Angular Dependence of Critical Current and Grain Alignment in Bi-2223 Superconducting Joint

被引：2

作者：

Takeda, Yasuaki ^{[1
]}

Nishijima, Gen ^{[1
]}

Nakai, Ukyo ^{[2
]}

Motoki, Takanori ^{[2
]}

Shimoyama, Jun-ichi ^{[2
]}

Kitaguchi, Hitoshi ^{[1
]}

机构：

[1] Natl Inst Mat Sci NIMS, Tsukuba, Ibaraki 3050003, Japan

[2] Aoyama Gakuin Univ, Sagamihara, Kanagawa 2300045, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2024年 / 34卷 / 05期

关键词：

Bi-2223; tape; critical current; HTS magnets; microscopy; SILVER-SHEATHED TAPES; LIMITS; MODEL;

D O I：

10.1109/TASC.2023.3338587

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：

We clarify the relationship between the angular dependence of critical current in a Bi-2223 superconducting joint and the grain alignment of an intermediate layer in the joint. The angular dependence of critical current for the superconducting joint is discussed using a model to describe that for a Bi-2223 tape. Considering an angle of the c-axis grain misalignment, the angular dependence is calculated. The misalignment angle is validated from the microstructure observations of the intermediate layer. We can conclude that the c-axis grain alignment in the intermediate layer dominates the angular dependence of critical current in the superconducting joint.

引用

页码：1 / 5

页数：5

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