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Corrosion resistance of anodically oxidized LY12 aluminum alloy after modification with cerium nitrate and silane
Author(s): 
Pages: 33-37
Year: Issue:  12
Journal: Electroplating & Finishing

Keyword:  铝合金阳极氧化铈盐硅烷改性耐蚀性;
Abstract: 采用硫酸阳极氧化法在LY12铝合金表面制备了阳极氧化膜,然后以γ-环氧丙氧丙基三甲氧基硅烷(GPTMS)/正硅酸乙酯(TEOS)杂化溶胶封闭,并在封闭过程中引入Ce3+作为缓蚀剂.对吸附Ce3+的铝合金阳极氧化膜进行了X射线光电子能谱(XPS)分析.通过极化曲线与电化学阻抗谱(EIS)研究了铈盐和硅烷杂化溶胶改性的阳极氧化铝合金电极在25℃C、3.5%(质量分数)NaCl溶液中的耐蚀长效性.结果表...
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