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镁合金质轻,具有许多优良的性能,应用日益受到关注,但耐磨、耐蚀性差却制约着其广泛应用,需进行合适的表面处理以提高防护性能.综述了镁合金的主要应用及其表面处理研究的进展.目前,镁合金已广泛应用于汽车、电子、航空、航天等领域,所采取的表面处理方法主要有化学处理、阳极氧化、金属涂层、有机涂层、微孤氧化等,重点介绍了镁合金微弧氧化的研究进展,并基于在这方面所做的研究工作分析了今后镁合金微弧氧化研究的发展趋势.最后,提出了今后镁合金表面处理研究的发展方向.

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