Method of making oxidation resistant single crystal superalloy c

Details Method of making oxidation resistant single crystal superalloy c Method of making oxidation resistant single crystal superalloy c

1996-03-18

1997-08-26

Yee, Deborah

Metal treatment

Stock

Directionally solidified

148410, 148428, 420443, C22C 1903

Patent

active

056606494

ABSTRACT:
Single crystal superalloy castings are described which have excellent oxidation resistance. The oxidation resistance is due to the presence of small but effective amounts of magnesium in the casting. Single crystal castings containing magnesium in the range of 5-200 parts per million, by weight, are described.

REFERENCES:
patent: 3166412 (1965-01-01), Bieber
patent: 3859060 (1975-01-01), Eiselstein et al.
patent: 4719080 (1988-01-01), Duhl et al.
patent: 5069873 (1991-12-01), Harris et al.
patent: 5335717 (1994-08-01), Chin et al.
H. E. McGannon, The Making, Shaping and Treating of Steel, pp. 587 and 365, 1975.
Sims, Stoloff and Hagel, Superalloys II, pp. 293-323, 1987.

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