材料科学
超导电性
质量(理念)
可扩展性
高温超导
超导磁储能
凝聚态物理
超导磁体
计算机科学
物理
数据库
量子力学
作者
A. Malagoli,Andrea Traverso,Cristina Bernini,Federico Loria,Alessandro Leveratto,E. Bellingeri,Matteo Bordonaro,Matteo Cialone,H. Hassan,V. Braccini,A. Ballarino
标识
DOI:10.1109/tasc.2025.3530897
摘要
Iron-based superconducting (IBS) wires fabricated through the powder-in-tube (PIT) method are prospective candidate materials for high magnetic field applications. In order to meet the requirements of such applications, it is important to obtain practical conductors with high transport critical currents at a competitive cost. Among the several IBS families, the (Ba,K)Fe2As2 (Ba-122) phase has the best potential to become a cost-effective high-field superconductor. However, two aspects of the fabrication procedure present issues which still hinder the development towards the affirmation of such superconductor in the industrial applications field: on one side the powder purity, especially when developing a route for the fabrication of large amounts, and on the other side the application of techniques scalable to obtain long length conductors with the same transport properties of the short samples. We here focus on an innovative and scalable fabrication process we have developed to fabricate pure Ba1-xKxFe2As2 powders in batches up to the order of 25 g, a quantity which allows us to fabricate at least 20 meters of monfilamentary conductor.
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