High-Performance Bi-2212 Round Wires Made With Recent Powders

Jianyi Jiang,Griffin Bradford,S. Imam Hossain,Michael D. Brown,Jonathan Cooper,Evan Miller,Yibing Huang,Hanping Miao,Jeff A. Parrell,Marvis White,Andrew Hunt,Suvankar Sengupta,Rao Revur,Tengming Shen,Fumitake Kametani,Ulf P. Trociewitz,Eric E. Hellstrom,David C. Larbalestier

IEEE Transactions on Applied Superconductivity（2019）

Cited 63|Views54

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Abstract

Multifilamentary Bi2Sr2CaCu2Ox (Bi-2212) wire made by the powder-in-tube technique is the only high-temperature superconductor made in the round shape preferred by magnet builders. The critical current density (JC) of Bi-2212 round wire was improved significantly by the development of overpressure heat treatment in the past few years. Bi-2212 wire is commercially available in multiple architecture...

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Key words

Wires,Powders,Superconducting magnets,Critical current density (superconductivity),Conductors,Bars,Heat treatment

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