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8 X80钢在不同应变速率下的晶界分布图及取向差统计图

Fig.8 Grain boundary distribution maps at strains rates of 10-4 s-1 (a) and 10-1 s-1 (b) (Black lines represent high-angle grain boundaries (HAGBs) and red lines represent low-angle grain boundaries (LAGBs)), and misorientation statistical diagrams at strain rates of 10-4 s-1 (c), 10-3 s-1 (d), 10-2 s-1 (e), and 10-1 s-1 (f) in X80 steel