of;
Materials;
Science;
and;
Engineering,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150001,;
China;
Mobile;
Station;
of;
Mechanical;
Engineering,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150001,;
China;
of;
Mechatronics;
Engineering,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150001,;
China;
Mobile;
Station;
of;
Mechanics,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150001,;
China;
AZ80镁合金; 半固态坯料; 坯料制备; SIMA; 剧烈塑性变形; 动态再结晶; 挤压加工; 微观结构;