[G] Heat Resistant Materials

[139] Elucidation of diffusion blocking effect during structural change of L1₂+D0₂₂→L1₂ in Ni₃Al_1-xV_x alloys by a first-principles calculation

*Hengxin Xu¹, Tetsushin On¹, Shoichi Hirosawa¹, Mitsuhiro Ootaki¹, Makoto Tanimura¹ (1. Yokohama National University)

Keywords:Diffusion blocking effect、L1₂-Ni3(Al,V) diffusion field、a first-principles calculation

In this study, a first-principles calculation was employed to elucidate diffusion behavior of Al and V in L12-Ni3(Al,V) diffusion field, and then a proposed diffusion blocking effect was verified.