Failure cause analysis of 40Cr bolt used in hanger of train brake lever
Liu Yanfeng, Liu Xiaomin, Wang Fayun, Zhao Yuqing, Li Xiaozeng, Pan Yonghong
Heat Treatment of Metals . 2024, (1): 279 -283 .  DOI: 10.13251/j.issn.0254-6051.2024.01.045