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(Bi,Pb)2Sr2Ca2Cu3O10+δ superconductor composites: Ceramics vs. fibers

✍ Scribed by Y. Huang; G.F. de la Fuente; A. Sotelo; A. Badia; F. Lera; R. Navarro; C. Rillo; R. Ibañez; D. Beltran; F. Sapiña; A. Beltran

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
268 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis

Well characterized (Bi, Pb)2Sr2Ca2Cu3Ol0+l 5 superconductor powder has been used to prepare superconductor-glass, -metal and -alloy composites through solid state reaction method. A recently developed Laser Noating Zone (LFZ) apparatus has been used to transform the ceramic precursors into oriented fibers. The diamagnetic properties have been studied by a.c. susceptibility. The microstmcture of fibers has been studied by SEM and compared with that of the original ceramic precursors. XRD has been used to study phase composition on representative composite samples and fibers. The ~sults indicate some potential for the 2223-Ag composite, which displays improved diamagnetic properties and grain orientation (fiber).

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