Thermal-mechanical working of wrought non-hardenable nickel allo

Details Thermal-mechanical working of wrought non-hardenable nickel allo Thermal-mechanical working of wrought non-hardenable nickel allo

1982-11-10

1984-12-25

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148 115Q, 148127, 148427, 228158, C22D 110

Patent

active

044901860

ABSTRACT:
The weld zone in Hastelloy X nickel superalloy is thermal mechanically worked by cold working the weld zone to reduce its thickness by about 5-40%, and by annealing at 1120.degree.-1175.degree. C. for one hour to cause recrystallization. Low cycle fatigue properties of laser and gas tungsten arc weld zones are substantially increased.

REFERENCES:
patent: 3279050 (1966-10-01), Simich
patent: 3645726 (1972-02-01), Copson et al.

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