Patent ID: 6221181
Filing Date: 2001-04-24
Classification: B22F,C22C,C23C,Y10T

Abstract:
A coating composition for superalloy structural parts, including gas turbine vanes and blades, comprising in wt %:Ni balance to 100% Co 28-35 Cr 11-15 Al 10-13 Re 0-1 Si 1-2 Ta 0.2-1 Y 0.005-0.5 Ru 0-5 Ca 0-1 Mg 0.001-1 La + La-series 0-0.5 B 0-0.1 Hf <0.1 C <0.1 where: Y + La (+ La-series) 0.3 - [2.0] 1.0 Si + Ta .ltoreq.2.5 Ca + Mg >2 (S + O)