Method for producing superconductive wires of multifilaments whi

Details Method for producing superconductive wires of multifilaments whi Method for producing superconductive wires of multifilaments whi

1981-05-20

1983-09-06

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

29599, 148 115P, 148 115Q, H01L 3900

Patent

active

044027680

ABSTRACT:
A method for producing a superconductive wire of multifilaments having components comprising niobium and aluminum encased in copper or a copper alloy, wherein the multifilament configuration and the formation of a superconductive Al5 phase are positively developed from the components disposed in a copper or copper alloy tube having an interior metallic coating serving as a diffusion barrier, by cold forming and subsequent heat treatment.

REFERENCES:
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patent: 4109374 (1978-08-01), Whetstone et al.
patent: 4177087 (1979-12-01), Lee et al.
patent: 4223434 (1980-09-01), Wang et al.
Akihama et al., "Fabrication of Multifilamentary Nb-Al By a Powder Metallurgy Process", IEEE Trans. on Magnetics, vol. Mag-17, No. 1, Jan. 1981, pp. 274-277.
Flukiger et al., "Fabrication on a Laboratory Scale and Mechanical Properties of Cu-Nb-Sn Multifilamentary Superconducting Composite Wires Produded by Cold Powder Metallurgy Processing", Appl. Phys. Lett. 35(10), Nov. 15, 1979, pp. 810-812.
Roberge et al., "In Situ and Powder Metallurgy Multifilamentary Superconductors: Fabrication and Properties", Filamentary Al5 Superconductors, Plenum Press, N.Y., 1980, pp. 241-257.
Ceresara et al., "Practical Nb.sub.3 Al Wires: Experimental Behavior of Small Scale Solenoids", IEEE Transactions on Magnetics, vol. Mag. 15, Jan. 1979, pp. 639-641.
Larson et al., "Mechanically Alloyed Superconducting Compounds", Proceedings of International Conference, Nov. 8-10, 1976, Port Chester, N.Y., (1977), pp. 155-163.

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