DEVELOPMENT OF NB3AL MULTIFILAMENTARY SUPERCONDUCTORS

被引:14
作者
AYAI, N [1 ]
YAMADA, Y [1 ]
MIKUMO, A [1 ]
TAKAHASHI, K [1 ]
SATO, K [1 ]
KOIZUMI, N [1 ]
SUGIMOTO, M [1 ]
ANDO, T [1 ]
TAKAHASHI, Y [1 ]
NISHI, M [1 ]
TSUJI, H [1 ]
机构
[1] JAPAN ATOM ENERGY RES INST,TOKAI,IBARAKI,JAPAN
关键词
D O I
10.1109/77.402692
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
Nb3Al/Cu multifilamentary strands fabricated by the Jelly-roll process, and cable-in-conduit conductors have been developed for fusion magnets. The recent strand has achieved a high critical current density of 800 A/mm(2) (12T, 4.2K) with a feasible heat treatment condition for coils or conductors. The improved strands have were also confirmed to good bending and tensile strain tolerance. A cable-in-conduit Nb3Al superconductor with 1152 strands was also developed. It has a titanium conduit an center tube, conforming to the current design for ITER magnets.
引用
收藏
页码:893 / 896
页数:4
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