封孔是进一步提高镁合金阳极氧化膜耐蚀性的有效方法,主要方法有沸水、铬酸盐、硅酸盐、磷酸盐、溶胶-凝胶以及有机物封孔,本文对以上几种方法进行了全面综述.鉴于镁合金阳极氧化膜封孔技术目前还不成熟,需加强这方面研究以满足镁合金阳极氧化工业应用.
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