Transport properties of Bi-2212/Ag multifilamentary tape under a large electromagnetic stress state

被引：4

作者：

Wakuda, T ^{[1
]}

Okada, M

Awaji, S

Watanabe, K

机构：

[1] Hitachi Ltd, Hitachi Res Lab, Ibaraki, Osaka, Japan

[2] Tohoku Univ, Sendai, Miyagi 980, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期

关键词：

D O I：

10.1109/77.783455

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：

Transport and mechanical properties of two Bi2212 superconducting coils under a large hoop stress were measured. The coils were 11-turn R&W type double pancake coils with an outer diameter of 280mm reinforced against electromagnetic stress by co-winding with an Ag-50%Cu or a Hastelloy X tape. They were measured in an external magnetic flux density of 10T and liquid Helium(4.2K). Critical current of the coil with the Ag-50%Cu reinforcement tape was 240A and its transport property was severely degraded by more than 0.4% deformation at I= 388A. The coil with the Hastelloy X tape with a critical current of 350A, showed good performance against an electromagnetic stress of 262MPa at I=500A and could repress deformation of the coil to within 0.22%.

引用

页码：952 / 955

页数：4