Columnar grain ceramic thermal barrier coatings

Details Columnar grain ceramic thermal barrier coatings Columnar grain ceramic thermal barrier coatings

B - Operations, Transporting

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B32B 3/14 (2006.01) B32B 15/04 (2006.01) C23C 14/02 (2006.01) C23C 14/08 (2006.01) C23C 28/00 (2006.01) F01D 25/00 (2006.01)

Patent

CA 1167329

Columnar Grain Ceramic Thermal Barrier Coatings Abstract A coated article and method for producing the coated article are described. The article is coated with a system which provides protection against oxida- tion and corrosion and which significantly reduces the substrate temperature. An MCrAlY layer is applied to the article to be protected and a columnar grain ceramic is applied by vapor deposition to the MCrAlY coated article. An alumina layer which exists between the MCrAlY layer and the columnar ceramic layer provides for the adherence of the columnar layer to the MCrAlY layer.

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