Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent
1984-07-31
1986-07-15
Rosenberg, Peter D.
Metal treatment
Stock
Age or precipitation hardened or strengthened
420495, C22C 900
Patent
active
046004483
ABSTRACT:
A tantalum-copper alloy can be made by preparing a consumable electrode consisting of an elongated copper billet containing at least two spaced apart tantalum rods extending longitudinally the length of the billet. The electrode is placed in a dc arc furnace and melted under conditions which co-melt the copper and tantalum to form the alloy.
REFERENCES:
patent: 1742417 (1930-01-01), Schrobsdorff
patent: 2430306 (1947-11-01), Smith
patent: 4378330 (1983-03-01), Verhoeven
Kieffer, "Niob-Tantal-Tranklegierungen", Metall, Jul. 1963, pp. 669-677.
Gibson Edwin D.
Schmidt Frederick A.
Verhoeven John D.
Hightower Judson R.
Rees Walter L.
Rosenberg Peter D.
The United States of America as represented by the United States
Weinberger James W.
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