[G] Magnesium and Its Alloys

[433] Relationship between heterogeneous microstructure and fracture toughness behavior in extruded Mg-Y-Zn alloys

*Soya NISHIMOTO¹, Taiga YASUDA², Michiaki YAMASAKI¹, Koji HAGIHARA³ (1. Magnesium Recerch Center, Kumamoto Univ., 2. Kumamoto Univ., 3. Nagoya Inst. of Tech.)

Keywords:マグネシウム合金、長周期積層構造相、Mg-Y-Zn、不均一組織、破壊靭性

長周期積層構造型Mg-Zn-Y合金押出材の不均一組織形成が破壊靭性挙動に及ぼす影響を調査した。