[G] Powder sintering and additive manufacturing

[228] Mechanical Surface Treatments on Inconel 718 Powders for Controlling the Powder Bed Charging in PBF-EB

*Fangzhou Liu¹, Kenta Aoyagi², Keiji Yanagihara², Keisuke Ito³, Akihiko Chiba² (1. Graduate School of Engineering, Tohoku University, 2. Institute for Materials Research, Tohoku University, 3. Miyagi Prefectural Government)

Keywords:PBF-EB、Ball milling、Oxide layer

In PBF-EB, a smoke phenomenon is needed to be solved, and it is a phenomenon in which the oxide film on the powder surface is negatively charged by electron beam irradiation.