The first CICC-type Bi-2212 insert coil for high-field applications up to 20 T

Abstract As the need for high-magnetic field magnets, this article made the first cable-in-conduit conductor (CICC) -type Bi-2212 insert coil. The Bi-2212 conductor consists of 24 wires, an Ag tube, and a 316 LN jacket. With the optimized heat-treatment regime, the insert coil exhibited excellent current-carrying capacity under magnetic fields up to 20 T: the I c of the coil was up to 5.4 kA under 20 T backfield. With the ‘Pre-OP before cabling’ process, the void fraction was precisely controlled. Besides, the insert coil exhibits excellent stability with the electromagnetic loads and quenching process: no obvious change in performance was detected even when the electromagnetic loads increased to 101 kN m −1 ; after the quench event where the voltage on the insert coil was up to ∼4000 times criterion, no degradation was detected. The excellent performance of the Bi-2212 insert coil gives a solid foundation for the development of full-size Bi-2212 CICC for high-field applications.

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Publication Details

Journal
Superconductor Science and Technology
Published
2024-10-24
DOI
https://doi.org/10.1088/1361-6668/ad8af5
Citations
4
Primary Topic
Superconducting Materials and Applications
Type
article
Field-Weighted Citation Impact
0.74
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article

The first CICC-type Bi-2212 insert coil for high-field applications up to 20 T

Zhenchuang Zhang, huajin zhu, Meng‐Liang Zhou, Hai-Shan Zhou et al.
4 citations
Superconductor Science and Technology
Superconducting Materials and Applications
0.74
article

The first CICC-type Bi-2212 insert coil for high-field applications up to 20 T

Zhenchuang Zhang, huajin zhu, Meng‐Liang Zhou, Hai-Shan Zhou, Qingbin Hao, Chao Zhou, Jiangang Li, Huan Jin, Jianfeng Li, Fang Liu, Dongsheng Yang, Min Yu, Zhenhua Chi, Chengshan Li, Zhen Fang, Jinggang Qin, Wenge Chen
article en
4 citations

Abstract

Abstract As the need for high-magnetic field magnets, this article made the first cable-in-conduit conductor (CICC) -type Bi-2212 insert coil. The Bi-2212 conductor consists of 24 wires, an Ag tube, and a 316 LN jacket. With the optimized heat-treatment regime, the insert coil exhibited excellent current-carrying capacity under magnetic fields up to 20 T: the I c of the coil was up to 5.4 kA under 20 T backfield. With the ‘Pre-OP before cabling’ process, the void fraction was precisely controlled. Besides, the insert coil exhibits excellent stability with the electromagnetic loads and quenching process: no obvious change in performance was detected even when the electromagnetic loads increased to 101 kN m −1 ; after the quench event where the voltage on the insert coil was up to ∼4000 times criterion, no degradation was detected. The excellent performance of the Bi-2212 insert coil gives a solid foundation for the development of full-size Bi-2212 CICC for high-field applications.

Superconductor Science and TechnologyVol. 37(12)
University of Science and Technology of China (CN), Anhui University of Science and Technology (CN), Hefei Institutes of Physical Science (CN), Hefei University (CN), Northwest Institute For Non-Ferrous Metal Research (CN), Institute of Plasma Physics (CN)
Openalex Percentile: Top 32%
Superconducting Materials and Applications
0.74
DOISourceOpenAlex
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