Cryocooled superconducting magnets for high magnetic fields at the HFLSM and future collaboration with the TML

被引:0
作者
Watanabe, K. [1 ]
Nishijima, G. [1 ]
Awaji, S. [1 ]
Koyama, K. [1 ]
Takahashi, K. [1 ]
Kobayashi, N. [1 ]
Kiyoshi, T. [2 ]
机构
[1] Tohoku Univ, Inst Mat Res, High Field Lab Supercond Mat, Sendai, Miyagi 9808577, Japan
[2] Natl Inst Mat Sci, Tsukuba Magnet Lab, Tsukuba, Ibaraki, Japan
来源
YAMADA CONFERENCE LX ON RESEARCH IN HIGH MAGNETIC FIELDS | 2006年 / 51卷
关键词
D O I
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中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A hybrid magnet needs a large amount of liquid helium for operation. In order to make an easy-to-operate hybrid magnet system, we constructed a cryocooled 28 T hybrid magnet, consisting of an outer cryocooled 10 T superconducting magnet and an inner traditional water-cooled 19 T resistive magnet. As a performance test, the cryocooled hybrid magnet generated 27.5 T in a 32 mm room temperature experimental bore. As long as Nb3Sn superconducting wires are employed, the expected maximum high field generation in the cryocooled superconducting magnet will be 17 T at 5 K. We adopted the high temperature superconducting insert coil, employing Ag-sheathed Bi2Sr2Ca2Cu3O10 superconducting tape. In combination with the low temperature 16.5 T back-up coil with a 174 mm cold bore, the cryocooled high temperature superconducting magnet successfully generated the total central field of 18.1 T in a 52 mm room temperature bore. As a next step, we start the collaboration with the National Institute for Materials Science for the new developmental works of a 30 T high temperature superconducting magnet and a 50 T-class hybrid magnet.
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页码:631 / +
页数:2
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