Materials Transactions Online

Materials Transactions, Vol.54 No.03 (2013) pp.304-307
© 2013 The Japan Institute of Metals

Crystallographic Dependence on Deformation Characteristics of Friction Stir Processed Pure Aluminum

Ssu-Ta Chen, Truan-Sheng Lui and Li-Hui Chen

Department of Materials Science and Engineering, National Cheng Kung University, Tainan 70101, Taiwan, R. O. China

Anisotropic deformation behaviors of the friction stir processed dynamic recrystallized commercial pure aluminum alloys were studied in this study. Recrystallized and refined grain size can be acquired after friction stir process is conducted. However, this is not guaranteed of isotropic deformation characteristics. Microhardness profile within the friction stir processed region is crystallographic orientation dependence. This dependence is manifested properly by the corresponding average Taylor factors.

(Received 2012/10/30; Accepted 2012/12/11; Published 2013/02/25)

Keywords: friction stir process, hardness, orientation, average Taylor factor

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