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6 变形温度1100℃和应变50%时不同应变速率下热变形后M50轴承钢中碳化物周围孔洞的SEM像及孔洞的体积分数和数量密度统计结果 |
Fig.6 SEM images of voids around carbides in M50 bearing steel after hot deformation at strain rates of 0.001 s-1 (a), 0.01 s-1 (b), 0.1 s-1 (c), and 1 s-1 (d) at temperature of 1100oC and strain of 50%, and statistical results of the volume fraction and number density of voids (e) |
![]() |