Additive Manufacturing Technology Division

11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[1-29A] “Recoating flowability” of PBF powders that bulk shear metrics fail to capture: charge relaxation originating from oxide films revealed by impedance spectroscopy and PIV 《 Evaluation Technology, Additive Manufacturing, パウダーベッド流動性評価技術 》

*Akihiko Chiba^1,3, Seungkyun Yim², Takemi Chiba¹, Keiji Yanagihara¹ (1. NICHe, Tohoku University, 2. IMR, Tohoku University, 3. CIAM, Shimane University)

Keywords:

Powder Bed Fusion (PBF),Recoating flowability,In-situ PIV (Particle Image Velocimetry),Electrochemical Impedance Spectroscopy (EIS),Oxide film–driven charge relaxation