Copper alloys with small amounts of manganese and selenium

Details Copper alloys with small amounts of manganese and selenium Copper alloys with small amounts of manganese and selenium

1980-04-09

1982-01-19

Skiff, Peter K.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75161, 148 115C, 148 32, C22C 900, C27C 905

Patent

active

043115225

ABSTRACT:
Copper alloys having high conductivity at room temperature and superior resistance to softening at elevated temperatures comprise oxygen-free copper containing small but effective amounts of selenium and manganese, and in particular about 4 to about 100 parts per million selenium and about 4 to about 100 parts per million manganese. The alloys can advantageously be used in place of copper-silver alloys, with a realization of improved properties and reduced cost.

REFERENCES:
patent: 1896193 (1933-02-01), Corson
patent: 2038136 (1936-04-01), Smith
patent: 2178508 (1939-10-01), Zickrick
patent: 2206109 (1940-07-01), Muller et al.
patent: 2232960 (1941-02-01), Milnes
patent: 3451808 (1969-06-01), Thielmann
patent: 4059437 (1977-11-01), Nesslage et al.
Temple, "Recent Developments in Properties and Protection of Copper for Electrical Uses", Metallurgical Reviews, vol., 1966, pp. 47-60.
Mendenhall, Understanding Copper Alloys, Olin Brass, East Alton, Illinois, 1977, pp. 64-67.

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