MAGNETIC-FIELD DEPENDENCE OF CRITICAL CURRENT-DENSITY IN BI-PB-SR-CA-CU-O SILVER SHEATHED WIRE

被引：68

作者：

HIKATA, T

UEYAMA, M

MUKAI, H

SATO, K

机构：

[1] Osaka Research Laboratories, Sumitomo Electric Industries Ltd, Konohana-Ku, Osaka, 554

来源：

CRYOGENICS | 1990年 / 30卷 / 11期

关键词：

critical current densities; grain boundary; superconductors;

D O I：

10.1016/0011-2275(90)90152-3

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

BiPbSrCaCuO silver sheathed high Tc 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 77.3 K and appeared again at 4.2 K. © 1990.

引用

页码：924 / 929

页数：6

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