中锰钢奥氏体中化学界面变形行为的晶体塑性研究

贾春妮, 刘腾远, 郑成武, 王培, 李殿中

Micro-Deformation Behavior of Austenite Containing Chemical Boundary in a Medium Mn Steel： A Crystal Plasticity Modeling

JIA Chunni, LIU Tengyuan, ZHENG Chengwu, WANG Pei, LI Dianzhong

图2 变形梯度及其内部相关变量求解过程的示意图

Fig.2 Self-consistent integration of kinematic quantities within fixed internal material state parameters ( F —deformation gradient, ${\dot{F}}_{p}$ —tangent of plastic deformation gradient, L_p—velocity gradients of plastic deformation gradient, S —second Piola-Kirchhoff stress, ${\dot{γ}}^{α}$ —plastic slip rate, ${\dot{ρ}}_{e}^{α}$ —evolution rate of edge dislocation, $f^{β}$ —martensite fraction)