METHOD OF CASTING PRECISE CASTS Russian patent published in 2016 - IPC B22D27/04 

Abstract RU 2579841 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy. Ceramic mould is annealed at 800-1000°C for 2-4 hours, cooled down to 20-950°C and cured at the latter for 10-40 minutes. Liquid alloy overheated by 50-200°C relative to initial temperature of fusion is teemed into said mould after 10-100 seconds. Said mould is immersed in cooling liquid medium at constant or variable rate at 15-85°C, said medium being composed of 1-99 vol % of the liquid polymer aqueous solution.

EFFECT: high surface quality and homogeneity of macro- and microstructure in the wall cross-section.

4 cl, 5 ex

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RU 2 579 841 C2

Authors

Chekaj, Edvard

Karvinski, Aleksandr

Dates

2016-04-10Published

2012-08-10Filed