Homogenization of metal using gas

Details Homogenization of metal using gas Homogenization of metal using gas

1980-10-16

1982-01-19

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 60, C21C 534

Patent

active

043115187

ABSTRACT:
In the homogenization of molten metal with a gas, the gas is delivered to agitate the molten metal in a vessel, through an injector tube having a fine bore effective to prevent penetration of molten metal into and along the bore; when injection of gas is discontinued, molten metal is allowed to solidify on the tip of the tube to seal it; when gas is to be delivered to a second load of molten metal in the vessel, it is delivered, at least initially, at a pressure effective to unseal the tube at the tip to permit entry of the gas into the second load to agitate the molten metal and thereby homogenize it; the injector tube can be used for successive batches of molten metal without maintenance.

REFERENCES:
patent: 2855293 (1958-10-01), Savard

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