[P] P63~P67

[P67] Effect of alloy compositions on fracture toughness of the rapidly solidified ribbon-consolidated Mg-Zn-Y-Al alloys

*Ayami YOSHIDA¹, Soya NISHIMOTO¹, Shin-ichi INOUE², Yoshihito KAWAMURA² (1. Kumamoto University, 2. Magnesium Research Center, Kumamoto University)

Keywords:Mg-Zn-Y、長周期積層構造相、急速凝固、破壊靱性

高破壊靱性を有するMg-Zn-Y-Al急冷薄帯固化成形材の開発を目的に, 合金成分の希釈化による破壊靱性の改善を試みた.