Stabilized superconductive wires

Details Stabilized superconductive wires Stabilized superconductive wires

1974-02-07

1976-01-06

Stallard, W.

Metal treatment

Compositions

Heat treating

29599, 148 34, 174126CP, H01L 3900, H01B 1200

Patent

active

039309037

ABSTRACT:
A stable, high field, high current conductor is produced by packing multiple, multi-layer rods of a bronze core and niobium or vanadium inner jacket and copper outer jacket into a pure copper tube or other means for forming a pure copper matrix, sealing, working the packed tube to a wire, and by diffusion, heat treating to form a type II superconducting, Beta-Wolfram structure, intermetallic compound as a layer within each of several filaments derived from the rods. The layer of Beta-Wolfram structure compound may be formed in less than 2 hours of diffusion heat treatment in a thickness of 0.5-2 microns.

REFERENCES:
patent: 3541680 (1970-11-01), Vertijp
patent: 3623221 (1971-11-01), Morton et al.
patent: 3625662 (1971-12-01), Roberts et al.
patent: 3807041 (1974-04-01), McDougall

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