U.S. 8,216,687 B2
United Technologies Corporation has been granted a patent for an article comprised of a metallic substrate; a coating system atop the substrate and comprised of an alumina-chromia layer having a thickness at least 50% of a total thickness of the system; and a bondcoat between the substrate and the alumina-chromia layer.
United Technologies Patents Thermal Barrier Coating
Published March 1, 2013
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