Local current flow and dissipation in multi-filamentary YBCO coated conductor under the influence of microstructural inhomogeneity

Zulistiana Zulkifli; Takashi Fujiwara; Tomoya Nakamura; Takanobu Kiss; Keiji Enpuku; Tomonori Watanabe; Naoji Kashima; Masami Mori; Shigeo Nagaya; Akira Ibi; Yutaka Yamada; Yuh Shiohara

Local current flow and dissipation in multi-filamentary YBCO coated conductor under the influence of microstructural inhomogeneity

Zulistiana Zulkifli, Takashi Fujiwara, Tomoya Nakamura, Takanobu Kiss, Keiji Enpuku, Tomonori Watanabe, Naoji Kashima, Masami Mori, Shigeo Nagaya, Akira Ibi, Yutaka Yamada, Yuh Shiohara

超伝導システム工学

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

抄録

Local current flow and dissipation in a three parallel 100μm-wide filamentary YBCO tape had been studied in order to investigate the current carrying capability in each filament under the influence of local obstacles. Structural inhomogeneity and local flux flow dissipation have been visualized by using thermal laser stimulation technique and its local current density was measured by scanning SQUID microscope. By combining local current distribution with dissipation, we made estimations on local the J_c and I _c values in each filament. Results have shown a current imbalance on the current sharing in the filamentary structure. It has been shown that the I_c is possibly influenced significantly if the filament size reaches 100μm scale because of current blocking obstacles.

本文言語	英語
ページ（範囲）	27-31
ページ数	5
ジャーナル	Research Reports on Information Science and Electrical Engineering of Kyushu University
巻	12
号	1
出版ステータス	出版済み - 3月 1 2007

!!!All Science Journal Classification (ASJC) codes

コンピュータサイエンス（全般）
電子工学および電気工学

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引用スタイル

Zulkifli, Z., Fujiwara, T., Nakamura, T., Kiss, T., Enpuku, K., Watanabe, T., Kashima, N., Mori, M., Nagaya, S., Ibi, A., Yamada, Y., & Shiohara, Y. (2007). Local current flow and dissipation in multi-filamentary YBCO coated conductor under the influence of microstructural inhomogeneity. Research Reports on Information Science and Electrical Engineering of Kyushu University, 12(1), 27-31.

Local current flow and dissipation in multi-filamentary YBCO coated conductor under the influence of microstructural inhomogeneity. / Zulkifli, Zulistiana; Fujiwara, Takashi; Nakamura, Tomoya その他.
In: Research Reports on Information Science and Electrical Engineering of Kyushu University, Vol. 12, No. 1, 01.03.2007, p. 27-31.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Zulkifli, Z, Fujiwara, T, Nakamura, T, Kiss, T, Enpuku, K, Watanabe, T, Kashima, N, Mori, M, Nagaya, S, Ibi, A, Yamada, Y & Shiohara, Y 2007, 'Local current flow and dissipation in multi-filamentary YBCO coated conductor under the influence of microstructural inhomogeneity', Research Reports on Information Science and Electrical Engineering of Kyushu University, vol. 12, no. 1, pp. 27-31.

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abstract = "Local current flow and dissipation in a three parallel 100μm-wide filamentary YBCO tape had been studied in order to investigate the current carrying capability in each filament under the influence of local obstacles. Structural inhomogeneity and local flux flow dissipation have been visualized by using thermal laser stimulation technique and its local current density was measured by scanning SQUID microscope. By combining local current distribution with dissipation, we made estimations on local the Jc and I c values in each filament. Results have shown a current imbalance on the current sharing in the filamentary structure. It has been shown that the Ic is possibly influenced significantly if the filament size reaches 100μm scale because of current blocking obstacles.",

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AU - Zulkifli, Zulistiana

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AU - Kiss, Takanobu

AU - Enpuku, Keiji

AU - Watanabe, Tomonori

AU - Kashima, Naoji

AU - Mori, Masami

AU - Nagaya, Shigeo

AU - Ibi, Akira

AU - Yamada, Yutaka

AU - Shiohara, Yuh

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