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Mass production of Nb-Ti conductors for EF coil and feeder of JT-60SA
https://repo.qst.go.jp/records/48137
https://repo.qst.go.jp/records/48137d46bb94e-adce-451f-a091-7f3369094a8c
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-07-20 | |||||
| タイトル | ||||||
| タイトル | Mass production of Nb-Ti conductors for EF coil and feeder of JT-60SA | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
木津, 要
× 木津, 要× 土屋, 勝彦× 村上, 陽之× 柏, 好敏× 夏目, 恭平× 小出, 芳彦× 吉田, 清× 木津 要× 土屋 勝彦× 村上 陽之× 柏 好敏× 夏目 恭平× 小出 芳彦× 吉田 清 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Nb–Ti conductors will be used for equilibrium field (EF) coils and the feeder of JT-60 Super Advanced (JT-60SA). The conductors were fabricated by pull through and compaction method. Round jackets were butt welded to a long length jacket. Then, the cable was pulled into the jacket. Finally, the conductor was formed into a square shape. Sixty-four conductors were produced. Dimensional measurements at both ends of 2183 jackets showed that the inner diameters of each production series were within ±0.1 mm. There were 2175 welding joints in total. Cut and rewelding, according to the failure detected by inspections, occurred 30 times. The maximum pulling forces through a jacket was 8.3 kN. The range of coefficients of friction for pulling was from 0.50 to 0.86. The outer dimension just after compaction satisfied the specification of ±0.2 mm in tolerance. The height of the conductor was increased by 0.19 mm in average by bending of 1.5 m in curvature radius. This modification did not affect the coil manufacturing. The minimum mass flow rate among the same EF coil’s conductors was 93.5% of the average value. It was decided that orifices to uniform helium parallel flows inside coil are not used for coil manufacturing. |
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| 書誌情報 |
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 巻 26, 号 4, p. 6001004, 発行日 2017-06 |
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| 出版者 | ||||||
| 出版者 | IEEE | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1051-8223 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1109/TASC.2016.2537142 | |||||
