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熔炼了不同镁含量的六元Al-Zn-In-Sn-Mg-RE合金,采用恒电流方法测定了它们在不同温度下的电化学性能。结果表明:铝合金电流效率随镁含量增加呈先增加后降低的规律变化;镁含量在0.3%和1.0%时对铝合金阳极性能尤其是高温性能有较好的作用。
Six-element Al-Zn-In-Sn-Mg-RE alloys with different Mg contents were smelted and their electrochemical performances under different temperatures were measured by galvanostatic method. The results show that the current efficiency of aluminum alloy increases first and then decreases with the increase of magnesium content. When the content of magnesium is 0.3% and 1.0%, the current efficiency of aluminum alloy is better than that of aluminum alloy.