College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China;
College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China;
Weichai Power Co. LTD. Weifang 261001 China;
Taiyuan Iron&Steel(Group)Co. LTD. Taiyuan 030003 China;
College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China;
College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China;
Magnesium alloy; Rare earth element; SEM; XRD; Weight loss; Polarization;