| 2B96K铝锂合金剥蚀过程的电化学阻抗研究 |
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| 引用本文： | 李昱锜,胡治流,江鸿杰.2B96K铝锂合金剥蚀过程的电化学阻抗研究[J].腐蚀与防护,2009,30(5). |
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| 作者姓名： | 李昱锜 胡治流 江鸿杰 |
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| 作者单位： | 李昱铸,江鸿杰,LI Yu-qi,JIANG Hong-jie(广西大学机械工程学院,南宁,530004);胡治流,HU Zhi-liu(广西大学资源与环境学院,南宁,530004)
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| 摘 要： | 研究了不同时效状态下的2896K铝锂合金在EXCO溶液中剥蚀的电化学阻抗特征.结果表明,腐蚀初期,合金的电化学阻抗谱由一个容抗弧及一个感抗弧组成,一旦发生剥蚀,即变成两个容抗弧.对于欠时效合金,这两个容抗弧出现的时间较长,表明其剥蚀发展较慢.对电化学阻抗谱进行了拟合分析,得到了剥蚀的相关信息,如剥蚀的发展及形貌等.
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| 关 键 词： | 剥蚀 Al-Li合金 电化学阻抗谱(EIS) |
Electrochemical Impedance Spectroscopy during Exfoliation Corrosion Process of 2B96K Al-Li Alloy |
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| LI Yu-qi,HU Zhi-liu,JIANG Hong-jie.Electrochemical Impedance Spectroscopy during Exfoliation Corrosion Process of 2B96K Al-Li Alloy[J].Corrosion & Protection,2009,30(5). |
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| Authors: | LI Yu-qi HU Zhi-liu JIANG Hong-jie |
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| Affiliation: | Guangxi University;Nanning 530004;China |
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| Abstract: | The electrochemical impedance spectroscopy(EIS) during exfoliation corrosion process of 2B96K Al-Li alloy with different aging treatments in EXCO solution was studied.At the beginning of corrosion,the EIS was comprised of a capacitive arc and an inductive loop.Once exfoliation corrosion occurred,two capacitive arcs appeared.The longer appearance time of two capacitive arcs of the under-aged alloy indicated its slower corrosion development.The simulated EIS analysis was done,the information such as developin... |
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