Heat-resistant Ni-base single crystal alloy

Details Heat-resistant Ni-base single crystal alloy Heat-resistant Ni-base single crystal alloy

1987-11-05

1989-05-16

Dean, R.

Metal treatment

Compositions

Heat treating

148162, 148404, 148410, C22F 110

Patent

active

048306797

ABSTRACT:
A heat-resistant Ni-base single crystal alloy, suitable as a material for blades and vanes of gas turbines or jet engines, consists of, by weight, 5 to 10% of Co, 5 to 10% of Cr, 9 to 15% of W, 1 to 5% of Mo, 4.5 to 6% of Al, 5 to 10% of Ta, and the balance substantially of Ni with the total proportion of W, Mo and Ta being 17 to 24%, and is produced by directional solidification of a melt of the above-specified composition, followed by solution treatment and aging treatment.

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patent: 4707192 (1987-11-01), Yamazaki et al.
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Harris et al., High Tempt. Alloys for Gas Turbines & Other Applications, 1986, pp. 709-729.
Gell et al., Superalloys 1980, pp. 205-214.
Pearson et al., Superalloys 1980, pp. 513-519.
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Khan et al., Superalloys 1984, pp. 145-155.

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