M50轴承钢热变形过程中孔洞形成及演化机制

侯志远, 刘威峰, 徐斌, 孙明月, 时婧, 任少飞

Formation and Evolution Mechanism of Voids in M50 Bearing Steel During Thermal Deformation

HOU Zhiyuan, LIU Weifeng, XU Bin, SUN Mingyue, SHI Jing, REN Shaofei

图8 应变50%、应变速率0.1和1 s-1时不同变形温度下孔洞的体积分数及数量密度

Fig.8 Statistical results of the volume fraction (a) and number density (b) of voids at different deformation temperatures with strain of 50%, and strain rates of 0.1 and 1 s-1