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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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原子氧对金属银和有机防护涂层的侵蚀
Keywords: ag,原子氧,侵蚀,防护
Abstract:
？用光电子能谱（xps）和扫描电镜（sem）观测了在模拟原子氧（ao）环境中ag及在其表面涂覆的有机防护层的表面，研究了表面的形貌和质量损失。结果表明，ao对ag有较严重的侵蚀作用，使原来光亮的表面失去光泽，变得粗糙；采用环氧树脂、聚胺脂或醇酸树脂作为防护涂层，ao辐照后其表面形貌也发生了较大变化，表明腐蚀严重；采用有机硅作为涂层，被ao侵蚀后其表面形貌的变化甚小，质量损失较小，表明这种涂层具有较明显的防护效果。经ao辐照后有机硅涂层表面生成了致密的氧化硅膜层，对抑制ao的进一步侵蚀具有关键作用。
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