微观组织演变对细晶Mg-Y-Nd合金超塑性性能的影响

曹耿华,郑振兴,刘一雄,王敏,李纬华

Influence of Microstructure Evolution on Superplastic Properties of Fine-grained Mg-Y-Nd Alloy

Genghua CAO,Zhenxing ZHENG,Yixiong LIU,Min WANG,Weihua LI

图1 高温拉伸断裂试样的夹持区域、标距区域和裂纹尖端取样位置

Fig.1 Grip region, gauge region and fracture tip in fractured specimen