Method of producing alloys based on calcium, silicon and iron

Details Method of producing alloys based on calcium, silicon and iron Method of producing alloys based on calcium, silicon and iron

1974-08-20

1976-01-06

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75129, C22D 706

Patent

active

039308421

ABSTRACT:
A method of making an alloy of calcium, silicon and iron in which a batch is charged into an electric furnace in portions and melted in a reducing atmosphere, with the loading of the first batch portion consisting entirely of lime being started during the period of discharging the melt of the previous melting, and with the last batch portion amounting to from 3-30 wt.% of the quantity of the melt present in the furnace being loaded 10-30 minutes before the melt is discharged from the furnace.

REFERENCES:
patent: 2194965 (1940-03-01), Andrieux
patent: 3256087 (1966-06-01), Pfluger
patent: 3475162 (1969-10-01), Rhodes et al.

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