Heat treatment for superalloy

Details Heat treatment for superalloy Heat treatment for superalloy

1986-02-24

1987-06-30

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148410, C22F 110

Patent

active

046768467

ABSTRACT:
A cobalt-free nickel-base superalloy composed of in weight % 15 Cr-5 Mo-3.5 Ti-4 Al-0.07 (max) C-remainder Ni is given a modified heat treatment. With this heat treatment the cobalt-free alloy achieves certain of the mechanical properties of the corresponding cobalt-containing nickel-base superalloy at 1200.degree. F. (650.degree. C.). Thus strategic cobalt can be replaced with nickel in the superalloy.

REFERENCES:
patent: 2570194 (1951-10-01), Bieber et al.
patent: 3272666 (1966-09-01), Symonds
patent: 3536542 (1970-10-01), Murphy et al.
patent: 4161412 (1979-07-01), Henry

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