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3 传统斜轧与3D-SPD制备的试样的损伤值计算结果及纵截面形貌

Fig.3 Calculated damage values (upper) and longitudinal section morphologies (lower) of samples fabricated by traditional cross rolling (a) and 3D-SPD (b)