Failure analysis of 20CrMnTi steel spiral rods in low air pressure rock drill
Wang Zhigang, Li Yongsheng, Wang Xianzhong, Xu Yong, Sun Qilei
Heat Treatment of Metals . 2014, (9): 141 -143 .  DOI: 10.13251/j.issn.0254-6051.2014.09.037