应变速率对X80管线钢铁素体/贝氏体应变分配行为的影响

王楠, 陈永楠, 赵秦阳, 武刚, 张震, 罗金恒

Effect of Strain Rate on the Strain Partitioning Behavior of Ferrite/Bainite in X80 Pipeline Steel

WANG Nan, CHEN Yongnan, ZHAO Qinyang, WU Gang, ZHANG Zhen, LUO Jinheng

图6 X80钢在变形量为5%时不同应变速率下的局部平均取向差(KAM)图及铁素体和贝氏体间的应变梯度

Fig.6 Kernel average misorientation (KAM) maps of X80 steel after deformation of 5% at strain rates of 10-4 s-1 (a), 10-3 s-1 (b), 10-2 s-1 (c), and 10-1 s-1 (d) (Inset shows the strain gradient between ferrite and bainite)