Method of refining molten metal or molten alloy

Details Method of refining molten metal or molten alloy Method of refining molten metal or molten alloy

1993-06-03

1995-10-03

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75511, C21C 704, C21C 7072, C21C 710

Patent

active

054548543

ABSTRACT:
A method of refining a molten metal or a molten alloy through degassing, wherein a gas is blown into a molten metal or a molten alloy contained within a refining container, while stirring by utilizing an electromagnetic force, to superimpose the blown gas onto a molten metal or a molten alloy, and the stirring by an electromagnetic force, to thereby refine the blown gas, and at the same time, increase the residence time of the blown gas in the molten metal or molten alloy bath and homogeneously disperse the blown gas in the molten metal or molten alloy bath.

REFERENCES:
patent: 3606293 (1971-09-01), Erdely
patent: 4104057 (1978-08-01), Maas et al.
Stahl und Eisen, vol. 106, No. 25, p. 1430, Dec. 22, 1986.
Patent Abstracts of Japan, vol. 14, No. 304 (C-0734) Jun. 29, 1990.
"The Making, Shaping, And Treating Of Steel" W. T. Lankfort, Jr. Ed., pp. 672 to 674 and 682-684, 1985.
Supplementary European Search Report EP 91 91 0194 mailed on Apr. 2, 1993.

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