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THERMAL BARRIER COATINGS AND METHODS OF PRODUCING SAME

United States Patent Application

20100028711
A1
View the Complete Application at the US Patent & Trademark Office
A thermal insulating ceramic layer for use on metal alloy components exposed to hostile thermal and chemical environment, such as a gas turbine. The thermal barrier coating may include cracks made by a series of steps, including subjecting at least a portion of the thermal barrier coating to a shockwave such that microcracks are formed in the thermal barrier coating without also substantially deforming the substrate.
Helmick, David A. (Fountain Inn, SC), Burin, David Leslie (Greer, SC)
GENERAL ELECTRIC COMPANY (Schenectady NY)
12/ 181,422
July 29, 2008
[0001] This invention was made with Government support under Contract No. DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in the invention.