[G] Solid process/ Solid and welding process(2)

[325] In-situ observation of powder spreading in powder bed fusion additive manufacturing process using particle image velocimetry method

*SEUNGKYUN YIM¹, JIAYU SUN¹, KENTA AOYAGI¹, KENTA YAMANAKA¹, AKIHIKO CHIBA¹ (1. Institute for Materials Research, Tohoku University)

Keywords:Powder bed fusion-based additive manufacturing、Powder spreading、Particle image velocimetry、SUS304 alloy、Discrete element method

In this study, the powder spreading mechanism in powder bed fusion-based additive manufacturing was elucidated using the particle image velocimetry method and discrete element method simulation.