Fracture cause analysis of 20CrNi2Mo steel heavy-duty gear
PAN Hengpei, ZHANG Lijuan, WANG Ke, ZHANG Jiaqi FANG Junji, ZHANG Xinyao
Physics Examination and Testing . 2025, (4): 54 -57 .  DOI: 10.13228/j.boyuan.issn1001-0777.20240076