[G] Additive Manufacturing & Powder Metallurgy

[212] Spreading mechanism of Ti–48Al–2Cr–2Nb powders in powder bed fusion-type additive manufacturing process

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

Keywords:Powder spreading、Packing density、Flowability、Discrete element method、Powder bed fusion additive manufacturing

The aim of this study is to investigate spreading mechanisms in powder bed fusion type additive manufacturing processes using the two types of TiAl powders based on experiments and DEM modeling