Electricity: conductors and insulators – Conduits – cables or conductors – Conductor structure
Patent
1982-03-15
1984-01-17
Grimley, A. T.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductor structure
29599, 29825, 156 50, 156155, 174126S, 174128S, 228200, 335216, 423613, 423614, H01B 708, H01B 1200
Patent
active
044265506
ABSTRACT:
An improved multiwire conductor of the type which is mechanically stabilized by a tin based solder filler. A solder filled conductor is heated to a temperature above its melting point for a period long enough to allow a substantial amount of copper to be dissolved from the wires comprising the conductor. The copper forms the brittle intermetallic compound Cu.sub.5 Sn.sub.6 with tin in the solder. After cooling the conductor is flexed causing a random cracking of the solder, and thereby increasing the interwire resistance of the conductor. The subject invention is particularly adapted for use with braided, ribbon-type solder filled superconductors.
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patent: 3548078 (1970-12-01), Albrecht
patent: 3638154 (1972-01-01), Sampson
patent: 3954572 (1976-05-01), Ziegler
patent: 4079187 (1978-03-01), Fillunger
patent: 4161062 (1979-07-01), Agatsuma et al.
Accelerator Superconducting Magnets Give Headaches; Physics Today; Apr. 1981, pp. 17-20.
A Productive Colloration; Brookhaven Bulletin; vol. 35, No. 12; Mar. 27, 1981.
Luhman Thomas
Suenaga Masaki
Besha Richard G.
Gottlieb Paul A.
Grimley A. T.
Nimmo Morris H.
The United States of America as represented by the United States
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