METHOD FOR PRODUCING CASTINGS BY DIRECTED CRYSTALLIZATION Russian patent published in 2008 - IPC B22D27/04 

Abstract RU 2317874 C1

FIELD: production of cast products.

SUBSTANCE: method comprises steps of heating casting mold in furnace till temperature exceeding liquids temperature of castings; pouring melt from crucible at least into one intermediate cavity whose volume is no less than that of cast piece; continuously filling cavity restricting cast piece from said intermediate cavity at least through one capillary; displacing casting mold with melt from furnace to cooling zone. Cavity restricting cast piece is filled with possibility of providing melt level over crystallization front in range no less than thickness of cast piece.

EFFECT: less loss of yield, possibility for producing cast pieces with normalized crystalline structure, lowered force action of melt upon walls of ceramic mold, laminar melt flow for filling cavity of casting mold.

7 cl, 4 dwg

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RU 2 317 874 C1

Authors

Nikishin Vladimir Andreevich

Vinogradov Vladimir Aleksandrovich

Chumakov Maksim Vladimirovich

Kharjutkina Tat'Jana Ivanovna

Gribachev Pavel Nikolaevich

Ogarkov Arsenij Aleksandrovich

Dates

2008-02-27Published

2006-05-30Filed