Technique for removing impurities from a copper melt

Details Technique for removing impurities from a copper melt Technique for removing impurities from a copper melt

1984-04-11

1985-08-27

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 93R, C22B 1500

Patent

active

045376271

ABSTRACT:
A copper or copper alloy material having a reduced number of defects is formed by removing impurities from the material while in a molten state with a member having exposed silicon carbide particles. The member may be a bed filter formed from bed media having exposed silicon carbide particles, a porous body formed from a slurry containing silicon carbide, a porous body having at least one melt contacting surface coated with a silicon carbide material, and/or a lining having at least one melt contacting surface coated with a silicon carbide material.

REFERENCES:
patent: 3039864 (1962-06-01), Hess
patent: 3051564 (1962-08-01), Drenning
patent: 3158465 (1964-11-01), Brown
patent: 4265659 (1981-05-01), Blome
patent: 4277281 (1981-07-01), Weber et al.
patent: 4426287 (1984-01-01), Narumiya

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