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Journal of Japan Institute of Light Metals, Vol. 53, No. 5 (2003), pp. 218-223.pdf654.49 kBPDFView/Open
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Title: 電解コンデンサ用アルミニウム箔の立方体集合組織形成に及ぼす加工熱処理条件の影響
Other Titles: Effect of thermo-mechanical treatment on cube texture in aluminum foils for electrolytic capacitor
Authors: 高田, 尚記1 Browse this author
池田, 賢一2 Browse this author →KAKEN DB
吉田, 冬樹3 Browse this author
中島, 英治4 Browse this author
阿部, 弘5 Browse this author
Authors(alt): Takata, Naoki1
Ikeda, Ken-ichi2
Yoshida, Fuyuki3
Nakashima, Hideharu4
Abe, Hiroshi5
Keywords: high purity aluminum foil
cube texture
SEM-EBSP method
thermo-mechanical treatment
Issue Date: May-2003
Publisher: 軽金属学会
Journal Title: 軽金属
Journal Title(alt): Journal of Japan Institute of Light Metals
Volume: 53
Issue: 5
Start Page: 218
End Page: 223
Publisher DOI: 10.2464/jilm.53.218
Abstract: The present study was carried out to clarify the effect of condition of thermo-mechanical treatment (partial annealing and additional rolling) on behavior of cube texture in high purity aluminum foils for electrolytic capacitor. Foils were partially annealed at 503, 523 and 543 K and additionally rolled to 12, 17 and 22% reduction. They were finally annealed at 573 K. All foils were evaluated by SEM–EBSP method. It was elucidated that the foil partially annealed at 523 K and additionally rolled to 17% reduction, had larger area fraction of cube-oriented grains than the other foils after final annealing. From the examination of that, it was concluded that the distribution and diameter of cube-oriented grains depended on the partial annealing temperature and that grain growth in final annealing was affected by the residual strain in grains attributed to the degree of reduction of the additional rolling. It was considered that the optimized condition of thermo-mechanical treatment enhanced growth of cube-oriented grains and suppressed the other grains. On the basis of the theory to bulge nucleation, the critical diameter of growth of cube-oriented grains was estimated. The estimated diameter was compared with the distribution of the measured diameter of cube-oriented grain. The result explained well the dependence of the area fraction of cube-oriented grains on foils with different conditions of thermo-mechanical treatment after final annealing.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 池田 賢一

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