Microstructure and defect analysis of 20CrNi2Mo Boron-bearing steel gear after carburizing and quenching
Fan Yang, Yang Sheng, Chen Jinlong, Wu Guoqing, Wu Gang
Heat Treatment of Metals . 2014, (12): 143 -146 .  DOI: 10.13251/j.issn.0254-6051.2014.12.037