Importance

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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.

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First Claim