Strain and fatigue tests of Bi-2223/Ag superconducting tapes

被引：6
|
作者：
Kitaguchi, H [1 ]
Itoh, K [1 ]
Kumakura, H [1 ]
Takeuchi, T [1 ]
Togano, K [1 ]
Wada, H [1 ]
机构：
[1] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2001年 / 357卷 / SUPPL. 1期
关键词：
strain effect; fatigue; Bi-2223/Ag tape;
D O I：
10.1016/S0921-4534(01)00480-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The influence of mechanical strain on I-c is investigated for Bi-2223/pure-Ag superconducting tapes at 77 K. Taking into account of the pre-strain due to thermal contraction, all the results for normalized I-c vs. strain relation fall on a master curve. Normalized I-c values exceed 0.98 in the strain range from -0.2% to 0.2%. The strain test machine can be applicable also for fatigue tests. Application of cyclic strain (0% --> x% --> 0%) is repeated. Strain cycles with maximum strain ranging from -0.18% to 0.25% cause no significant degradation. The results support the feasibility of HTS conductors for practical applications, (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1193 / 1196
页数：4
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