✦ LIBER ✦

Magnetic field dependence of critical current density in Bi - Pb - Sr - Ca - Cu - O silver sheathed wire

✍ Scribed by Takeshi Hikata; Munetsugu Ueyama; Hidehito Mukai; Ken-ichi Sato

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 801 KB
Volume: 30
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(90)90152-3

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✦ Synopsis

BiPbSrCaCuO silver sheathed high T c superconducting wires were fabricated through the solid reaction process. It is proposed in this paper that the magnetic field dependence of Jc of the wire is dominated by the Lorentz force perpendicular to the c-axis, caused by a transport current with c-axis component crossing grain boundaries, when a magnetic field is applied parallel to the plane of the wire. It was found that BiPbSrCaCuO silver sheathed wire had sufficient potential for applications at 4.2 K. The history effect of Jc for high Jc specimens was not observed at 77.

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