11 T liquid helium-free superconducting magnet

被引：53

作者：

Watanabe, K ^{[1
]}

Awaji, S ^{[1
]}

Sakuraba, J ^{[1
]}

Watazawa, K ^{[1
]}

Hasebe, T ^{[1
]}

Jikihara, K ^{[1
]}

Yamada, Y ^{[1
]}

Ishihara, M ^{[1
]}

机构：

[1] SUMITOMO HEAVY IND LTD, CTR RES & DEV, HIRATSUKA, KANAGAWA 254, JAPAN

来源：

CRYOGENICS | 1996年 / 36卷 / 12期

关键词：

high temperature superconducting current lead; GM-cryocooler; superconducting magnet; high field;

D O I：

10.1016/S0011-2275(96)00091-4

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

An 11 T liquid helium-free superconducting magnet designed at 6 K in vacuum using high temperature superconducting current leads was developed. The NbTi/Nb3Sn coil was conductively cooled down from room temperature to 4.1 K in 40 h by two 4 K GM-cryocoolers. In a performance test, the coil temperature rose to 6.8 K for the inner Nb3Sn coil and 5.9 K for the outer NbTi coil, while sweeping the field at 5 A min(-1). A central field of 10.7 T in a 52 mm room temperature bore was generated at an operating current of 149 A. Holding the field at 10.5 T was achieved continuously for 24 h at a constant coil temperature of 4.8 K. (C) 1996 Elsevier Science Limited

引用

页码：1019 / 1025

页数：7