Improvement of microstructure and mechanical properties of Mg-8Gd-3Y by adding Mg3Zn6Y icosahedral phase alloy

► Mg-Zn-Y quasicrystal reinforced composite was prepared using an adscititious method. ► The microstructure of matrix alloy can be improved by adding quasicrystal alloy particles. ► The mechanical properties of matrix alloy can be improved by adding quasicrystal alloy particles.