Guotang Zhao, Shuai Chen, Lei Wu, Zefeng Wen, HengyuWang*. Study of constitutive relation of rail decarburized layer. Engineering Failure Analysis, 2021, 130: 105792.
https://doi.org/10.1016/j.engfailanal.2021.105792

Fig. 1. Microstructure of rail decarburized layer under microscope.