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通过对高铁Ａｌ－ Ｓｉ－ Ｔｉ 合金自然沉降和添加锰再自然沉降后组织的观察和分析发现：自然沉降前后Ａｌ－ Ｓｉ－ Ｔｉ 合金上、下试样中的铁相数量几乎无变化，而经加锰再自然沉降后可使大部分铁相沉降到试样下部。
Through the natural deposition of high-speed Al-Si-Ti alloy and natural manganese addition and then the natural settlement of the organization after the observation found that: Al-Si-Ti alloy before and after the natural deposition of the upper and lower samples in the amount of almost no change in the iron phase, Manganese and then natural sedimentation can make most of the iron settling to the lower part of the sample.