RE-Ba-Cu-O for high functional superconducting permanent magnet

被引：12

作者：

Yoo, SI ^{[1
]}

Higuchi, T

Sakai, N

Fujimoto, H

Murakami, M

机构：

[1] Railway Tech Res Inst, Kokubunji, Tokyo 105, Japan

[2] ITEC, Supercond Res Lab, Minato Ku, Kokubunji, Tokyo 185, Japan

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1998年 / 53卷 / 1-2期

关键词：

superconducting permanent magnets; melt-textured RE-Ba-Cu-O superconductors; magnetically-levitated (MAGLEV) train; LRE1+xBa2-xCu3Oy solid solution;

D O I：

10.1016/S0921-5107(97)00328-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Among various potential applications of melt-textured RE-Ba-Cu-O (REBCO, RE: rare earth elements) superconductors, we have examined the bulk application as the superconducting permanent magnet, especially for the magnetically-levitated (MAGLEV) train. Compared with Y-Ba-Cu-O (YBCO), oxygen-controlled melt-growth (OCMG)-processed LREBCO (LRE: light rare earth elements) bulk superconductors are more promising for this application because of larger critical current density (J(c)) values in high field and higher irreversibility field (B-irr) within the range of the liquid nitrogen refrigeration (63-77 K), implying that even higher trapped fields (B-t) are achievable in principle. In this paper, material requirements of superconducting bulks for the MAGLEV train are first presented and then processing aspects for the fabrication of good LREBCO bulks are described. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：203 / 210

页数：8

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