Agents for the removal of impurities from a molten metal and a p

Details Agents for the removal of impurities from a molten metal and a p Agents for the removal of impurities from a molten metal and a p

1984-06-27

1986-02-25

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 58, 75257, C21C 700

Patent

active

045727376

ABSTRACT:
There is disclosed an agent and a method for producing the same for removing impurities from a molten metal comprising a first compound capable of reacting with and removing the impurities contained in the molten metal and a second compound coated on the first compound to form a composite. The second compound has a contact angle with the molten metal less than that of the first compound, thereby causing the composite to be more wettable in the molten metal as compared to the first compound. This allows the composite to penetrate into the molten metal, resulting in the first compound efficiently reacting with the impurity contained within the molten metal.

REFERENCES:
patent: 3134667 (1964-05-01), Holowaty
patent: 3188195 (1965-06-01), Price
patent: 3721548 (1973-03-01), Hodge
patent: 3957502 (1976-05-01), Cull
patent: 4033762 (1977-07-01), Sato
patent: 4076522 (1978-02-01), Yoshida
patent: 4260413 (1981-04-01), Freissmuth
patent: 4279643 (1981-07-01), Jackman

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