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Corrosion resistant superalloy with improved oxidation resistance

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
An improved nickel-based superalloy having high corrosion and oxidation resistance and good compatibility with a thermal barrier coating. The enhanced oxidation resistance and compatibility with the thermal barrier coating results from the inclusion of two or more rare earth elements. The superalloy is useful for the fabrication of components for a gas turbine.
James, Allister W. (Orlando, FL), Arrell, Douglas J. (Oviedo, FL)
Siemens Power Generation, Inc.
11/ 788,299
April 19, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The U.S. Government has a paid-up license in the invention and the right in limited circumstances to require that patent owner to license others on reasonable terms as provided for by the terms of DE-FC26-05NT42644 awarded by the Department of Energy.