Effects of cracks on critical current density in Ag-sheathed superconductor tape

被引：41

作者：

Fang, Y ^{[1
]}

Danyluk, S ^{[1
]}

Lanagan, MT ^{[1
]}

机构：

[1] ARGONNE NATL LAB,DIV ENERGY TECHNOL,ARGONNE,IL 60439

来源：

CRYOGENICS | 1996年 / 36卷 / 11期

关键词：

high-T-c superconductors; crack effect; critical current density;

D O I：

10.1016/S0011-2275(96)00069-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The effect of partial cracking on critical current density (J(c)) has been modelled for Ag-sheathed superconductor tapes. Effects of crack length and density on current-voltage characteristics and J(c) were evaluated for monofilament and multifilament tapes. The results show that a single long crack is more harmful than numerous small cracks. Multiple small partial cracks (less than 20% of core dimension) can be present in the Bi2Sr2Can-1CunO2n+4 (BSCCO) before J(c) degradation is observed. In general, a multifilament tape can withstand cracks better than a monofilament tape. (C) 1996 Elsevier Science Limited

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页码：957 / 962

页数：6

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