Development of Nb3Sn Superconducting Wires for High-field Magnets

Development of Nb3Sn Superconducting Wires for High-field Magnets

Research and development activities and some recent results related to Nb3Sn superconducting wires produced by Kobe Steel, Ltd. and Japan Superconductor Technology Inc. (JASTEC) are introduced. An outline of the activities is described from a historical point of view. Improvements in the characteris...

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Veröffentlicht in:TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 2004, Vol.39(9), pp.415-421
Hauptverfasser: MIYAZAKI, Takayoshi, MIYATAKE, Takayuki, KATO, Hiroyuki, ZAITSU, Kyoji, HAMADA, Mamoru, MURAKAMI, Yukinobu, HASE, Takashi
Format: Artikel
Sprache:eng
Schlagworte:
bronze process
critical current density
n-value
Nb3Sn superconductor
TS-PIT process
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Beschreibung
Zusammenfassung:Research and development activities and some recent results related to Nb3Sn superconducting wires produced by Kobe Steel, Ltd. and Japan Superconductor Technology Inc. (JASTEC) are introduced. An outline of the activities is described from a historical point of view. Improvements in the characteristics (i.e., critical current density (Jc), n-value and mechanical properties) of bronze-processed Nb3Sn wires are reviewed. Finally, the status of development for the Ta-Sn powder-in-tube (TS-PIT) process newly proposed by Tachikawa is described.
ISSN:0389-2441
1880-0408
DOI:10.2221/jcsj.39.415