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10 45钢轧制前后的显微组织

Fig.10 Microstructures of 45 steel before (a) and after (b) rolling