Superconducting wire

Details Superconducting wire Superconducting wire

1991-01-10

1992-05-26

Roy, Upendra

Metal working

Method of mechanical manufacture

Electrical device making

420901, 428930, 148 96, H01L 3900, B32B 1500

Patent

active

051164299

ABSTRACT:
A Type II superconducting alloy is formed into a wire by extruding a billet of the alloy encased in a copper extrusion can. The extrusion can may include a nose and a tail section having a k factor equal to or greater than that of the body of the core. The nose section may also have a convex inner transverse surface, while the tail section has a concave inner transverse surface. The nose and tail section may be formed of a copper alloy which is of equal or greater stiffness than the alloy of the body of the core. Alternatively, a multifilament wire may be formed by extruding a billet composed of a plurality of separate superconducting wires encased in a copper extrusion can. The nose and tail section of the can may be modified as for the aforementioned monofilament billet.

REFERENCES:
patent: 4752654 (1988-06-01), Iida et al.
patent: 4757161 (1988-07-01), Wilhelm et al.
patent: 4776899 (1988-10-01), Murase et al.
patent: 4791241 (1988-12-01), Ando et al.
patent: 4894906 (1990-01-01), Huang
patent: 4959279 (1990-09-01), Tanaka et al.
patent: 4973365 (1990-11-01), Ozeryansky et al.
patent: 5011545 (1991-04-01), Ikeda et al.

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