Transport properties of Bi-2212/Ag multifilamentary composite tape in high magnetic fields

被引:14
作者
Okada, M [1 ]
Tanaka, K [1 ]
Fukushima, K [1 ]
Sato, J [1 ]
Higashiyama, K [1 ]
机构
[1] HITACHI CABLE LTD,ADV RES CTR,TSUCHIURA,IBARAKI 300,JAPAN
来源
PHYSICA B | 1996年 / 216卷 / 3-4期
关键词
D O I
10.1016/0921-4526(95)00484-X
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Silver sheathed Bi-2212 multifilamentary tapes with 19-55 cores were successfully developed through the continuous pressing followed by a partial melting process. The multifilamentary tapes showed J(c)'s of 1800 A/mm(2) (B parallel to tape face) and 1100 A/mm(2) (B perpendicular to tape) at 4.2 K and 23 T, showing a practical range of current carrying capacities. The maximum J(c), 4900 A/mm(2) (I-c = 550 A), was observed for a 55-filament tape at 4.2 K and 0 T. A single pancake coil using 3.5 m long tape generated a maximum magnetic field of 1.9 T, showing a possibility for realizing over ST-class coils.
引用
收藏
页码:248 / 251
页数:4
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