Fabrication of sintered oxide superconducting wires

Details Fabrication of sintered oxide superconducting wires Fabrication of sintered oxide superconducting wires

1991-12-13

1993-04-13

Beck, Shrive

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505704, 427 62, 29599, 1741251, 419 20, 419 22, H01B 502, H01L 3924

Patent

active

052023087

ABSTRACT:
The present invention relates to a sintered ceramic superconducting wire which is made by placing powders of metal oxides or a mixture of powders of metal oxides and metal carbonates, said oxides and said carbonates each having an oxidation potential higher than or equal to that of copper, in a metallic cylinder formed from a high temperature oxidation-resistant material, and drawing the packed cylinder to a final size and sintering said drawn packed cylinder in air, wherein said cylinder is removed prior or subsequent to the final step of sintering.

REFERENCES:
patent: 4906609 (1990-03-01), Yamauchi et al.
patent: 5100865 (1992-03-01), Yamamoto et al.
Yamada et al, "Critical Current Density of Wire Type Y-Ba-Cu Oxide Superconductor," Jpn. J. Appl. Phys. 26(5) May 1987 L865-866.
Kohno et al, "Critical Temperature and Critical Current density of La-Sr-Cu Oxide Wires," Jpn. J. Appl. Phys. 26(5) May 1987 L759-760.

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