Methods for fabricating metallic workpieces

Details Methods for fabricating metallic workpieces Methods for fabricating metallic workpieces

1980-05-05

1983-03-15

Larson, Lowell A.

Metal treatment

Compositions

Heat treating

72364, 148130, 148131, C21D 178

Patent

active

043766625

ABSTRACT:
Methods for fabricating metallic components in which expansion of a mandrel and changes that take place in the workpiece material during precipitation hardening--phase changes, volume contraction, and increased ductility--are utilized to size the component to a selected diameter and to stabilize the component at that diameter. Mandrels for such methods.

REFERENCES:
patent: 693179 (1902-02-01), Sneddon
patent: 3298096 (1967-01-01), Stuart
patent: 3383900 (1968-05-01), Van Hartesveldt
patent: 3550422 (1970-12-01), Potter
patent: 3805567 (1974-04-01), Agius-Sinerco
Wilson, "Forming of Hi-Temperature Metals", ASME Paper #61-AV-6, 3/61.

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