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

图1 CT疲劳试验设备

Fig.1 CT fatigue test (a) sampling location and actual specimen; (b) specimen size (mm); (c) fatigue loading process and strain measurement; (d) strain acquisition