综述了阳极氧化技术在增强Mg及其合金耐蚀性和有关 Mg阳极氧化现象、成膜机理和膜的成分及结构等方面的研究进展.
In this paper, the progress of anodizing technology for magnesium and its alloys is overviewed.Corrosion resistance of Mg and its al loy maybe efficiently enhanced by anodizing,the technology of which embodies ma inly in variation of electrical parameters such as voltage and cunent while anod izing. Namely,the operating voltage is being raised toward higher values and the present constant voltage operation is being challenged by constant current oper ation. At the same time, simple alternating current or direct current electrical signals utilized during anodizing are being changed to sophisticated puls signa ls or their superposed signals. On the other hand, the change of electrolyte com position is also an important aspect of the development of the technology. The i nvestigation actuality emphasized to the anodizing of magnesium and its alloys i ncludes phenomena and mechanisms of the formation of anodizing coatings as well as their constituents and morphologies which are related to their protectiveness .
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