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对电子铝箔中添加微量元素实验研究现状进行了总结,概括了高纯铝中的添加微量合金元素的作用机理.其作用机理是微量溶质原子和析出相粒子可提高铝合金强度和再结晶温度、能细化晶粒、对变形织构和再结晶织构的形成都有阻碍作用,通过相变热处理获得析出相强化作用.归纳了富铝端的相反应类型、各相成分和反应温度,提出了高纯电子铝箔的合金元素和加工工艺的优化原则.
The present situation of experimental research on the addition of trace elements in electronic aluminum foil is summarized and the mechanism of adding trace alloying elements in high purity aluminum is summarized.The mechanism of action is that trace solute atoms and precipitated particles can increase the strength and recrystallization temperature of the aluminum alloy, Can refine the grains, which hinders the formation of deformed textures and recrystallized textures, and enhances the precipitation phases by phase transformation heat treatment.The phase reaction types, the composition of phases and the reaction temperature of the aluminum-rich end are summarized Alloying elements of high purity electronic aluminum foil and the principle of optimization of processing technology.