基于位错密度的Fe-22Mn-0.6C型TWIP钢物理本构模型研究

孙朝阳, 黄杰, 郭宁, 杨竞

A PHYSICAL CONSTITUTIVE MODEL FOR Fe-22Mn-0.6C TWIP STEEL BASED ON DISLOCATION DENSITY

SUN Chaoyang, HUANG Jie, GUO Ning, YANG Jing

Table 2 Average relative errors of simulated and experimental stresses for Fe-22Mn-0.6C steel subjected to three decompositions with strain rate 0.1 s-1

Decomposition Average relative error 0< e ≤0.2 0.2< e ≤0.4 e >0.4 Total Excluding slip inside twinning 1.85% 1.18% 2.07% 1.91% Including slip inside twinning 1.84% 2.34% 4.48% 3.72% This work 1.88% 0.74% 0.60% 0.84%