Different influence of Sr modification with different parameters by analyzing metallographic structure on properties of die casting al alloy is studied.
通过金相组织分析以及在不同参数下以锶变质对压铸铝合金性能带来的各种影响进行了试验。
Low temperature aging for die casting al alloy under appropriate technological condition can increase average strength and Brinell hardness more than 10% and 30% respectively.
对压铸铝合金进行低温时效，在最佳工艺条件下，合金的平均拉伸强度提高10 %以上，布氏硬度提高30 %以上。
The roles of alloying and trace elements in die-casting al, Mg, Zn and Zn-Al alloy and its research progress were surveyed. The problems in further developing die-cast alloy were analyzed.
叙述了合金元素和微量元素在压铸铝合金、镁合金、锌和锌铝合金中的作用及近年来取得的研究进展，分析了压铸合金有待进一步研究开发的问题。
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