Abnormal Grain Growth of Off-Cube Grains in High Purity Aluminum Foils with Cube Texture

Takata, Naoki; Yoshida, Fuyuki; Ikeda, Ken-ichi; Nakashima, Hideharu; Abe, Hiroshi

doi:10.2320/matertrans.46.2975


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Abnormal Grain Growth of Off-Cube Grains in High Purity Aluminum Foils with Cube Texture

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/75560

Title:	Abnormal Grain Growth of Off-Cube Grains in High Purity Aluminum Foils with Cube Texture
Authors:	Takata, Naoki Browse this author
	Yoshida, Fuyuki Browse this author
	Ikeda, Ken-ichi Browse this author →KAKEN DB
	Nakashima, Hideharu Browse this author
	Abe, Hiroshi Browse this author
Keywords:	goss texture
	cube texture
	grain growth
	grain boundary character
	grain boundary migration
	secondary recrystallization
Issue Date:	Dec-2005
Publisher:	The Japan Institute of Light Metals
Journal Title:	MATERIALS TRANSACTIONS
Volume:	46
Issue:	12
Start Page:	2975
End Page:	2980
Publisher DOI:	10.2320/matertrans.46.2975
Abstract:	In present study, abnormally coarsened grains in high purity aluminum foils with cube texture ({100}⟨001⟩) after a final annealing was investigated using SEM/EBSP method. Most of abnormally coarsened grains had Goss ({110}⟨001⟩) or S ({123}⟨634⟩) orientations. The coarsened grains with Goss and S-orientations were surrounded by Σ5 and Σ7 coincidence boundaries, respectively. This result clarified that these coincidence boundaries would enhance the abnormal grain growth of Goss and S oriented grains. Grain boundary energy of sub-boundaries between cube-oriented grains provided the driving force for the abnormal grain growth. The distribution of Goss oriented grains in the partially annealed foils was characterized by SEM/EBSP method. This characterization revealed that many Goss-oriented grains were distributed in the transition band on the central layer of the sheets.
Type:	article
URI:	http://hdl.handle.net/2115/75560
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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