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5 不同应变速率下X80钢的工程应力-应变曲线和应变速率敏感指数

Fig.5 Engineering stress-strain curves (a) and strain rate sensitivity indexes (m) (b) under different strain rates