[G] Solid process/ Solid and welding process(2):Powder Metullurgy and 3D Printing

2:25 PM - 2:40 PM JST(5:25 AM - 5:40 AM UTC)

[339] Microstructure Tailoring of Fe-6.5Si Alloy via Heat Accumulation Control in the Powder Bed Fusion Electron Beam Melting Process

*SEUNGKYUN YIM^1,2, Takuya Kita³, Kosho Wada³, Akihiko Chiba² (1. Institute for Materials Research, Tohoku University, 2. New Industry Creation Hatchery Center, Tohoku University, 3. Advanced Process Research Department, DENSO CORPORATION)

Keywords:

Electron beam melting,Computational fluid dynamics,Cellular automata,Solidification,Single crystal

We investigated the influence of heat accumulation on the solidification dynamics and resulting microstructure using computational fluid dynamics (CFD) and a finite element cellular automaton model.