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铝硅合金因其具有优良的性能而得到了广泛地应用，铁相是铝硅合金中最为常见的杂质。综述了铁相对铝硅合金不同性能的影响；归纳了抵消和减轻铁相有害作用的措施。
Al-Si alloys have been widely used because of their excellent properties. Iron is the most common impurity in Al-Si alloys. The effects of iron on the properties of Al-Si alloy are summarized. The countermeasures to counteract and mitigate the harmful effects of Fe phase are summarized.