Low thermal conductivity thermal barrier coating system and method therefor
AssigneeGeneral Electric Company
InventorsBrett Allen Rohrer Boutwell, Ramgopal Darolia, Curtis Alan Johnson, Irene Spitsberg, Mark Daniel Gorman, Yan Gao
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Abstract
In accordance with an embodiment of the invention, a thermal barrier coating for inclusion in a thermal barrier coating system is provided. The thermal barrier coating comprises a compound having a rhombohedral phase. In accordance with another embodiment of the invention, a thermal barrier coating is provided that comprises a compound having the formula of: A4B3O12, wherein A is at least one rare earth element; and B is selected from the group consisting of Zr, Hf and mixtures thereof.
Claims14
1-31. (canceled)
A method for producing a thermal barrier coating on a metallic substrate comprising:
- applying over the metallic substrate a thermal barrier coating comprising a compound having a rhombohedral phase.
Dependencies are inferred from the claim text.