Numerical simulation of laser hardening of 42CrMo steel spherical fixed set bearing in roller bit
He Wei1, Hao Guanghui1, Wei Qinwen2, Hu Yumao1, Chen Yang1, He Junchao1
Heat Treatment of Metals . 2015, (8): 149 -153 .  DOI: 10.13251/j.issn.0254-6051.2015.08.031