Fabrication and Characterization of (Ba,Na)Fe2As2 Wires and Tapes

In order to enhance J c in (Ba,Na)Fe 2 As 2 wires and tapes further by improving texturing, we examined the following approaches; (1) Ag-sheathed HIP tapes, (2) AgSn-sheathed cold-pressed tapes, and (3) multifilamentary HIP wires with each filament having tape-like cross section. In addition, we att...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2021-08, Vol.31 (5), p.1-5
Hauptverfasser: Tamegai, Tsuyoshi, Miyawaki, Daisuke, Pyon, Sunseng, Wu, Wenxi, Kajitani, Hideki, Koizumi, Norikiyo, Awaji, Satoshi
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Sprache:eng
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Zusammenfassung:In order to enhance J c in (Ba,Na)Fe 2 As 2 wires and tapes further by improving texturing, we examined the following approaches; (1) Ag-sheathed HIP tapes, (2) AgSn-sheathed cold-pressed tapes, and (3) multifilamentary HIP wires with each filament having tape-like cross section. In addition, we attempted to increase I c by fabricating (Ba,Na)Fe 2 As 2 wires with larger core areas, and constructed a small demo coil using one of these wires with length up to 9 m. J c characteristics of these new wires and the performance of the demo coil with and without an electrical insulation are reported.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2021.3064543