[G] Solid process/Solid and welding process

[74] Ball milling treatment of gas atomized Ti‒48Al‒2Cr‒2Nb powder and its effect on preventing smoking during electron beam melting building process

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

Keywords:Smoking effect、Impedance spectroscopy、TiAl powder

The aim of this study is to investigate the ball milling effect on the oxide surface of TiAl powder for preventing smoking during the electron beam melting building process.