Effects of RE La on microstructure and hardness of low carbon high niobium steel in deformed condition
Bai Hairui, Ren Huiping, Fang Qi, Dong Yuan, Qin Mu, Sun Wei
Heat Treatment of Metals . 2014, (9): 124 -127 .  DOI: 10.13251/j.issn.0254-6051.2014.09.033