Patent ID: 7476450

Claim:
A component comprising: a fourth generation single crystal superalloy substrate; and a bondcoat overlying at least a part of the superalloy substrate, the bondcoat comprising: about 5 to about 10 weight percent of aluminum; about 10 to about 18 weight percent of cobalt; about 4 to about 8 weight percent of chromium; 0 to about 1 weight percent of hafnium; 0 to about 1 weight percent of silicon; 0 to about 1 weight percent of yttrium; about 1.5 to about 2.5 weight percent of molybdenum; about 2 to about 4 weight percent of rhenium; about 5 to about 10 weight percent of tantalum; about 5 to about 8 weight percent of tungsten; 0 to about 1 weight percent of zirconium; about 10 to about 40 weight percent of a group consisting of platinum, palladium, iridium and combinations thereof; and a remainder of nickel; and a thermal barrier layer overlying at least part of the bondcoat.