The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy.

用磷铜合金和四元钠盐变质剂对过共晶铝硅合金进行了变质处理试验。

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The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy.

用磷铜合金和四元钠盐变质剂对过共晶铝硅合金进行了变质处理试验。

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