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4 三种试样的微观组织类型、片层大小、晶粒尺寸
Table 4 Microstructure type, lamellar size and grain size of samples
SamplesCooling processMicrostructureLayers spacing / nmGrain size / μm
1#Air coolingPearlite324.620.73
2#Wind CoolingPearlite133.913.38
3#560oC-30 sPearlite105.97.90