| 铝合金牺牲阳极失效分析 |
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| 引用本文： | 刘晓军,白荣国,刘飞华,崔智勇,费克勋,李岩.铝合金牺牲阳极失效分析[J].全面腐蚀控制,2011,25(5):31-33,30. |
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| 作者姓名： | 刘晓军 白荣国 刘飞华 崔智勇 费克勋 李岩 |
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| 作者单位： | 1. 苏州热工研究院,江苏苏州,215004
2. 大亚湾核电运营管理有限责任公司,广东深圳,518124 |
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| 摘 要： | 通过化学成份分析、电化学性能测试及电化学阻抗谱对铝合金牺牲阳极不溶解原因进行分析,结果表明,Cu、Fe、Si含量过高导致牺牲阳极不溶解、电化学性能差.电化学阻抗谱研究表明牺牲阳极在加速试验过程中,经过初期活化后表面迅速钝化,阻止了进一步溶解.
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| 关 键 词： | 铝合金 牺牲阳极 化学成份 电化学阻抗谱 |
Failure Analysis on Aluminum Sacrificial Anode |
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| LIU Xiao-jun,BAI Rong-guo,LIU Fei-hua,CUI Zhi-yong,FEI Ke-xun,LI Yan.Failure Analysis on Aluminum Sacrificial Anode[J].Total Corrosion Control,2011,25(5):31-33,30. |
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| Authors: | LIU Xiao-jun BAI Rong-guo LIU Fei-hua CUI Zhi-yong FEI Ke-xun LI Yan |
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| Affiliation: | LIU Xiao-jun1,BAI Rong-guo2,LIU Fei-hua1,CUI Zhi-yong2,FEI Ke-xun1,LI Yan1(1.Suzhou Nuclear Power Research Institute,Suzhou 215004,China,2.Daya Bay Nuclear Power Operations & Management Co.,Ltd.,Shenzhen 518124,China) |
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| Abstract: | Chemical composition analysis and electrochemical property test and Electrochemical impendence spectroscopy were applied to analysis the failure of aluminum anode,result shows that excessive contents of Cu、Fe、Si lead to insoluble of anode and degrade electrochemical property.EIS results showed surface passivation occurred during impressed current accelerate test,and further dissolution was prevented. |
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| Keywords: | aluminum sacrificial anode chemical composition EIS |
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