Analysis on fracture reasons for 40Cr steel actuator cylinder arm
Tu Wenbin1,2,3,4, Jiang Tao2,3,4, Liu Delin2,3,4, Song Kai1, Tao Chunhu2,3,4
Heat Treatment of Metals . 2015, (6): 199 -203 .  DOI: 10.13251/j.issn.0254-6051.2015.06.047