Method for machining by thermal shock

Details Method for machining by thermal shock Method for machining by thermal shock

1979-02-28

1980-11-25

Williams, Howard S.

Metal treatment

Compositions

Heat treating

B23K 700

Patent

active

042356474

ABSTRACT:
A method for the machining of a work blank by thermal shock, comprising the steps of locally heating and fusing the portions of the work blank desired to be machined and subsequently injecting a liquefied gas of extremely low temperature into the fused portions for thereby causing the fused portions to contract by thermal shock and enabling the removal of the fused portions and consequently the machining of the work to be accelerated by the explosive gasifying action of the liquefied gas.

REFERENCES:
patent: 2541344 (1951-02-01), Davis
patent: 3359140 (1967-12-01), Butler

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