[G] Additive Manufacturing (Process Monitoring/Process Evaluation)

[286] Influence of printing surface on the powder spreading and internal defect of as-built part produced by powder bed fusion electron beam melting process

*SEUNGKYUN YIM¹, Keiji Yanagihara², Kenta Aoyagi², Kenta Yamanaka², Akihiko Chiba¹ (1. New Industry Creation Hatchery Center, Tohoku University, 2. Institute for Materials Research, Tohoku University)

Keywords:Additive manufacturing、Numerical simulation、Machine learning、Ti-6Al-4V alloy、Electron beam melting

In this study, the influence of the printing surface on the powder spreading and solidification mechanism in the PBF-EB process was investigated using high-fidelity numerical models.