Strengthened protective coatings for superalloys

Details Strengthened protective coatings for superalloys Strengthened protective coatings for superalloys

1991-09-09

1994-05-31

Lewis, Michael

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428633, 428678, 428680, 420443, 420448, 148410, B32B 1500, C22C 1905

Patent

active

053168666

ABSTRACT:
A superalloy component includes a substrate article of a superalloy, and a strengthenable, adherent coating on the substrate. The coating is preferably a nickel-base superalloy that is strengthened by the formation of gamma and gamma-prime phases. The coating is stronger than conventional MCrAlX coatings, and, therefore, more resistant to thermal fatigue. One operable coating has a composition, in weight percent, of about 7.5 percent cobalt, about 9 percent chromium, about 6 percent aluminum, about 1 percent titanium, about 1.5 percent molybdenum, about 4 percent tantalum, about 3 percent tungsten, about 3 percent rhenium, about 0.5 percent hafnium, about 0.3 percent yttrium, about 0.5 percent columbium, about 0.05 percent carbon, about 0.015 percent boron, about 0.015 percent zirconium, and balance nickel.

REFERENCES:
patent: 4152488 (1979-05-01), Schilke et al.
patent: 4169742 (1979-10-01), Wukusick et al.
patent: 4198442 (1980-04-01), Gupta et al.
patent: 4237193 (1980-12-01), Jackson et al.
patent: 4339509 (1982-07-01), Dardi et al.
patent: 4446199 (1984-05-01), Gedwill et al.
patent: 4485151 (1984-11-01), Stecura
patent: 4758480 (1988-07-01), Hecht et al.
patent: 4769087 (1988-09-01), Genereux et al.
patent: 4921405 (1990-05-01), Wilson
patent: 4961818 (1990-10-01), Benn
patent: 4995922 (1991-02-01), Jongenburger
patent: 5035958 (1991-07-01), Jackson et al.
patent: 5043138 (1991-08-01), Darolia et al.
patent: 5068084 (1991-11-01), Cetel et al.
patent: 5077141 (1991-12-01), Naik et al.
"Metals Handbook", 9th edition, vol. 3, p. 214, TA 472 A3 1980.

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