Metal treatment – Compositions – Heat treating
Patent
1984-07-30
1986-06-10
Stallard, Wayland
Metal treatment
Compositions
Heat treating
C22F 108
Patent
active
045941165
ABSTRACT:
A method for processing a copper alloy wherein the alloy comprises from 0.2-1.0% beryllium, 1.4-2.2% nickel or cobalt and remainder copper. Said method comprising one or more processing steps and characterized in that said steps conclude with cold working the alloy to an area reduction of at least 99% followed by a batch annealing at a temperature of 750.degree.-950.degree. F. for a period of 1-4 hours.
REFERENCES:
patent: 2257708 (1941-09-01), Stott
patent: 2289593 (1942-07-01), Sawyer et al.
patent: 2406683 (1946-08-01), Hensel et al.
Metals Handbook, 9th edition, vol. 2, Properties and Selection: Nonferrous Alloys and Pure Metals, ASM, Metals Park, Ohio, 1979, pp. 271-273, and 308.
McDonald, "A Dispersion Hardened Copper for Electrical Uses, Metal Progress, vol. 89, No. 4, Apr. 1966, pp. 70-72.
Hart, "High Strength Copper Alloys by Thermomechanical Treatments", Metallurgical Transactions, vol. 1, Nov. 1970, pp. 3163-3172.
Hudson Wire Company
Maslow Andrew D.
Stallard Wayland
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