Demagging process for aluminum alloy without air pollution

Details Demagging process for aluminum alloy without air pollution Demagging process for aluminum alloy without air pollution

1978-01-25

1980-01-15

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 67A, 204 61, 204 67, 204 70, C22B 2106

Patent

active

041837452

ABSTRACT:
Removal of magnesium from a magnesium-containing aluminum alloy is obtained by melting the aluminum alloy, superposing a layer of molten flux containing chlorides or fluorides upon the molten aluminum alloy, and passing an electric current between the molten aluminum and the molten flux for thereby causing magnesium to pass from the aluminum layer into the flux layer and form magnesium chloride or magnesium fluoride.

REFERENCES:
patent: 673364 (1901-04-01), Hoopes
patent: 1258261 (1918-03-01), Seward
patent: 3335076 (1967-08-01), Burkhardt

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