摘要 : Abstract The influence of changes in temperature from 250 to 400?°C with 50?°C intervals during ECAP processing on the texture evolution and recrystallization behavior for Mg–9Al–1Zn alloy was studied. The results demonstrate that... 展开 Abstract The influence of changes in temperature from 250 to 400?°C with 50?°C intervals during ECAP processing on the texture evolution and recrystallization behavior for Mg–9Al–1Zn alloy was studied. The results demonstrate that {10 1ˉ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\overline{\text{1}}}$$\end{document} 2} extension twins and dislocation slip are the dominating deformation modes in low temperature (250?°C and 300?°C) ECAP processing, and those twins gradually disappear with increasing temperature. Most of the recrystallized grains are observed to exhibit (0001) poles 70°–90° away from the normal direction due to reorientation of the grains caused by twins and dislocation slips, with the texture changing from a strong basal texture to the texture component close to {1ˉ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\overline{\text{1}}}$$\end{document} 2 1ˉ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\overline{\text{1}}}$$\end{document} 0} and {01 1ˉ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\overline{\text{1}}}$$\end{document} 0}. The production of ultrafine recrystallized grains in the specimens treated by ECAP at 400?°C was aided by grain fragmentation caused by twins interaction, as well as dislocation slip and temperature increase during severe plastic deformation (SPD).Graphical abstract 收起