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Multilayer thermal barrier coating systems

United States Patent

August 22, 2000
View the Complete Patent at the US Patent & Trademark Office
The present invention generally describes multilayer thermal barrier coating systems and methods of making the multilayer thermal barrier coating systems. The thermal barrier coating systems comprise a first ceramic layer, a second ceramic layer, a thermally grown oxide layer, a metallic bond coating layer and a substrate. The thermal barrier coating systems have improved high temperature thermal and chemical stability for use in gas turbine applications.
Vance; Steven J. (Orlando, FL), Goedjen; John G. (Oviedo, FL), Sabol; Stephen M. (Orlando, FL), Sloan; Kelly M. (Longwood, FL)
Siemens Westinghouse Power Corporation (Orlando, FL)
09/ 273,383
March 22, 1999
GOVERNMENT CONTRACT The Government of the United States of America has rights in the invention pursuant to Contract DE-FC21-95MC32267, awarded by the United States Department of Energy.