doi:10.1016/j.physc.2007.01.058

Critical current properties in multifilamentary Bi-2223 tape produced by the over pressure processing 利用統計を見る

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アイテムタイプ	学術雑誌論文 = Journal Article
言語	英語
キーワード	Bi-2223 tape, Over pressure sintering, Critical current density, Flux creep-flow mode, Irreversibility field
著者	Kiuchi M Takayama S Otabe E. S Matsushita T Fujikami J Hayashi K Sato K
著者別名	小田部荘司
著者所属	Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology HTS R&D Department, Electric Power & Energy Research Laboratories, Sumitomo Electric Industries Ltd. HTS R&D Department, Electric Power & Energy Research Laboratories, Sumitomo Electric Industries Ltd. HTS R&D Department, Electric Power & Energy Research Laboratories, Sumitomo Electric Industries Ltd.
抄録	Investigation is done on the effect of ConTrolled Over Pressure (CT-OP) processes on the critical current properties in multifilamentary Bi-2223 tapes. It is found that the critical current density at low magnetic fields is remarkably improved by the new CT-OP process. This result with those on irreversibility field and n-value are compared with the numerical calculation based on the flux creep and flow model. The analysis reveals that the most probable value is increased, although the statistical distribution width is increased for the flux pinning strength. This result indicates that the critical current density at high magnetic fields is deteriorated by the widened distribution. If such an inhomogeneity can be reduced to the level of previous tapes by improving the CT-OP process, the high field performance is shown to be significantly improved.
雑誌名	Physica. C, Superconductivity and its applications
巻	463-465
ページ	825 - 828
発行年	2007-10-01
出版者	Elsevier
ISSN	0921-4534
DOI	10.1016/j.physc.2007.01.058
権利	Copyright © 2007 Elsevier B.V. All rights reserved.
情報源	https://doi.org/10.1016/j.physc.2007.01.058
版	author
査読の有無	yes
資料タイプ	Journal Article
研究者情報	https://hyokadb02.jimu.kyutech.ac.jp/html/205_ja.html
連携ID	560

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Critical current properties in multifilamentary Bi-2223 tape produced by the over pressure processing 利用統計を見る

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Critical current properties in multifilamentary Bi-2223 tape produced by the over pressure processing 利用統計を見る

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