Method of manufacturing a high strength, high conductivity coppe

Details Method of manufacturing a high strength, high conductivity coppe Method of manufacturing a high strength, high conductivity coppe

1991-08-09

1994-06-21

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148680, 148684, C22F 102, C22F 108

Patent

active

053225740

ABSTRACT:
The present invention provides a new copper alloy containing silver from 4 to 32 at. %, which is useful for a magnet conductor, an IC lead frame, etc., having simultaneously a high strength and a high conductivity, manufactured by blending from 4 to 32 at. % silver into copper, casting, rapidly cooling and cold-working wherein the cold-working step includes a hot working treatment at a reduction rate of 40% to 70% at temperatures of from 300.degree. to 500.degree. C.

REFERENCES:
Duwez, P., R. H. Willens and W. Klement, Jr. J. Applied Phys., 31 (1960) 1136.
Goto, T. Trans. Jpn. Inst. Met. (Jul. 1979) 20, (7), 377-382.
Metal Alloys Index 80(12): 31-4234 1980.
Metals Handbook, 9th Ed., vol. 2, pp. 266-267, 269-272 1979.

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