Local surface laser quenching process of 12CrNi3 steel outside locking sleeve
Li Ling, Meng Xuan, Zhao Zhipeng, Yue Jiahong, Qi Ting
Heat Treatment of Metals . 2020, (6): 72 -76 .  DOI: 10.13251/j.issn.0254-6051.2020.06.016