Mold of precipitation hardenable copper alloy for continuous cas

Details Mold of precipitation hardenable copper alloy for continuous cas Mold of precipitation hardenable copper alloy for continuous cas

1981-05-20

1983-03-22

Skiff, Peter K.

Metal treatment

Stock

Age or precipitation hardened or strengthened

420488, C22C 906

Patent

active

043774245

ABSTRACT:
A precipitation hardenable alloy suitable for forming molds for continuous casting of steel and other metal containing, by weight, 0.2-2.0% nickel, 0.05-0.5% beryllium, 0.01-1.0% niobium and the balance essentially copper. The alloy is subjected to heat treatment including solution treatment and aging, so that it has improved strength, high thermal conductivity and high toughness at elevated temperatures. The alloy may contain 0.03-0.6 wt % zirconium, 0.03-0.6 wt % zirconium and 0.01-0.1 wt % magnesium, or 0.03-0.6 wt % zirconium and 0.01-0.2 wt % titanium in place of the 0.01-1.0 wt % niobium.

REFERENCES:
patent: 2137283 (1938-11-01), Hensel et al.
patent: 2289593 (1942-07-01), Sawyer et al.
patent: 3170204 (1965-02-01), Tarmann
patent: 3488188 (1970-01-01), Paces et al.
patent: 3988176 (1976-10-01), Watanabe et al.
patent: 4059142 (1977-11-01), Alberny et al.

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