Failure analysis and heat treatment process improvement of 40CrNiMoA steel upper joint
Liu Jinghong, Liu Jian, Liu Shuheng, Yao Mingfeng, Chen Jie
Heat Treatment of Metals . 2024, (2): 301 -306 .  DOI: 10.13251/j.issn.0254-6051.2024.02.047