High production rate of crystallization process in TFA-MOD method for YBCO coated conductors

Ryo Teranishi, Sukeharu Nomoto, Junko Matsuda, Yuji Aoki, Koichi Nakaoka, Hiroshi Fuji, Yutaka Kitoh, Teruo Izumi, Yuh Shiohara, Yutaka Yamada, Akimasa Yajima

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

To realize a higher production rate is one of the important issues in the development of the long-tape processing for the YBCO coated conductors by the TFA-MOD process using the reel-to-reel system. Not only scale-up of the furnace and decrease of YBCO thickness with the higher Jc value, but higher YBCO growth rates could be effective to achieve a higher traveling rate in this system. It was confirmed that optimization of the process parameters such as high water vapor partial pressure, high diffusion constants due to a low applied total pressure, and a high gas flow rate affect the YBCO growth rate. Consequently, these higher growth rate conditions were simultaneously applied to the reel-to-reel system. As a result, the traveling rate of 1.2 m/h was achieved for fabricating YBCO films in the reel-to-reel system, which is about five times as fast as the previous traveling rate with maintaining high Ic value of higher than 200 A/cm-width by controlling above conditions.

本文言語英語
ページ(範囲)553-557
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
445-448
1-2
DOI
出版ステータス出版済み - 10 1 2006
外部発表はい

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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