Process for production of copper base alloys and terminals using

Details Process for production of copper base alloys and terminals using Process for production of copper base alloys and terminals using

1993-03-24

1994-06-21

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148681, 148682, 148683, C22F 108

Patent

active

053225759

ABSTRACT:
A copper base alloy for terminals that is superior in all aspects of tensile strength, spring limits, conductivity, and stress relaxation characteristics can be produced by a process repeating the cycles consisting of hot-rolling, cold-rolling and annealing, in which process an ingot is prepared by melting and casting an alloy containing 1.0-3.0 wt % Ni, 0.02-0.15 wt % P. 0.5-2.0 wt. % Sn and, as an optional component, 0.01-2.0 wt % Zn, with the balance being Cu and incidental impurities, and with the ratio of weight percentages of Ni to P being within the range of 10-50%.

REFERENCES:
patent: 4337089 (1982-06-01), Arita et al.
patent: 4466939 (1984-08-01), Kim et al.
patent: 4971758 (1990-11-01), Suzuki et al.

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