Fabrication and properties of Bi2Sr2CaCu2Oy multilayer superconducting tapes and coils

被引：27

作者：

Hasegawa, T ^{[1
]}

Hikichi, Y ^{[1
]}

Koizumi, T ^{[1
]}

Imai, A ^{[1
]}

Kumakura, H ^{[1
]}

Kitaguchi, H ^{[1
]}

Togano, K ^{[1
]}

机构：

[1] NATL RES INST MET,TSUKUBA,IBARAKI 330,JAPAN

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期

关键词：

D O I：

10.1109/77.620907

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：

A flexible 100m-class Bi-2212 multilayer superconducting tape was fabricated by the continuous heat treatment technique using a Ag-0.2at% Mg sheath. The sheath material did not change the Jc value of the multilayer superconducting tape and doubled the tensile stress tolerance compared with pure Ag sheathed Bi-2212 tape. The J(c) value of the Ag-0.2at%Mg alloy sheathed tape was above 10(5)A/cm(2) at 4.2K, 21T and 1.3x10(5)A/cm(2) at 20K,0T. A stacked pancake coil fabricated by the ''react & wind'' technique carried 120A at 10K and 90A at 20K. The coil could be operated for 24hours under 18K with operating current of 75A.

引用

页码：1703 / 1706

页数：4

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