Process for producing an elongated superconductor

Details Process for producing an elongated superconductor Process for producing an elongated superconductor

1992-04-29

1993-09-14

Gorski, Joseph M.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

29599, 505705, H01L 3924

Patent

active

052448746

ABSTRACT:
Improvement in a method for producing a superconducting wire of compound oxide such as YBa.sub.2 Cu.sub.3 O.sub.7-.delta. by the steps comprising filling a metal pipe with a material powder, carrying out plastic deformation of the metal pipe and then subjecting the material powder in deformed metal pipe to sintering operation. The present invention is characterized in that the heat-treatment is carried out in the coexist of silver oxide: Ag.sub.2 O placed inside the metal pipe.

REFERENCES:
patent: 4892861 (1990-01-01), Ray
patent: 4952554 (1990-08-01), Jin et al.
"High Tc Superconductors-Composite Wire Fabrication", Jin et al., Applied Physics Letters, Jul. 20, 1987.
Yamada, Y., et al., "Critical Current Density of Wire Type Y-Ba-Cu Oxide Superconductor" Japanese Journal of Applied Physics, vol. 26, No. 5, May 1987.

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