Strip shaped or wire-shaped compound material

Details Strip shaped or wire-shaped compound material Strip shaped or wire-shaped compound material

1995-12-06

1998-06-16

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428647, 428939, 420557, B32B 1520, C22C 1300

Patent

active

057667764

ABSTRACT:
A strip-shaped or wire-shaped compound material with a base material of copper or a copper alloy and with a moltenly applied surface coating of a tin alloy, whereby between both materials there is formed an intermetallic phase. The inventive additive of 0.001 to 0.5% cobalt to pure tin or a tin alloy results in a particularly fine-granular, smooth intermetallic phase and not only a higher total layer hardness, a better bendability, a higher shearing resistance and a lower elasticity module, but, in particular, also a high creeping resistance. The compound material can be utilized within a wide range for electromechanical and electrooptical structural elements, plug connectors and soldered structural parts.

REFERENCES:
patent: 3481795 (1969-12-01), Lane
patent: 3881919 (1975-05-01), Hyner et al.
patent: 4749626 (1988-06-01), Kadija et al.
patent: 4795682 (1989-01-01), Turner et al.
R. Duckett et al., "Influence of Solder Compositions . . . ", Electroplating and Metal Finishing, pp. 13-14, 16, 18-20, May 1976.
Chemical Abstract No. 101:16031, Magnetic properties of transition metal solutes in liquid indium, tin, antimony, and tellurium., (no month) 1984.
Chemical Abstract No. 101:45431, Electrodeposition of a tin-cobalt alloy, (no month) 1984.
Chemical Abstract No. 102:14064, Electroplating of bright tin-cobalt alloys, (no month) 1984.
Chemical Abstract No. 106:92491, Electrodeposition of a tin-cobalt alloy, (no month) 1985.
Chemical Abstract No. 127:196846, Electroplating of bright tin-cobalt-zinc alloy from a weak acid solution, (no month) 1997.

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