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采用沉降法和过滤法对富铁铝合金进行复合净化，实验得出了铝合金复合净化的最佳工艺方法．结果表明：采用复合净化法可以有效地去除铝合金中富铁化合物．净化后铝合金的机械性能明显改善．复合净化对铝合金无副作用
Adopting sedimentation method and filtration method to compound iron-rich aluminum alloy, the best process method of composite aluminum alloy purification was obtained. The results show that the composite purification method can effectively remove iron-rich compounds from aluminum alloy. After cleaning the mechanical properties of aluminum significantly improved. Compound purification of aluminum alloy without side effects