[G] 8.4Magnesium and Its Alloys

[135] Dispersion of stable icosahedral i-phase in ZA63 alloy by dynamic precipitation during extrusion

*Alok SINGH¹, Takanobu HIROTO¹, Hidetoshi SOMEKAWA¹ (1. National Institute for Materials Science)

Keywords:Magnesium alloys、quasicrystal、precipitation、extrusion

Mg-Zn-Al ZA63 alloy was solutionized at 400C and extruded to precipitate stable quasicrystal i-phase dynamically. A fine dispersion of the i-phase was achieved with good mechanical properties.