| 海水中铜试样溶出的铜离子对铝合金腐蚀的影响 |
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| 引用本文： | 黄桂桥,杨海洋,刘雯.海水中铜试样溶出的铜离子对铝合金腐蚀的影响[J].装备环境工程,2017,14(2):1-5. |
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| 作者姓名： | 黄桂桥 杨海洋 刘雯 |
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| 作者单位： | 青岛钢研纳克检测防护技术有限公司,山东 青岛 266071;钢铁研究总院 青岛海洋腐蚀研究所,山东 青岛 266071 |
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| 摘 要： | 目的研究在海水中暴露的铜试样溶出的铜离子对邻近铝合金腐蚀的影响。方法采用海水暴露试验方法。结果在青岛和厦门海水中获得了4种铝合金在铜试样邻近暴露1年的腐蚀结果。结论在海水中暴露的铜试样溶出的铜离子使邻近海水的铜离子浓度升高。对在试验期间没发生局部腐蚀的LF3M,180YS和LC4CS(BL),铜试样溶出的铜离子对其腐蚀没影响。对在试验期间发生点蚀和缝隙腐蚀的铝合金LD2CS,铜试样溶出的铜离子显著加速了它的腐蚀。
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| 关 键 词： | 铜离子 铝合金 海水 腐蚀 |
| 收稿时间： | 2016/7/29 0:00:00 |
| 修稿时间： | 2017/2/15 0:00:00 |
Influences of Copper Ions Dissolved out of Copper Samples on Corrosion of Aluminum Alloys in Seawater |
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| HUANG Gui-qiao,YANG Hai-yang and LIU Wen.Influences of Copper Ions Dissolved out of Copper Samples on Corrosion of Aluminum Alloys in Seawater[J].Equipment Environmental Engineering,2017,14(2):1-5. |
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| Authors: | HUANG Gui-qiao YANG Hai-yang and LIU Wen |
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| Institution: | 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd, Qingdao 266071, China;2.Qingdao Research Institute for Marine Corrosion, Qingdao 266071, China,1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd, Qingdao 266071, China;2.Qingdao Research Institute for Marine Corrosion, Qingdao 266071, China and 1.Qingdao NCS Testing & Corrosion Protection Technology Co., Ltd, Qingdao 266071, China;2.Qingdao Research Institute for Marine Corrosion, Qingdao 266071, China |
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| Abstract: | Objective To learn influences of copper ions dissolved out of copper samples exposed to seawater on corrosion of neighboring aluminum alloys. Methods The method of exposure test in seawater was adopted. Results Corrosion results of four kinds of aluminum alloys in Qingdao and Xiamen for 1 year of exposure were obtained. Conclusion Copper ions dissolved out of the copper samples exposed to seawater make the ion concentration around the seawater increase. Copper ions dissolved out of the copper samples have no influence on the corrosion of LF3M, 180YS and LC4CS(BL), which does not suffer from local corrosion during the test. Copperions dissolved out of the copper samples obviously increase the corrosion of LD2CS which suffers from pitting and crevice corrosion during the test. |
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| Keywords: | copper ion aluminum alloy seawater corrosion |
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