OPENING SURFACE HARDENING METHOD Russian patent published in 1994 - IPC

Abstract RU 2015180 C1

FIELD: hardening of part opening surfaces. SUBSTANCE: method involves heating opening surface layer to temperature exceeding operating temperature by 250 C; providing quick cooling of surface to temperature of suppression of austenite pearlite transformation; hardening surface by kinetic energy excited by bullet in liquid medium through engagement of bullet and part opening surface with technological current and liquid upon escapement of bullet. EFFECT: wider operational capabilities. 1 dwg

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RU 2 015 180 C1

Authors

Nagajtsev V.F.

Nagajtsev P.V.

Dates

1994-06-30—Published

1991-03-29—Filed