45钢块体超细晶棒材3D-SPD轧制法
林鹏程, 庞玉华, 孙琦, 王航舵, 刘东, 张喆

3D-SPD Rolling Method of 45 Steel Ultrafine Grained Bar with Bulk Size
LIN Pengcheng, PANG Yuhua, SUN Qi, WANG Hangduo, LIU Dong, ZHANG Zhe
图11 45钢轧制前后的拉伸应力-应变曲线
Fig.11 Stress-strain curves of 45 steel before and after rolling (The inset shows the specific fracture position of the sample before and after rolling)