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

表2 不同应变速率下X80钢的力学性能

Table 2 Mechanical properties of X80 steel under different strain rates

Strain rate / s-1 Yield stress / MPa Tensile stress / MPa Yield ratio Uniform elongation / % 10-4 586 644 0.91 18.73 10-3 613 651 0.94 17.61 10-2 627 667 0.94 15.27 10-1 635 685 0.93 13.77