综述了镁合金的表面清洗、化学处理、阳极氧化、有机物充填密封、无铬的化学处理等方法.化学处理主要有磷酸-高锰酸盐、多聚磷酸盐及氟锆酸盐处理,所形成膜的耐腐蚀性能与含铬的化学转化膜相当,并且是充填密封处理的良好基底;阳极氧化处理浴的主要成分为可溶性硅酸盐、氢氧化物和氟化物,形成的氧化膜为SiO2、MgO与MgF2组成的混合膜,这种膜比早期的DOW17与HAE工艺处理形成的阳极氧化膜具有更优异的耐腐蚀和耐磨损等性能,同时也是充填密封处理的优良基底.
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