| 镍铁合金的微观结构及其在3.5%氯化钠溶液中的腐蚀行为 |
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| 引用本文： | 张郁彬,苏长伟,张长科,周俊,何凤姣. 镍铁合金的微观结构及其在3.5%氯化钠溶液中的腐蚀行为[J]. 电镀与涂饰, 2009, 28(12) |
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| 作者姓名： | 张郁彬 苏长伟 张长科 周俊 何凤姣 |
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| 作者单位： | 湖南大学化学化工学院,湖南,长沙,410082 |
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| 摘 要： | 采用极化曲线、电化学阻抗谱和腐蚀失重等方法,研究了含铁50%(质量分数)以下的镍铁舍金在3.5%NaCl溶液中的腐蚀行为.结果表明,所研究的镍铁合金均出现钝化行为.随着镀层中铁含量的增加,镍铁合金的耐蚀性能先减弱后增强.含铁36%的镍铁合金具有最好的耐蚀性.
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| 关 键 词： | 镍铁合金 电镀 微观结构 氯化钠 腐蚀 极化曲线 电化学阻抗谱 |
Microstructure of Ni-Fe alloy and its corrosion behavior in 3.5%NaCl solution |
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| ZHANG Yu-bin,SU Chang-wei,ZHANG Chang-ke,ZHOU Jun,HE Feng-jiao. Microstructure of Ni-Fe alloy and its corrosion behavior in 3.5%NaCl solution[J]. Electroplating & Finishing, 2009, 28(12) |
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| Authors: | ZHANG Yu-bin SU Chang-wei ZHANG Chang-ke ZHOU Jun HE Feng-jiao |
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| Affiliation: | ZHANG Yu-bin,SU Chang-wei,ZHANG Chang-ke,ZHOU Jun,HE Feng-jiao College of Chemistry , Chemical Engineering,Hunan University,Changsha 410082,China |
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| Abstract: | The corrosion behavior of Ni-Fe alloys with Fe content below 50 wt%in 3.5%NaCl solution was studied by anodic polarization curve,electrochemical impedance spectroscopy and weight loss method.The results showed that all alloys undergo passivation.The corrosion resistance of Ni-Fe alloy decreases initially and then increases with increasing Fe content.The Ni-Fe alloy containing 36 wt%Fe has optimal corrosion resistance. |
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| Keywords: | nickel-iron alloy electroplating microstructure sodium chloride corrosion polarization curve electrochemical impedance spectroscopy |
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