[G] Powder sintering and additive manufacturing

[229] The effect of mechanical ball milling on electrical and powder bed properties of gas atomized Ti–48Al–2Cr–2Nb for suppressing smoke in EBM-AM process

*SEUNGKYUN YIM¹, Huakang Bian², Kenta Aoyagi², Kenta Yamanaka², Akihiko Chiba² (1. Graduate School of Engineering, Tohoku University, 2. Institute for Materials Research, Tohoku University)

Keywords:Electron beam melting、Smoke、Discrete element method、TiAl alloy、Impedance spectroscopy

The aim of this study, to elucidate the relation between the smoke and powder bed properties, such as packing density, coordination number, based on the discrete element method (DEM) model.