Method of melting copper alloys with a flux

Details Method of melting copper alloys with a flux Method of melting copper alloys with a flux

1976-02-19

1977-07-26

Satterfield, Walter R.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 93AD, 75257, 75162, C22B 1500, C22B 900, C22C 901

Patent

active

040380688

ABSTRACT:
Improved method for melting copper base alloys containing from 2 to 12% aluminum including the steps of covering a molten mass of said copper base alloy with an essentially continuous flux layer of a molten salt consisting essentially of from 10 to 90% by weight of potassium chloride, from 10 to 90% by weight of sodium chloride and less than 5% by weight of other materials, said salt having a melting point of from 660 to 800.degree. C, and adding additional amounts of said alloy through said flux layer.

REFERENCES:
patent: 446351 (1891-02-01), Jeancon
patent: 2944890 (1960-07-01), Klement
patent: 3754897 (1973-08-01), Derham
patent: 3958979 (1976-05-01), Valdo
Levin, E. et al., Phase Diagrams..., (KCl-NaCl), Columbus, 1964, FIG. 1258.
Lyman, T. (Ed.), Metals Handbook, vol. 2, Cleveland (ASM) 1964, p. 59.

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