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  1. 学術雑誌論文

Progress in Reducing AC Losses of Bi2223 Tapes with Interfilamentary Resistive Barriers

https://repo.lib.tut.ac.jp/records/1557
https://repo.lib.tut.ac.jp/records/1557
16cf3dde-8caf-4ada-a6c2-dde02b7c3127
名前 / ファイル ライセンス アクション
IEEE I10518223-0021-2779 (867.3 kB)
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-10-29
タイトル
タイトル Progress in Reducing AC Losses of Bi2223 Tapes with Interfilamentary Resistive Barriers
言語 en
言語
言語 eng
資源タイプ
資源タイプ journal article
著者 稲田, 亮史

× 稲田, 亮史

ja 稲田, 亮史

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奥村, 康裕

× 奥村, 康裕

ja 奥村, 康裕

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太田, 昭男

× 太田, 昭男

ja 太田, 昭男

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李, 成山

× 李, 成山

ja 李, 成山

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張, 平祥

× 張, 平祥

ja 張, 平祥

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Inada, Ryoji

× Inada, Ryoji

en Inada, Ryoji

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Okumura, Yasuhiro

× Okumura, Yasuhiro

en Okumura, Yasuhiro

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Oota, Akio

× Oota, Akio

en Oota, Akio

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Li, Chengshan

× Li, Chengshan

en Li, Chengshan

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Zhang, Pingxiang

× Zhang, Pingxiang

en Zhang, Pingxiang

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抄録
内容記述タイプ Abstract
内容記述 This paper presents our recent progress for the
development of low-AC loss Bi2223 tapes with interfilamentary
oxide barriers. For the compatibility with Bi2223 phase formation
during sintering, SrZrO3 was selected as barrier materials.
Moreover, small amount of Bi2212 was mixed with SrZrO3 to
improve its ductility for cold working. Although some breakages
of barrier layers still existed, the effective transverse resistivity
was approximately 10 times higher than a tape with pure Ag
matrix. By controlling barrier thickness, reducing a tape width
below 3 mm and twisting the filaments with its length below 5 mm,
coupling frequency fc attained to 260 Hz in an AC perpendicular
transverse field. Critical current densities Jc of our twisted barrier
tapes were ranged in 12−15 kA/cm2 at 77 K and self-field, which
was 25−30 % lower than non-twisted one (= 18 kA/cm2). In our
knowledge, this is the first report to achieve both Jc > 12 kA/cm2
and fc > 250 Hz simultaneously in a single Bi2223 tapes. Our
barrier tapes showed 60-70% lower perpendicular field losses
than a conventional 4 mm-width tape with fully coupled filaments
at 50 mT and 50 Hz. These results are promising for remarkable
improvement in AC performance for Bi2223 tapes in future.
bibliographic_information IEEE Transactions on Applied Superconductivity

巻 21, 号 3, p. 2779-2782, 発行日 2011-06
出版者
出版者 IEEE
item_10001_source_id_9
収録物識別子タイプ PISSN
収録物識別子 1051-8223
item_10001_relation_14
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 10.1109/TASC.2010.2078433
権利
権利情報 This is the author's version of the work. Copyright (C) 2011 IEEE. IEEE Transactions on Applied Superconductivity, vol.21, no.3, Pages 2779-2782. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
関連サイト
識別子タイプ URI
関連識別子 http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5617306
関連名称 IEEExplore
出版タイプ
出版タイプ AM
キーワード
主題 Bi2223 tapes
キーワード
主題 interfilamentary barriers
キーワード
主題 AC loss
キーワード
主題 filament twisting
キーワード
主題 coupling frequency
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