| 冷喷涂铝涂层在海水中的腐蚀行为研究 |
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| 引用本文： | 董彩常,王洪仁,黄国胜,杜敏. 冷喷涂铝涂层在海水中的腐蚀行为研究[J]. 腐蚀科学与防护技术, 2010, 22(2): 90-93 |
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| 作者姓名： | 董彩常 王洪仁 黄国胜 杜敏 |
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| 作者单位： | 1中国海洋大学 化学化工学院;青岛 266100； 2海洋腐蚀与防护国防科技重点实验室 中船重工七二五所青岛分部;青岛 266071 |
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| 基金项目： | 国家重点实验室基金项目（9140c2505010605） |
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| 摘 要： | 利用电化学测试手段研究冷喷涂铝涂层在海水环境中的腐蚀行为,并研究了冷喷涂铝涂层在中性盐雾中腐蚀速度的变化规律.结果表明,海水环境中冷喷涂铝涂层表面覆盖致密稳定的腐蚀产物,有效阻止了腐蚀介质向涂层内部的渗透,腐蚀速度随腐蚀时间的增加迅速降低.
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| 关 键 词： | 冷喷涂 铝涂层 电化学 海水腐蚀 |
| 收稿时间： | 2008-02-25 |
| 修稿时间： | 2008-04-24 |
Corrosion Behavior of Cold-sprayed Aluminum Coating in Seawater |
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| Affiliation: | 1Ocean University of China;Qingdao 266100;2State Key Laboratory for Marine Corrosion and Protection;Luoyang Ship Material Research Institute(LSMRI);Qingdao 266071 |
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| Abstract: | The corrosion behavior of Q235 steel coated with cold-sprayed aluminum in seawater was examined by electrochemical methods in this work,and the variation of corrosion rate of the aluminum coating was studied by neutral salt spray test.The result indicates that after immersion in seawater the cold sprayed aluminum coating was covered with a stable corrosion product scale which effectively prevents the coating from further seawater corrosion.The corrosion rate of the aluminum coating declined rapidly with time in neutral salt spray circumstance. |
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| Keywords: | cold-sprayed aluminum coating electrochemical seawater corrosion |
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