Cyclic oxidation-hot corrosion resistant nickel-base superalloys

Details Cyclic oxidation-hot corrosion resistant nickel-base superalloys Cyclic oxidation-hot corrosion resistant nickel-base superalloys

1980-09-22

1983-06-14

Dean, R.

Metal treatment

Stock

Directionally solidified

148410, 148428, C22C 1905

Patent

active

043881246

ABSTRACT:
An article of manufacture exhibiting cyclic oxidation-hot corrosion resistant properties comprising a non-eutectic nickel-base superalloy consisting essentially of, on a weight basis, 1-9% Re, 0-2% Ti, at least 2% Al, 3-12% Cr, 1-5.9% Ta, 0-0.5% C, 2-12% Co, 2-10% W, less than 1% V, 2-10% Mo, 0-5% Cb, 0-3% Hf, 0-1.5% Zr and 0-0.20% B, the balance being essentially Ni and incidental impurities. Especially preferred are articles of manufacture in the form of a unidirectionally solidified anisotropic metallic body of the above alloy composition.

REFERENCES:
patent: 3526499 (1970-09-01), Quigg et al.
patent: 3904402 (1975-09-01), Smashey
patent: 4284430 (1981-08-01), Henry

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