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In-situ formation of multiphase electron beam physical vapor deposited barrier coatings for turbine components

United States Patent

October 2, 2001
View the Complete Patent at the US Patent & Trademark Office
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A turbine component (10), such as a turbine blade, is provided which is made of a metal alloy (22) and a base columnar thermal barrier coating (20) on the alloy surface, where a heat resistant ceramic oxide sheath material (32' or 34') covers the columns (28), and the sheath material is the reaction product of a precursor ceramic oxide sheath material and the base thermal barrier coating material.
Subramanian; Ramesh (Oviedo, FL)
Siemens Westinghouse Power Corporation (Orlando, FL)
09/ 393,415
September 10, 1999
GOVERNMENT CONTRACT The Government of the United States of America has rights in this invention pursuant to Contract DE-AC05-950R22242, awarded by the United State Department of Energy.