[G] Magnesium and Its Alloys

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[121] First-principles study on the thermal transport properties of Laves phases in Mg–Al–Ca alloys

○Kousuke Okamatsu¹, Takao Tsumuraya² (1. Kumamoto Univ., 2. Magnesium Research Center, Kumamoto Univ)

Keywords:

Mg–Al–Ca alloy,First-principles calculation,Laves phase,Thermal conductivity

We evaluated the thermal transport properties of Laves phases in Mg–Al–Ca alloys based on first-principles calculations. Our results show that the C15 phase exhibits higher electronic thermal conductivity than the C36 phase and that electronic transport is the dominant mechanism in both phases.