Patent ID: 6136453
Filing Date: 2000-10-24
Classification: C23C,Y02T,Y10S,Y10T

Abstract:
A bond coat comprising:a layer possessing an uneven, undulated, and irregular surface, the layer formed of a metal powder mixture disposed on a substrate by a thermal spraying process, wherein the metal powder mixture comprises a first powder having a first melting point and a second powder having a second melting point that is higher than the first melting point, and a density of the bond coat is at least about 95% its theoretical density and the metal powder mixture that forms the bond coat layer comprises at least one of Ni-60Al-1B and Al-11.6Si as the first powder, and at least one of Ni-20Cr and MCrAlY-20Cr as the second powder, where M is at least one of nickel, iron and cobalt.