铝合金稀土转化膜具有优异的耐蚀性能和无毒无污染等优点,是最具希望代替铬酸盐有毒处理、有良好发展前景的转化膜之一.本文从成膜工艺、膜的组成、结构及形貌、成膜机理和耐蚀机理四个方面介绍了铝合金稀土转化膜技术在国内外的研究进展及现状,展示了稀土元素在铝合金转化膜中广阔的应用前景,并对这一技术未来的发展方向提出了展望.
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