Synthesis of highly phase pure BSCCO superconductors

Details Synthesis of highly phase pure BSCCO superconductors Synthesis of highly phase pure BSCCO superconductors

1994-09-13

1995-11-21

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428551, 505121, 505823, B22F 700, H01B 1204

Patent

active

054685664

ABSTRACT:
An article and method of manufacture of (Bi, Pb)-Sr-Ca-Cu-O superconductor. The superconductor is manufactured by preparing a first powdered mixture of bismuth oxide, lead oxide, strontium carbonate, calcium carbonate and copper oxide. A second powdered mixture is then prepared of strontium carbonate, calcium carbonate and copper oxide. The mixtures are calcined separately with the two mixtures then combined. The resulting combined mixture is then subjected to a powder in tube deformation and thermal processing to produce a substantially phase pure (Bi, Pb)-Sr-Ca-Cu-O superconductor.

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patent: 5246917 (1993-09-01), Hikata et al.
patent: 5324712 (1994-06-01), Su
patent: 5356871 (1994-10-01), Bobo et al.
"An Alternate preparation for (Bi,Pb).sub.2 Ca.sub.2 Sr.sub.2 Cu.sub.3 O.sub.x ", R. H. Arendt et al, Physica C176 (1991) 126-130.
"The fabrication of high critical current capability bismuth superconductor tape", R. H. Arendt et al., Physica C194, 383 (1992).

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