Structure change rules of static and dynamic recrystallization on thermal deformation of AZ31B magnesium alloy thin sheet were investigated by thermal stretch machine,metalloscope and SEM.

• 采用热拉伸试验机、光学显微镜和扫描电镜等研究了AZ31B镁合金薄板热变形过程中静态再结晶和动态再结晶组织的变化规律。