METHOD OF THERMAL STABILISATION OF SIZES OF PRECISION INSTRUMENT PARTS FROM D20 HARDENED ALUMINIUM ALLOY Russian patent published in 2012 - IPC C22F1/57

Abstract RU 2461643 C1

FIELD: metallurgy.

SUBSTANCE: proposed method comprises artificial ageing at 170+5°C in two steps, eight hours each. Note here that, after first ageing step, machining is carried pout while second ageing step is combined with stabilising tempering.

EFFECT: reduced duration of processing and stabilisation.

1 ex, 1 tbl

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RU 2 461 643 C1

Authors

Eremin Anatolij Ivanovich

Barsukova Ol'Ga Viktorovna

Kharitonov Viktor Ivanovich

Dates

2012-09-20—Published

2011-06-20—Filed