Oxidation and fatigue resistant metallic coating

Details Oxidation and fatigue resistant metallic coating Oxidation and fatigue resistant metallic coating

2005-07-19

2005-07-19

LaVilla, Michael (Department: 1775)

Alloys or metallic compositions

Nickel base

C420S442000, C420S445000, C420S447000, C420S448000, C420S450000, C428S680000, C416S24100B, C148S428000

Reexamination Certificate

active

06919042

ABSTRACT:
The present invention relates to a metallic coating to be deposited on gas turbine engine components. The metallic coating comprises up to 18 wt % cobalt, 3.0 to 18 wt % chromium, 5.0 to 15 wt % aluminum, 0.1 to 1.0 wt % yttrium, up to 0.6 wt % hafnium, up to 0.3 wt % silicon, 3.0 to 10 wt % tantalum, up to 9.0 wt % tungsten, 1.0 to 6.0 wt % rhenium, up to 10 wt % molybdenum, and the balance nickel.

REFERENCES:
patent: 5077141 (1991-12-01), Naik et al.
patent: 5316866 (1994-05-01), Goldman et al.
patent: 5514482 (1996-05-01), Strangman
patent: 5561827 (1996-10-01), Reeves et al.
patent: 2003/0152814 (2003-08-01), Gupta et al.

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