[G] 付加製造・積層造形（プロセス評価・モニタリング）

[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

*YIM SEUNGKYUN¹、柳原 圭司²、青柳 健大²、山中 謙太²、千葉 晶彦¹ (1. 東北大学未来科学技術共同研究センター、2. 東北大学金属材料研究所)

キーワード：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.