Segregation behavior and embrittling effect of lanthanide La, Ce, Pr, and Nd at Σ3(111) tilt symmetric grain boundary in <i>α</i>-Fe<xref rid="cpb_28_12_126802fn1" ref-type="fn">*</xref><fn id="cpb_28_12_126802fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. U1867217), the National Science and Technology Major Project of the Ministry of Science and Technology of China (Grant No. 2019ZX06004009), and the China National Nuclear Corporation Centralized Research and Development Project (Grant No. FY18000120).</p></fn>

Segregation behavior and embrittling effect of lanthanide La, Ce, Pr, and Nd at Σ3(111) tilt symmetric grain boundary in α-Fe**

Project supported by the National Natural Science Foundation of China (Grant No. U1867217), the National Science and Technology Major Project of the Ministry of Science and Technology of China (Grant No. 2019ZX06004009), and the China National Nuclear Corporation Centralized Research and Development Project (Grant No. FY18000120).

Cao Jinli^{1, 2}, Yang Wen¹, He Xinfu^{1, †}

The calculated occupation probability of Ln atoms near the GB sites as a function of the segregation energy at different temperatures and bulk concentrations based on the Mc-Leans’ equation.