Patent ID: 8431238

Claim:
An article comprising an electroplated coating on a surface thereof, the electroplated coating comprising: a matrix phase consisting of one selected from the group of a cobalt metal; a nickel/cobalt metal alloy, or a cobalt metal or a nickel/cobalt metal alloy alloyed with tin, zinc, copper, iron, tungsten, or a combination of two or more thereof; MCrAlY particles dispersed in the matrix, wherein M is chosen from nickel, cobalt, iron, or a combination of two or more thereof; and chromium carbide (Cr 3 C 2 ) particles dispersed in the matrix, the chromium carbide (Cr 3 C 2 ) particles having a particle size of about 1.6 μm or less, wherein upon exposure to temperatures of from about 1000° F. to about 1600° F., the coating forms an outer, lubricious layer overlying an oxidation resistant layer, the lubricious layer comprising cobalt oxide and chromium oxide, and the oxidation resistant layer comprising aluminum oxide.