Electric contact material and electric contact using said materi

Details Electric contact material and electric contact using said materi Electric contact material and electric contact using said materi

1990-07-23

1992-12-15

Dean, Richard O.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428673, 420501, 420502, 420503, 420504, 420505, 420506, C22C 506, C22C 508

Patent

active

051716437

ABSTRACT:
An electric contact material comprising 0.01 to 2.0 weight % of Li, 0.01 weight % or more to less than 0.2 weight % of at least one rare earth metal and the remainder being Ag. The electric contact material may further comprise 0.1 to 1.0 weight % of at least one element selected from a group consisting of In, Sn, Zn, Mn, Pd, Sb, Cu, Mg, Pb, Cd, Cr and Bi, however, for Zn and Mn, the amount is less than 0.5 % by weight; and/or 0.03 to 0.6 weight % of at least one element selected from a group consisting of Fe, Ni and Co. The electric contact material is excellent in arc resistance, wear resistance and lubricity in a small current region and is suitable as a material for a slide contact and a rotary slide contact.

REFERENCES:
patent: 2221285 (1940-11-01), Hensel et al.
patent: 4374668 (1983-02-01), Desai et al.
patent: 4456662 (1984-06-01), Malikowski et al.
World Patents Index, Week 7711, Derwent Publications Ltd., London, GB; AN 77-18940Y (11) of JP-A-52 013 689, Feb. 1977.
Patent Abstracts of Japan, vol. 7, No. 205, Sep. 9, 1983, of JP-A-58 104 141 (Tanaka Kikinzoku) Jun. 2, 1983, Japan.
World Patents Index Latest, Week 8506, Derwent Publications Ltd. London, GB; AN 85-035087 of JP-A-59 229 440 (Tanaka Kikinzoku), Dec. 22, 1984.
Patent Abstracts of Japan, vol. 7, No. 205, Sep. 9, 1983 of JP-A-58 104 139 (Tanaka Kikinzoku), Jun. 21, 1983, Japan.

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