Patent ID: 7211338
Filing Date: 2007-05-01
Classification: C23C,F05B,F05C,Y10T

Abstract:
1. A coating comprising: a bonding layer comprising at least one metal selected from the group consisting of zirconium and titanium, and further comprising up to about 4 wt % of a first distributed metal selected from the group consisting of a precious metal, a non-nitride forming metal, and a non-carbide forming metal; an erosion resistance layer formed on the bonding layer, the erosion resistance layer comprising at least one compound selected from the group consisting of zirconium nitride, titanium nitride, zirconium carbide and titanium carbide, and further comprising up to about 4 wt % of a second distributed metal that is distributed into grain boundaries of the erosion resistance layer, the second distributed metal selected from the group consisting of a precious metal, a non-nitride forming metal, and a non-carbide forming metal.