Nickel base superalloy articles and method for making

Details Nickel base superalloy articles and method for making Nickel base superalloy articles and method for making

1986-06-02

1988-09-06

Dean, R.

Metal treatment

Compositions

Heat treating

148 115N, 148 127N, 148410, 148428, C22F 110

Patent

active

047690879

ABSTRACT:
A process is described for converting a fine grain superalloy casting into a forging having mechanical properties equivalent to those resulting from powder metallurgy processing. Cast material is extruded and forged. A HIP treatment is employed to close porosity.

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patent: 4081295 (1978-03-01), Vogel
patent: 4110131 (1978-08-01), Gessinger
patent: 4392894 (1983-07-01), Pearson et al.
patent: 4574015 (1986-03-01), Genereux et al.
patent: 4579602 (1986-04-01), Paulonis et al.

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