[G] Heat Resistant Materials

[387] Quantitative estimation of coarsening behavior of L12 domains in Ni-Al-V alloys
by a first-principles calculation

*HENGXIN XU¹, Shoichi Hirosawa¹, Mitsuhiro Ootaki¹, Makoto Tanimura² (1. Graduate School of Engineering Science, Yokohama National University, 2. Instrumental Analysis Center,Yokohama National University)

Keywords:Ni-Al-V based alloys、diffusion coefficient、coarsening rate、first-principles calculation

In this study, interdiffusion coefficients in quasi-binary Ni3Al1-xVx (x=0, 0.125, 0.25, 0.5)were quantified for elucidating the effect of V concentration on the coarsening behavior of L12 domains