[S5] S5 Multi-scale analysis of elementary processes in plasticity(IX)

9:20 AM - 9:35 AM JST(12:20 AM - 12:35 AM UTC)

[S5.14] First-Principles Analysis of Size and Chemical Effects on Solid-Solution Strengthening in Dilute Al Alloys

○Ryosuke Hayashi¹, Hajime Kimizuka¹ (1. Nagoya Univ.)

Keywords:

solid-solution strengthening,first-principles calculations,Al alloys,size effect,chemical effect

Focusing on the interaction between dislocations and solute atoms in dilute Al solid solutions, the strengthening contribution of each solute atom was evaluated in terms of size and chemical effects using a solid-solution strengthening model supported by first-principles calculations.