Research on the improvement and mechanism of La-Ce on inclusions in GCr15 bearing steelXiang-Yu Wu, Zheng-Peng Han, Yu-Tang Li, Qian-Ren Tian and Jian-Xun FuMetall. Res. Technol., 121 5 (2024) 507DOI: https://doi.org/10.1051/metal/2024064