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Effect of ODS-Cu Composition for Mechanical-Electromagnetic Property of Bronze-Processed {\rm Nb}_{3}{\rm Sn} Superconducting Wire

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6 Author(s)
Gen Nishijima ; High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai, Japan ; Kazuhiro Minegishi ; Kazuo Watanabe ; Katsumi Ohata
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The oxide dispersion strengthened copper (ODS-Cu) was composed to Cu stabilizer in Nb3Sn wires with/without Ta-reinforced filaments to improve the mechanical-electromagnetic property. The wires are 1-mm diameter and heat treated at 650 C for 200 hours. The critical current as a function of the uniaxial tensile strain/stress was explored at 4.2 K, in magnetic fields up to 18 T. The stress/strain sensitivity of the critical current is discussed from a large stress/strain application point of view.

Published in:

IEEE Transactions on Applied Superconductivity  (Volume:20 ,  Issue: 3 )