Method of melting copper alloys

C - Chemistry – Metallurgy – 22 – C

Patent

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53/282, 75/68

C22C 9/01 (2006.01) C22B 9/00 (2006.01) C22B 9/10 (2006.01) C22B 15/00 (2006.01)

Patent

CA 1089652

ABSTRACT OF THE DISCLOSURE 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. The salt has a melting point of from 660 to 800°C. Additional amounts of said alloy are added through said flux layer.

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