Method for producing superconductors

Details Method for producing superconductors Method for producing superconductors

1979-11-02

1982-03-30

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

148133, 148 115F, 148 115Q, 174126S, H01L 3924

Patent

active

043217494

ABSTRACT:
A method for producing a V.sub.3 Al superconductor which comprises making a composite composed of a sheath portion of a copper alloy containing 1 to 15 atomic percent of germanium, 1 to 15 atomic percent of silicon or 2 to 25 atomic percent of gallium and surrounded by the sheath portion, at least one core portion of a vanadium-aluminum alloy containing 0.5 to 20 atomic percent of aluminum; elongating the composite; and then heat-treating the elongated composite thereby to form a V.sub.3 (Al, Ge), V.sub.3 (Al, Si) or V.sub.3 (Al, Ga) layer between the sheath portion and the core portion.

REFERENCES:
patent: 4094059 (1978-06-01), Tachikawa et al.
T. Asada et al., Japanese Journal of Applied Physics, 8 (1969) p. 958.
G. Otto, Z. Physik, 218, (1969), pp. 52-55.
H. L. Luo et al., Z. Physik, 230, pp. 443-448.

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