講演情報
[70]Grain structure control of Direct Energy Deposited Ti-6Al-4V alloy with a wide range of processing parameters
*Lingxiao OUYANG1, Yufan Zhao2, Yuji Imamiya3, Kenta Aoyagi2, Akihiko Chiba2 (1. Tohoku Univ.、2. IMR, Tohoku Univ.、3. Mitsubishi Heavy Industries Machine Group.)
キーワード：
Directed Energy Deposition、Ti-6Al-4V、Grain structure control、Columnar to equiaxed transition
The CtFD simulations provide us real-time temperature gradient G and solidification rate R during the solidification and we use the ratio of to G/R and G×R to control grain structure.