Patent ID: 7931759

Claim:
A composition, comprising a mixture of: a MCrAlY composition; a lanthanide selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and a combination comprising at least one of the foregoing lanthanides; and a Group 4 metal selected from the group consisting of hafnium, zirconium, titanium, and combinations thereof; wherein M is nickel, or a combination of nickel and a metal selected from the group consisting of cobalt, iron, and a combination of cobalt and iron, Cr is chromium, Al is aluminum, and Y is yttrium, wherein the amount of yttrium is about 0.1 to about 5 weight percent, based on the total weight of the composition, wherein the amount of the lanthanide is about 0.2 to about 5 weight percent, based on the total weight of the composition, wherein the amount of the Group 4 metal is about 0.3 to about 5 weight percent, based on the total weight of the composition, and wherein the combined amount of yttrium, lanthanide, and Group 4 metal is about 0.6 to about 15 wt %, based on the total weight of the composition.