Manufacturing of Nb3Sn Sample Conductor for CFETR Central Solenoid Model Coil

Jing Gang Qin, Yu Wu, Bing Lun Xiang, Chao Dai, Zhe Hua Mao, Huan Jin, Guo Jun Liao, Fang Liu, Tianjun Xue, Zhou Rong Wei, Arnaud Devred, Arend Nijhuis, Chao Zhou

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19 Citations (Scopus)
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China fusion engineering test reactor (CFETR) is a new tokamak device, whose magnet system includes the toroidal field, central solenoid (CS), and poloidal field coils. In order to develop the manufacturing process for the full-size CS coil, the CS model coil (CSMC) project was launched first. The cable-in-conduit conductor used for CFETR CSMC refers to ITER CS conductor with the same short twist pitch cable pattern. They have the similar layout. In order to qualify the manufacturing process and performance of conductor, two short sample conductors with two different jacket materials (316LN and high-Mn steel) were manufactured. The conductors were tested at Swiss Plasma Center successfully. In future, the CSMC will be tested at the Institute of Plasma Physics, CAS (ASIPP). In this paper, the manufacturing processes for conductor are described in detail. The strand damage analysis and conductor performance were also discussed.

Original languageEnglish
Article number4200805
JournalIEEE transactions on applied superconductivity
Issue number4
Publication statusPublished - 1 Jun 2017


  • Nb3Sn sample conductor
  • performance
  • 22/4 OA procedure


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