Method for the addition of a reactive metal to a molten metal ba

Details Method for the addition of a reactive metal to a molten metal ba Method for the addition of a reactive metal to a molten metal ba

1979-03-09

1980-07-29

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, 75 96, 75129, 75130R, C21C 702

Patent

active

042148995

ABSTRACT:
A method for the addition of a reactive metal to a molten metal bath wherein the vapor pressure of the reactive metal at the bath temperature exceeds the total ambient pressure above the surface of the bath by establishing a gaseous atmosphere containing a nonreactive gas and a small quantity of SF.sub.6 above the surface of the bath so as to increase the recovery of the reactive metal addition in the bath.

REFERENCES:
patent: 3545960 (1970-12-01), McClellan
patent: 4089678 (1978-05-01), Hanawalt

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