Patent ID: 7727318
Filing Date: 2010-06-01
Classification: B22F,C22C,C23C,Y10T

Abstract:
1. A composition, consisting essentially of: a MCrAlY composition; a Group 4 metal selected from the group consisting of hafnium, titanium, and combinations thereof, and present in an amount of the Group 4 metal is about 0.05 to about 5 weight percent, based on the total weight of the composition; and a noble metal selected from the group consisting of palladium, platinum, rhodium, and combinations thereof, wherein the amount of the noble metal is about 0.1 to about 10 weight percent, based on the total weight of the composition; 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 0.05 to about 5 weight percent, based on the total weight of the composition, wherein, when M is nickel, the amount of nickel is about 20 to about 80 weight percent, based on the total weight of the composition; or wherein, when M is a combination of nickel with iron, cobalt, or iron and cobalt, the amount of nickel is about 20 to about 40 weight percent, and the total amount of cobalt and iron is about 10 to about 60 weight percent, based on the total weight of the composition.