reaction product comprising the reaction product of the base layer with a ceramic single or two oxide overlay layer.
Subramanian; Ramesh (Oviedo, FL)
Siemens Westinghouse Power Corporation (Orlando, FL)
10/ 157,569
May 29, 2002
GOVERNMENT RIGHTS STATEMENT This invention was conceived under United States Department of Energy Contract DE-FC21-95MC32267. The United States Government has certain rights hereunder.