of;
Materials;
Science;
and;
Engineering,;
Taiyuan;
University;
of;
Technology,;
Taiyuan;
030024,;
China;
Qishuyan;
Locomotive;
and;
Rolling;
Stock;
Technology;
Research;
Institute;
Co.;
Ltd.,;
Changzhou;
213011,;
China;
力学性能; 微观结构; 镁合金; 准晶相; 镁基; 球形; 复合材料; 中间合金;