METHOD OF INERT GAS HARDENING Russian patent published in 2001 - IPC

Abstract RU 2164247 C1

FIELD: mechanical engineering; heat treatment of parts made from structural, tool and alloyed steels. SUBSTANCE: method employs mixture of the following composition, %: helium, 20; and argon, the balance. Method is used for scale-free hardening of parts. EFFECT: extended technological capabilities; enhanced ecological safety; increase of cooling capacity by two times due to addition of 20% of helium to argon. 2 dwg

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RU 2 164 247 C1

Authors

Karpov L.P.

Dates

2001-03-20—Published

1999-08-03—Filed