采用铸造和轧制的方法获得了1.2 mm厚密度为1.43 g/cm3的超轻Mg-11Li-3Zn合金板材,在573 K和1.67× 10-2 s-1条件下拉伸获得了200％的延伸率,其在高应变速率下呈现准超塑性；在拉伸过程中试样发生显著的动态再结晶导致晶粒细化,晶粒尺寸由平均27 μm减小到9μm；此条件下的应力指数为4.4,流动激活能112.6 kJ/mol.分析表明,573K和1.67× 10-2 s-1条件下试样拉伸过程中的变形机理为晶格扩散控制的位错攀移.
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