(Nb,Ti)3Sn superconducting wire with CuNb reinforcing stabilizer

Hisaki Sakamoto, Sakaru Endoh, Yoshinori Nagasu, Katsunori Wada, Akio Kimura, Shin Ichiro Meguro, Satoshi Awaji, Kazuo Watanabe, Mitsuhiro Motokawa

Research output: Contribution to journalConference articlepeer-review

26 Citations (Scopus)


An in-situ CuNb composite shows a high strength and a high electrical conductivity. Therefore, it is a suitable material for the reinforcement of Nb3Sn superconducting wire. Many studies about mechanical and electrical properties of Nb3Sn wire with CuNb reinforcing stabilizer have been carried out, but a fabricability of the long-length wire was not confirmed. In this study, 1 mm-diameter (Nb,Ti)3Sn superconducting wire with Cu-20 wt%Nb reinforcing stabilizer was fabricated 22 km in length. The wire showed a good fabricability throughout the production. Mechanical properties and critical currents are evaluated in comparison with un-reinforced one.

Original languageEnglish
Pages (from-to)1067-1070
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number1
Publication statusPublished - 2002 Mar
Event17th Annual Conference on Magnet Technology - Geneva, Switzerland
Duration: 2001 Sept 242001 Sept 28


  • Cu-Nb
  • High strength
  • In situ
  • Nb3Sn
  • Reinforcement
  • Stabilizer


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