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1 珠光体重轨钢的化学成分

Table 1 Chemical composition of pearlite heavy rail steel (mass fraction, %)

C Si Mn V Cr RE (Ce and La ratio) 0.76 0.61 0.89 0.07 0.28 0.002