Grain refinement of a copper base alloy

Details Grain refinement of a copper base alloy Grain refinement of a copper base alloy

1990-01-02

1991-06-25

Yee, Deborah

Metal treatment

Compositions

Heat treating

75652, 148434, 148 115C, 420477, 420496, C22C 900, C22F 108

Patent

active

050264338

ABSTRACT:
A method of producing a grain refined copper base alloy containing iron in the amount of less than 2.3% by weight and which is cast into an ingot by conventional direct chill casting. Calcium is added to the melt before casting, preferably in the form of a copper-clad or iron-clad calcium feedwire.

REFERENCES:
patent: 3522039 (1970-07-01), McLain
patent: 3522112 (1970-07-01), McLain
patent: 4786469 (1988-11-01), Weber et al.

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