[S6] S6 Materials Science of Additive Manufacturing IX

11:20 AM - 11:35 AM JST(2:20 AM - 2:35 AM UTC)

[S6.19] Charge-Relaxation Control and Recoating Flowability Improvement of PBF Metal Powders by Microwave Irradiation

○Taeheon Kim¹, Seungkyun Yim², Takemi Chiba¹, Tadashi Kii¹, Keiji Yanagihara¹, Hidemi Kato², Akihiko Chiba¹ (1. Tohoku Univ. NICHe, 2. Tohoku Univ. IMR)

Keywords:

Powder Bed Fusion,Microwave Irradiation,Charge Relaxation,Recoating Flowability,Powder Bed Formation

This study investigates microwave irradiation for charge-relaxation control and recoating flowability improvement of PBF metal powders. EIS is used to evaluate the charge-relaxation time (τ), while PIV analyzes powder flow behavior. Their relationship is examined for various PBF metal powders.