METHOD OF REFINING ALUMINUM ALLOYS FROM MAGNESIUM Russian patent published in 1998 - IPC

Abstract RU 2103399 C1

FIELD: nonferrous metallurgy. SUBSTANCE: aluminum alloy scrap is melted and overheated above liquidus temperature by 150-300 C, and, under continuous stirring, refining component is added, in particular, oxides of metals included in aluminum alloys: silicon, copper, and zinc oxides in quantity 1.3-2.6 times exceeding quantity stoichiometrically required to oxidize magnesium, taken either separately or together. Oxides interact with magnesium to oxidize it and convert into slag, and oxide element dissolves in metal to alloy it. EFFECT: speeded up refining process, reduced aluminum loss, and additional alloying provided. 2 cl, 2 tbl

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RU 2 103 399 C1

Authors

Shishkin S.G.

Rubinshtejn E.A.

Fershtater I.B.

Shishkin E.S.

Dates

1998-01-27—Published

1996-09-25—Filed