Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1976-12-06
1977-10-11
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 10A, C22B 2102
Patent
active
040533034
ABSTRACT:
Aluminum-silicon alloys are formed by bringing a mix containing sources of alumina, silica and carbon to a temperature in the range of 1500.degree. and 1600.degree. C to form silicon carbide and carbon monoxide. The mix containing the silicon carbide is then brought to a temperature in the range of 1600.degree. to 1900.degree. C to form aluminum oxycarbide and carbon monoxide. Thereafter, the mix containing the silicon carbide and aluminum oxycarbide is brought to a temperature in the range of 1950.degree. to 2200.degree. C to produce an aluminum-silicon alloy.
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Cochran C. Norman
Das Subodh K.
Milito Richard A.
Alexander Andrew
Aluminum Company of America
Andrews M. J.
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