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5 疲劳裂纹尖端最大应力强度因子K

Table 5 Maximum stress intensity factor K at fatigue crack tip (MPa·m1/2)

Crack lengths 1 mm 2 mm 3 mm 1# 10.01 11.14 13.53 2# 10.57 12.80 14.58 3# 11.20 13.65 15.54