METHOD OF CASTING WITH USE OF INVESTMENT PATTERNS AND WITH CRYSTALLIZATION UNDER PRESSURE Russian patent published in 1995 - IPC

Abstract RU 2048954 C1

FIELD: casting production. SUBSTANCE: method comprises steps of filling a ceramic mold, had been molded beforehand and fastened over a metal receiver, by extruding a melt out of the metal receiver with the aid of a punch at temperature of crystallization beginning and by subsequent sustaining of a pressure upon the melt, in a range 0.2-0.5 MPa; performing a filling for pure metals and alloys, crystallizable in a narrow temperature range, upon their melting temperature, increased by 10 C, and for alloys, crystallizable in a wide range, at a temperature, being different from their melting temperature by ± 10°C. EFFECT: increased yielding at making complex-configuration castings. 2 cl, 1 dwg

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RU 2 048 954 C1

Authors

Tomilov V.I.

Chernov N.M.

Karanik Ju.A.

Grechko V.N.

Dates

1995-11-27Published

1989-12-11Filed