Magnetic Shielding Characteristics of Multiple Bulk Superconductors for Higher Field Applications

被引：12
|
作者：
Terao, Yutaka [1 ]
Sekino, Masaki [1 ]
Ohsaki, Hiroyuki [3 ]
Teshima, Hidekazu [2 ]
Morita, Mitsuru [2 ]
机构：
[1] Univ Tokyo, Grad Sch Engn, Tokyo 1138656, Japan
[2] Nippon Steel Corp Ltd, Adv Technol Res Labs, Chiba 2938511, Japan
[3] Univ Tokyo, Grad Sch Frontier Sci, Chiba 2778561, Japan
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2011年 / 21卷 / 03期
关键词：
Bulk superconductor; critical current density; high field applications; magnetic shield; MOTOR;
D O I：
10.1109/TASC.2010.2089668
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
High performance (RE)BaCuO bulk superconductors are now available and can be used as a strong magnet or a good magnetic shield. There are a variety of potential magnetic shielding applications using bulks. Magnetic shielding characteristics and size of bulk superconductors are the key issues to realize these applications. In this paper, magnetic shielding experiments using GdBaCuO bulk superconductors at 77 K are reported. Multiple bulk superconductors are arrayed and stacked in layers to obtain a large magnetic shield. We successfully obtained a uniform magnetic shielding area with properly arranged three layers of tiled bulks at 0.1 T, 77 K. We also discuss the magnetic shielding characteristics for different external magnetic fields strengths.
引用
收藏
页码：1584 / 1587
页数：4
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