METHOD OF AGEING OF HEAT RESISTANT ALLOYS Russian patent published in 2009 - IPC C21D6/00 

Abstract RU 2366725 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to machine - building and can be used in mechanical manufacturing to cutting the defails from grade of alloy "ЭИ787 (ХН35ВТЮ)" after their ageing. Alloy is heated at high temperature and successively cooled in air; further alloy is annealed at low temperature of 200°C during 3 hours, cooled in air, aged by means of heating to temperature of ageing; and conditioned at this temperature with successive cooling in air.

EFFECT: restriction of hardness growth and improvement of machining quality.

1 tbl, 1 dwg

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RU 2 366 725 C2

Authors

Karpov Leonid Pavlovich

Kurochkin Palladij Palladievich

Stolbova Nehlli Mikhajlovna

Dates

2009-09-10Published

2005-03-03Filed