METHOD FOR FILTRATION TREATMENT OF MELT METAL AT CASTING Russian patent published in 2002 - IPC

Abstract RU 2194594 C1

FIELD: removal out of melts of ferrous and non-ferrous metals gaseous and solid non-metallic inclusions. SUBSTANCE: method comprises steps of pouring melt to ingot mold through double-layer foamed ceramic filter after vacuum refining; using filter with pore size of upper layer more than pore size of lower layer; selecting thickness of first layer more than that of second layer in order to trap large part of inclusions in first layer and to trap finely dispersed inclusions in second layer; selecting pore size according to condition of achieving maximum refining effect. EFFECT: enhanced mechanical characteristics of alloy. 3 cl, 3 dwg, 1 tbl

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RU 2 194 594 C1

Authors

Il'Enko E.V.

Lositskij A.F.

Rodchenkov N.V.

Uslamin A.V.

Khripunov N.S.

Cheremnykh G.S.

Rozhko V.V.

Belov R.G.

Dates

2002-12-20Published

2001-04-23Filed