Single crystal nickel superalloy

Details Single crystal nickel superalloy Single crystal nickel superalloy

1980-01-23

1983-02-01

Dean, R.

Metal treatment

Compositions

Heat treating

148162, 148409, 420448, C22F 110

Patent

active

043714048

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 in weight percent is 7.5% Cr, 5.0% Al, 1.0% Ti, 2.0% Mo, 4.0% W, 12.0% Ta, 5% Co, balance nickel. Material of this composition is cast and solidified in single crystal form and heat treated to produce an optimum microstructure.

REFERENCES:
patent: 4222794 (1980-09-01), Schweizer et al.

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