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镁合金以其高比强度、比模量和优异的力学性能,已在众多领域受到广泛关注.但是,化学活性高、耐蚀性能差的缺陷制约了其应用范围.寻找一种合适的表面处理方法已成为必然.本文概述了国内外关于镁合金表面防护涂层的研究现状,主要有化学转化膜、阳极氧化膜、金属涂(镀)层、激光表面合金改性层、气相沉积层和溶胶-凝胶涂层等.展望了镁合金表面防护涂层的发展趋势.

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