Patent ID: 7858212

Claim:
An article comprising: a substrate; said substrate being an engine component; a coating deposited on said substrate; said coating being formed solely from a first rare earth oxide stabilized zirconia powder blended with at least one additional constituent selected from the group consisting of TiO 2 , Al 2 O 3 , and a blend of Al 2 O 3 —TiO 2 ; said at least one additional constituent being present in an amount from 0.001 wt % to less than 50 wt %; and said first rare earth oxide stabilized zirconia powder consisting of a gadolinia-yttria-zirconia powder having a composition of from 10 wt % to 80 wt % gadolinia, from 4.0 wt % to 25 wt % yttria, and the balance zirconia.