"Method for preparing hollow oxide superconductors"

Details "Method for preparing hollow oxide superconductors" "Method for preparing hollow oxide superconductors"

1994-09-28

1996-12-10

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

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

505434, 505450, 505452, 505704, 505733, 505739, 427 62, H01L 3924

Patent

active

055830943

ABSTRACT:
A tubular metal pipe and a solidified melt of a precursor of oxide superconducting material which is placed in contact with the metal pipe are subjected to heat treatment in an oxidizing atmosphere and at a temperature above the partial fusion temperature of the solidified melt to oxidize the metal pipe from its inside and outside and, as the oxidation proceeds, a melt of the solidified melt is effused through the tubular metal oxide layer to form a superconducting layer on its surface. This makes it possible to easily obtain a hollow oxide superconductor wherein a superconducting material layer is formed outside the metal oxide layer.

REFERENCES:
patent: 5266557 (1993-11-01), Abe et al.
Abe et al, J. Mater. Res., 8(1) 1993 pp. 1-4.

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