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Compositional Bond Coat for Hindering/Reversing Creep Degradation in Environmental Barrier Coatings

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A gas turbine blade may have a bond coat applied to its surface. The bond coat may include silicon and a reactive material. The reactive material may react with thermally grown oxide generated at the bond layer to prevent and reverse creep. One or more protective layers may be applied to the bond layer.
Das, Rupak (Greenville, SC), Delvaux, John McConnell (Fountain Inn, SC), Zhang, James (Simpsonville, SC)
13/ 348,252
January 11, 2012
STATEMENT OF FEDERALLY SPONSORED RESEARCH [0001] This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department Of Energy. The Government has certain rights in this invention.