珠光体重轨钢疲劳裂纹尖端的应力应变场

岑耀东, 计春娇, 包喜荣, 王晓东, 陈林, 董瑞

Stress-Strain Field at the Fatigue Crack Tip of Pearlite Heavy Rail Steel

CEN Yaodong, JI Chunjiao, BAO Xirong, WANG Xiaodong, CHEN Lin, DONG Rui

表2 三种试样的弹性模量和泊松比

Table 2 Elastic modulus and poisson's ratio of samples

Samples 1# 2# 3# Elastic modulus/MPa 196000 210000 230000 Poisson's ratio (ν) 0.27 0.3 0.3