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9 1#、2#、3#试样的裂纹尖端应变云图

Fig.9 Strain nephogram of crack tip of 1#, 2#, 3# specimen with different crack lengths (a, a1, a2) 1 mm; (b, b1, b2) 2 mm; (c, c1, c2) 3 mm