Metal fusion bonding – Process – Metal to nonmetal with separate metallic filler
Patent
1990-09-21
1992-06-23
Heinrich, Samuel M.
Metal fusion bonding
Process
Metal to nonmetal with separate metallic filler
228223, 228248, 505927, B23K 100, B23K 119, B23K10316
Patent
active
051235862
ABSTRACT:
A process for joining ceramic superconductor fibers with a channel to fabricate a superconductor wire includes feeding the fibers into the channel and continuously dispensing a flowable solder paste into the channel over the fibers. The combination of channel, fibers and solder paste is then subjected to a rapid rise in temperature which sequentially activates the flux in the solder paste and then melts the solder. After the workpiece is cooled and the separated flux has been removed, a superconductor wire has been fabricated.
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patent: 3737989 (1973-06-01), Schaetti
patent: 4161062 (1979-07-01), Agatsuma et al.
Shimamoto et al, "Making and Testing of Multifilimentary Nb.sub.3 Sn . . . ", 6th International Conference on Magnetic Technology, pp. 1002-1006, 1977.
Hamilton et al, "Manufacture of a 16,000 Amp Superconducting Conductor . . . ", 9th Symposium on Engineering Problems of Fusion Research, pp. 324-327, 1981.
Metals Handbook, Ninth Edition, vol. 6, pp. 1100, 1101, 1983.
Elsner Frederick H.
Shearer Clyde H.
Woolf Lawrence D.
General Atomics
Heinrich Samuel M.
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