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通过对富铁的Ａｌ－Ｓｉ－Ｔｉ合金液进行自然沉降和添加锰元素再自然沉降后的组织观察和分析表明：自然沉降前后Ａｌ－Ｓｉ－Ｔｉ合金中铁相含量几乎无变化，而经加锰再自然沉降后则可去除大部分Ａｌ－Ｓｉ－Ｔｉ合金中的铁相
The microstructure observation and analysis of naturally-precipitated Al-Si-Ti alloy liquid after natural sedimentation and natural sedimentation of Mn-added alloy showed that there was almost no change in the iron phase content in Al-Si-Ti alloy before and after natural sedimentation, After the natural subsidence, most of the Al-Si-Ti alloy phase can be removed