Clean single crystal nickel base superalloy

Details Clean single crystal nickel base superalloy Clean single crystal nickel base superalloy

1996-08-21

1998-06-02

Yee, Deborah

Metal treatment

Stock

Nickel base

420448, C22C 1905

Patent

active

057593035

ABSTRACT:
A nickel base superalloy composition consisting essentially of, in weight %, 9.3-10.0% Co, 6.4-6.8% Cr, 0.5-0.7% Mo, 6.2-6.6% W, 6.3-6.7% Ta, 5.45-5.75% Al, 0.8-1.2% Ti, 0.07-0.12% Hf, 2.8-3.2% Re, and balance essentially Ni wherein a carbon concentration of about 0.01 to about 0.08 weight % is provided for improving the cleanliness of a single crystal investment casting produced therefrom.

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patent: 4402772 (1983-09-01), Duhl et al.
patent: 4643782 (1987-02-01), Harris et al.
patent: 4719080 (1988-01-01), Duhl et al.
patent: 4801513 (1989-01-01), Duhl et al.
patent: 5100484 (1992-03-01), Wukusick et al.

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