[P] P83~P111

[P111] Cr Segregation at Tilt Grain Boundaries in Ni-Cr Alloy

*Jing Nong^1,2, Qian Chen¹, Kazutoshi Inoue¹, Jian Xu², Yuichi Ikuhara^1,3,4 (1. WPI-AIMR, Tohoku Univ.、2. School of Materials, Sun Yat-sen Univ.、3. Inst. Engineering Innovation, The Univ. of Tokyo、4. JFCC)

キーワード：

Grain boundary segregation、Atomistic simulation、Ni-Cr alloy、CSL boundaries

This study reveals that the Σ9 grain boundary of Ni-Cr alloy accommodates more Cr segregation than the Σ3 boundary, and explains the underlying mechanism based on the local atomic arrangement.