Sintered oxide superconducting wires

Details Sintered oxide superconducting wires Sintered oxide superconducting wires

1991-12-13

1993-03-02

Beck, Shrive

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505704, 427 62, 1741251, 29599, H01B 1200

Patent

active

051909120

ABSTRACT:
The present invention relates to a ceramics sintered wire.
Ceramics materials, such as AlN, Si.sub.3 N.sub.4 and Al.sub.2 O.sub.3, have various kinds of superior characteristic including the heat-resistance and sintered ceramics materials have been watched with interest as superconducting materials having high critical temperatures.
However, various kinds of disadvantage have been pointed out for the formation of the sintered ceramics materials in the form of thin wire and the practical use thereof.
The present invention eliminates such disadvantages to provide a thin and long ceramics sintered wire having a sufficient strength and toughness to an extent of avoiding the breakage.

REFERENCES:
patent: 5100865 (1992-03-01), Yamamoto et al.
Kohno et al., "High Critical Current Density of Y-Ba-Cu Oxide Wire Without a Metal Sheath," Jpn. J. Appl. Phys. 27(1) Jan. 1988, pp. L77-L79.
Yamada et al., "Critical current density of wire type Y-Ba-Cu oxide superconductor", Jpn. J. Appl. Phys., 26(5) May 1987 pp. L865-L866.

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