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对Ni-Fe-Cu合金的抗氧化和耐熔盐腐蚀性能进行了研究.结果显示, 该合金的氧化动力学曲线符合抛物线规则.静态电解质中的溶解腐蚀速率随温度的增高和NaF与AlF3的摩尔分子比的降低而增大.在不同电解条件下, 组成为NaF-AlF3-NaCl-CaF2-Al2O3的电解质体系中电解时, 该阳极周围产生大量气泡, 槽电压在3.6~4.2之间波动, 阳极的电解极化腐蚀速率随电解质中氧化铝浓度的增高、温度的降低而减小, 产品铝的纯度达到97%~98%.

参考文献

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