[1G17-21] Microscopic Analysis

[1G17] MD simulations to evaluate effects of stacking fault energies on defect formation process in crystalline materials under neutron irradiation (3)

Daiki Nakanishi², Tomoya Kawabata², *Taira Okita¹, Mitsuhiro Itakura³ (1. Research into Artifacts, Center for Engineering, the University of Tokyo, 2. Department of Engineering, the University of Tokyo, 3. Center for Computational Science & e-Systems, Japan Atomic Energy Agency)

Keywords:collision cascade, stacking fault energy, molecular dynamics

面心立方金属を対象として，高エネルギー粒子入射下における結晶欠陥形成過程をMD法により定量化した．自己格子間原子集合体に着目すると，その形態は材料物性の影響を受け，不動性と可動性が決定づけられることが明らかとなった．