Patent ID: 8277195

Claim:
A turbine component, comprising: a root; a neck; a platform; an airfoil; and an outer surface and an inner surface in the airfoil defining cooling passages therethrough; a first coating on outer surfaces of the root and neck and inner surface of airfoil; a second coating on at least a portion of the first coating covering an area of the component; a third coating on at least a portion of the first coating not covered by the second coating; and, wherein the first, second and third coatings differ in composition from each other, wherein the second coating is provided on at least a portion of the first coating on the neck, and wherein a third coating is provided on at least a portion of the first coating on the inner surface of the airfoil, the first, the second and the third coating being different in their composition, and wherein the second coating also is provided on at least a portion of the first coating on the outer surface of the airfoil and on the first coating on at least a part of the platform.