[G] Aluminum and aluminum alloys

[311] Microstructure refinement for superior ductility of Al–Si alloy by electron beam melting additive manufacturing

*BIAN Huakang¹, Aoyagi Kenta¹, Zhao Yufan², Maeda Chikatoshi³, Mouri Toshihiro³, Chiba Akihiko¹ (1. 東北大金研、2. 東北大工（院生）、3. トヨタ自動車(株))

Keywords:Al-Si alloy、EBM、Additive manufacturing、Ductility

In this study, EBM is used to refine the microstructure of AlSi10Mg alloy to enhance the ductility. The formation mechanism of the microstructure during EBM build process was discussed.