Investigation of the energizing characteristics of a metal-insulation iron-based superconducting coil

IF 1.3 3区物理与天体物理 Q4 PHYSICS, APPLIED Physica C-superconductivity and Its Applications Pub Date : 2024-10-29 DOI:10.1016/j.physc.2024.1354603

Hangwei Ding , Lei Yu , Jianyuan Xu , Pengcheng Huang , Zhiyou Chen , Dongliang Wang , Xianping Zhang , Wenge Chen , Yanwei Ma

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Abstract

With the progress of iron-based superconducting wire and tape fabrication technologies, extensive research has been conducted on iron-based superconducting coils. A deep understanding of the energizing characteristics of these coils is crucial for their large-scale application. This study investigates two metal-insulated double pancake coils, each having a different number of turns and co-wound with Ba_0.6K_0.4Fe₂As₂ iron-based superconducting tape and stainless-steel tape. We conducted critical current tests, sudden-discharge experiments, and charge-discharge cycles at 4.2 K to obtain the time constants and characteristic resistances of the coils. Additionally, the impact of stainless-steel as co-wound material on coil performance was analyzed. Theoretical models were employed to calculate the charging processes and validate them against experimental results. This research offers valuable insights for the practical application of iron-based superconducting materials.

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金属绝缘铁基超导线圈的通电特性研究

随着铁基超导线材和磁带制造技术的进步，人们对铁基超导线圈进行了广泛的研究。深入了解这些线圈的通电特性对其大规模应用至关重要。本研究调查了两个金属绝缘双薄饼线圈，每个线圈都有不同的匝数，并使用 Ba0.6K0.4Fe2As2 铁基超导带和不锈钢带共同绕制。我们在 4.2 K 下进行了临界电流测试、突然放电实验和充放电循环，以获得线圈的时间常数和特性阻抗。此外，我们还分析了不锈钢作为共绕材料对线圈性能的影响。研究采用理论模型计算充电过程，并根据实验结果进行验证。这项研究为铁基超导材料的实际应用提供了宝贵的见解。

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来源期刊

Physica C-superconductivity and Its Applications 物理-物理：应用

CiteScore

2.70

自引率

11.80%

发文量

102

审稿时长

66 days

期刊介绍： Physica C (Superconductivity and its Applications) publishes peer-reviewed papers on novel developments in the field of superconductivity. Topics include discovery of new superconducting materials and elucidation of their mechanisms, physics of vortex matter, enhancement of critical properties of superconductors, identification of novel properties and processing methods that improve their performance and promote new routes to applications of superconductivity. The main goal of the journal is to publish: 1. Papers that substantially increase the understanding of the fundamental aspects and mechanisms of superconductivity and vortex matter through theoretical and experimental methods. 2. Papers that report on novel physical properties and processing of materials that substantially enhance their critical performance. 3. Papers that promote new or improved routes to applications of superconductivity and/or superconducting materials, and proof-of-concept novel proto-type superconducting devices. The editors of the journal will select papers that are well written and based on thorough research that provide truly novel insights.