Nickle base superalloy articles and method for making

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

1983-12-27

1986-03-04

Stallard, W.

Metal treatment

Compositions

Heat treating

148 127N, 148162, 148409, 148410, C22F 110

Patent

active

045740151

ABSTRACT:
Methods for increasing the forgeability of cast superalloy materials are described. An extremely overaged microstructure is developed by solutionizing the material and slow cooling in the vicinity of the solvus temperature to cause a precipitation of extremely coarse gamma prime material. Subsequently the material can be isothermally forged.

REFERENCES:
patent: 3620855 (1971-11-01), Wagner et al.
patent: 3649379 (1972-03-01), Kotval
patent: 3676225 (1972-07-01), Owczarski et al.
patent: 3677830 (1972-07-01), Cox et al.
patent: 4392894 (1983-07-01), Pearson et al.

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