Investigation of multifilamentary Nb3Sn strand for ITER by internal Sn process

P. X. Zhang, L. Zhou, X. D. Tang, C. G. Li, Y. Wu, K. Li, G. Yan, M. Yang, Y. Feng, X. H. Liu, P. D. Weng, Y. F. Lu

科研成果: 期刊稿件文章同行评审

15 引用 (Scopus)

摘要

By internal Sn process we have successfully fabricated the multifilamentary Nb3Sn strand with a diameter of 0.79 mm, which has 5616-6270 filaments. A two-step heat treatment was used for the Nb3Sn strands. The first step is related to bronzing process between Cu and Sn at a temperature range of 200-600 °C, whereas the second step for the formation of superconducting Nb3Sn phase at 600-800 °C. A non-Cu Jc (12 T, 4.2 K) value of 1087 A/mm2 has been obtained. The microstructure and transport property of strands have been discussed.

源语言英语
页(从-至)819-822
页数4
期刊Physica C: Superconductivity and its Applications
445-448
1-2
DOI
出版状态已出版 - 1 10月 2006
已对外发布

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