EDX analysis shows that the approximation composition of the primary phase precipitated before peritectic reaction and icosahedral quasicrystal phase are Mg16.32Zn70.60Y13.08 and Mg36.94Zn56.21Y6.63 respectively.

• 能谱分析结果表明包晶反应中初生相的成分近似为Mg16.；32Zn70