Patent ID: 7736759

Claim:
A turbine engine component comprising: a substrate; a yttria-stabilized zirconia coating applied over said substrate; and a molten silicate resistant outer layer, said outer layer consisting of: (I) an oxide selected from the group consisting of praseodymium, neodymium, promethium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, indium, titanium, and mixtures thereof; or (II) titania and a second component comprising at least one oxide selected from the group consisting of cerium, praseodymium, neodymium, promethium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and indium as a stabilizing element.