[G] Solid process/Solid and welding process

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[70] 0

*Lingxiao OUYANG¹, Yufan Zhao², Yuji Imamiya³, Kenta Aoyagi², Akihiko Chiba² (1. Tohoku Univ.、2. IMR, Tohoku Univ.、3. Mitsubishi Heavy Industries Machine Group.)

Keywords:

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.