研究变形态Mg-2.5Nd-0.5Zn-0.5Zr合金的超塑变形行为发现, 375 ℃是该合金的最佳超塑变形温度, 变形速率在1×10-2 s-1时延伸率达到329%; 当变形速率提高到2×10-2 s-1时, 该合金的延伸率仍可达到213%. 分析不同真应变下的组织发现, 晶粒在变形初期发生动态再结晶, 晶粒得到破碎而变得细小, 随着变形程度的增加, 晶粒长大程度较小.
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