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Characterization of \hbox {Nb}_{3}\hbox {Sn} Strands for a 40-T Hybrid Magnetic Model Coil

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10 Author(s)
Yunfei Tan ; High Magn. Field Lab., Chinese Acad. of Sci., Hefei, China ; Wenge Chen ; Zhiyou Chen ; Peng He
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A 40-T hybrid magnet under construction at the High Magnetic Field Laboratory of the Chinese Academy of Sciences will use cable-in-conduit conductors for its superconducting outsert. The design necessitates the use of high current density (Jc) Nb3Sn strands (Jc ≥ 2100 A/mm2 at 12 T/4.2 K). The high Jc restacked-rod-processed Nb3Sn strand from Oxford Instruments Superconductor Technology was selected as one of the candidate strands. A series of tests was carried out to qualify the strand performance. Tests mainly included magnetization and critical current measurements as a function of axial strain, magnetic fields, and temperature. The test results are presented and discussed.

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Applied Superconductivity, IEEE Transactions on  (Volume:21 ,  Issue: 4 )