[G] Al-Al合金

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

*卞 華康¹、青柳 健大¹、趙 宇凡²、前田 千芳利³、毛利 敏洋³、千葉 晶彦¹ (1. 東北大金研、2. 東北大工（院生）、3. トヨタ自動車(株))

キーワード：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.