High temperature metal coating compositions

Details High temperature metal coating compositions High temperature metal coating compositions

C - Chemistry, Metallurgy

22

C

75/7.1

C22C 19/05 (2006.01) B32B 15/04 (2006.01) C23C 4/08 (2006.01) C23C 30/00 (2006.01)

Patent

CA 1213759

ABSTRACT OF THE DISCLOSURE Disclosed are novel high temperature coatings which may be applied to turbine engine components to provide improved thermal fatigue resistance as well as improved oxidation and corrosion resistance. The compositions have one of the following general formulas: (1) MCrAl + Rare Earth Metal (2) MCrAl + Rare Earth Metal + Noble Metal (3) MCrAl + Rare Earth Metal + Refractory Metal; or (4) MCrAl + Rare Earth Metal + Noble Metal + Refractory Metal wherein M is a solid solution of molybdenum, tungstun or niobium in nickel, cobalt or nickel plus cobalt.

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