Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1977-06-03
1978-06-27
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 93AC, 75 63, C22B 2106
Patent
active
040972704
ABSTRACT:
Magnesium is removed from an aluminum alloy containing magnesium by reacting the alloy with silica to form silicon metal which dissolves in the aluminum alloy and magnesium oxide. The reaction between the alloy and the silica preferably is initiated as a suspension. The magnesium oxide formed is removed, e.g. by fluxing.
REFERENCES:
patent: 1972432 (1934-09-01), Girsewald
patent: 2054427 (1936-09-01), Kirsebom
patent: 2511775 (1950-06-01), Kelly et al.
patent: 3620716 (1971-11-01), Hess
patent: 3765878 (1973-10-01), Bullough
Coyle, Jr. Bernard H.
Gallagher Peter C. J.
Rao Mannige Vikram
Andrews M. J.
N L Industries, Inc.
Sutherland Malcolm L.
White Gerald K.
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