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Study on factors affecting quality of Al alloy anodized films
Author(s): 
Pages: 7-10
Year: Issue:  2
Journal: ELECTROPLATING & FINISHING

Keyword:  铝合金阳极氧化膜微观结构;
Abstract: 采用扫描电镜观察了铝合金阳极氧化膜的微观结构,测定了氧化膜的硬度、厚度和失重,进而分析了氧化膜微观结构与其质量的关系.讨论了铝材中金属元素、氧化添加剂、氧化条件对膜层微观结构的影响.结果表明,氧化膜的微观结构与其性能相对应,当氧化膜具有明显的多边形孔的结构且致密时,其性能较好,铝合金中必须含有 Mg和 Si,且其比例要合适才能形成较好的氧化膜结构;添加剂和氧化条件对氧化膜结构的影响也较大.
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