Practice on reducing distortion of long shaft for 40Cr steel during vacuum quenching
Wang Jinghui1, Jia Junqing2, Liu Junxiang1, Huang Da2, Li Liang3
Heat Treatment of Metals . 2015, (8): 206 -207 .  DOI: 10.13251/j.issn.0254-6051.2015.08.045