Abstract

Cover:Friction stir processing (FSP) and subsequent aging heat treatment were used to modify the microstructure of AZ80 magnesium alloy. EBSD images (left) and pole figures (right) of (a, b) base material (BM), (c, d) FSP, (e, f) FSP‐with aging treatment (5 h at 180°C) and (g, h) FSP‐with aging treatment (24 h at 180°C) samples. The average grain size of FSP sample was refined from (a) to (c) due to dynamic recrystallization through FSP. After aging heat treatment, the average grain size of FSP‐5 and FSP‐24 samples was slightly larger (e, g) than that of the FSP sample. The pole figures clearly demonstrate that BM sample possessed an obvious preferred grain orientation.More detailed information can be found in: Liying Huang, Kuaishe Wang, Wen Wang, Pai Peng, Ke Qiao, Qiang Liu, Microstructural evolution and corrosion behavior of friction stir processed fine‐grained AZ80 Mg Alloy, Materials and Corrosion 2020, 71, 93.

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