Method of preparing oxide superconducting wire

Details Method of preparing oxide superconducting wire Method of preparing oxide superconducting wire

1992-03-19

1994-11-29

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Process of making wire, tape, cable, coil, or fiber

505433, 505430, 505704, 427 62, 29599, 1741251, 419 42, H01L 3900, H01B 1200

Patent

active

053690885

ABSTRACT:
In order to prevent inflation of a metallic coating during heat treatment so that no ununiformity is caused in the critical current density in a method of preparing an oxide superconducting wire which is obtained by heat treating and sintering metal-coated raw material powder for an oxide superconductor, raw material powder (5) for an oxide superconductor is filled up in a metal billet (1), which in turn is degassed and sealed in the degassed state, elongated with application of hydrostatic extrusion, and then heat treated.

REFERENCES:
patent: 5145835 (1992-09-01), Takeshita et al.
patent: 5206211 (1993-04-01), Meyer
Matsuda et al, "Superconducting Tape-Shaped Wire by Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-.delta. with Jc.apprxeq.2000 A/cm.sup.2," MRS vol. 99, Nov. 1987 pp. 695-698.

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