MOLDING SAND PREPARATION METHOD FOR CASTING MAGNESIUM ALLOYS Russian patent published in 2005 - IPC

Abstract RU 2264884 C1

FIELD: manufacture of castings of magnesium alloys by casting to sandy-argillaceous molds.

SUBSTANCE: method comprises steps of adding to molding sand protective additive consisting of urea, boric acid and aluminum sulfate; preliminarily disintegrating urea and aluminum sulfate to powder; adding urea, boric acid and aluminum sulfate to molding sand one after another; agitating molding sand after adding each component.

EFFECT: stable physical and mechanical properties of molding sand due to uniform distribution in it component of additive, shortened time period, lowered energy consumption for preparing molding sand.

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RU 2 264 884 C1

Authors

Pochkarev Ju.A.

Varentsov V.V.

Kolobkova E.A.

Viktorova G.V.

Dates

2005-11-27—Published

2004-03-02—Filed