Single crystal nickel superalloy

Details Single crystal nickel superalloy Single crystal nickel superalloy

1979-07-02

1980-09-16

Dean, R.

Metal treatment

Compositions

Heat treating

75171, 148 325, 148162, C22F 110

Patent

active

042227941

ABSTRACT:
A specific composition range and process sequence are described for the production of single crystal superalloy articles which have an exceptional combination of high temperature mechanical properties and resistance to oxidation and hot corrosion. The nominal composition is 5.2% Cr, 5.4% Al, 1.1% Ti, 2.0% Mo, 4.9% W, 6.4% Ta, 3% Re, 0.4% V, balance nickel. Material of this composition is cast and solidified in single crystal form and heat treated to produce an optimum microstructure.

REFERENCES:
patent: 4116723 (1978-09-01), Gell et al.

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