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7 三种试样的循环次数

Table 7 Cycle times of samples

Crack lengths 1 mm 2 mm 3 mm 1# 8 × 104 13 × 104 15 × 104 2# 12 × 104 20 × 104 22 × 104 3# 40 × 104 50 × 104 53 × 104