College of Materials Science and Engineering University of Science and Technology 030024;
Heavy Machinery Engineering Research Center of the Ministry of Education University of Science and Technology 030024;
State Key Laboratory of Mechanical Transmission of Materials Science and Engineering University 400044;
College of Materials Science and Engineering University of Technology 030024;
Magnesium alloy; Accumulated extrusion bonding; Artificial cooling; Microstructure; TEXTURE; Mechanical properties;