Heat treating a metallic workpiece by quenching under cooling ga

Details Heat treating a metallic workpiece by quenching under cooling ga Heat treating a metallic workpiece by quenching under cooling ga

1988-10-25

1989-09-19

Roy, Upendra

Metal treatment

Compositions

Heat treating

148 131, 148 16, 148 167, 148125, 148131, C21D 174

Patent

active

048678082

ABSTRACT:
A process for heat treatment of metallic workpieces by heating in a vacuum furnace followed by quenching in a coolant gas under above-atmospheric pressure and with coolant-gas circulation.

REFERENCES:
patent: 4113426 (1978-09-01), Rogers
patent: 4167426 (1979-09-01), Snyder et al.
patent: 4302256 (1981-11-01), Kenton
patent: 4571273 (1986-02-01), Ebner
patent: 4612064 (1986-09-01), Schmetz

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