Process for treating metals and alloys for the purpose of refini

Details Process for treating metals and alloys for the purpose of refini Process for treating metals and alloys for the purpose of refini

1985-11-05

1987-03-24

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 420590, 420 20, C21C 702

Patent

active

046522999

ABSTRACT:
The refining additive is an alloy in the form of granules of a metal selected from the group of alkaline earth metals and zinc with a small quantity of a metallic element capable of giving the alloy a substantially lower melting point. The alloy can be a eutectic alloy.
This alloy, which is in the form of granules, allows the treatment of steels, cast iron and non-ferrous metals at lower temperatures and with a substantial reduction in bubble formation.
The alloy may be introduced in the form of a core wire.

REFERENCES:
patent: 2971833 (1961-02-01), Artru et al.
patent: 3767380 (1973-10-01), Csepanyi
patent: 4014686 (1977-03-01), Bassett
patent: 4137072 (1979-01-01), Kawakomi
patent: 4286984 (1981-09-01), Luycky
patent: 4462823 (1984-07-01), Fontaine
Kenneth A. Bowman, Magnesium by the Magnetherm Process-Process Contamination and Fused Salt Refining, Alcoa; Light Metals, 1986, vol. 2.

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