| 汽车用钢板纳米晶镀锌层在氯化钠溶液中的腐蚀机理 |
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| 引用本文： | 苏永其,刘瑞,姚锦元,汪红,蒋为桥,丁桂甫.汽车用钢板纳米晶镀锌层在氯化钠溶液中的腐蚀机理[J].电镀与涂饰,2011,30(1):10-13. |
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| 作者姓名： | 苏永其 刘瑞 姚锦元 汪红 蒋为桥 丁桂甫 |
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| 作者单位： | 上海交通大学微纳科学技术研究院薄膜与微细加工技术教育部重点实验室微米/纳米加工国家重点实验室;中国科学院苏州纳米技术与纳米仿生研究所国际实验室; |
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| 基金项目： | 上海市科委科研计划项目(0852nm02600) |
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| 摘 要： | 将汽车用钢板置于碱性镀锌液中电镀,制备了纳米晶镀锌层.采用场发射扫描电子显微镜(FE-SEM)观察镀锌层在3.5%NaCl溶液中腐蚀前后的表面形貌,以能谱仪(EDS)研究腐蚀产物组成,运用塔菲尔(Tafel)曲线和电化学阻抗谱(EIS)考察纳米晶镀锌层的电化学腐蚀行为.结果表明,镀锌层由直径为80～100 nm的针状结...
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| 关 键 词： | 镀锌 纳米晶镀层 钢板 腐蚀机理 腐蚀电流密度 电化学阻抗谱 |
Corrosion mechanism of nanocrystalline zinc coating on steel sheet used for automobile in NaCl solution |
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| SU Yong-qi,LIU Rui,YAO Jin-yuan,WANG Hong,JIANG Wei-qiao,DING Gui-fu.Corrosion mechanism of nanocrystalline zinc coating on steel sheet used for automobile in NaCl solution[J].Electroplating & Finishing,2011,30(1):10-13. |
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| Authors: | SU Yong-qi LIU Rui YAO Jin-yuan WANG Hong JIANG Wei-qiao DING Gui-fu |
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| Affiliation: | SU Yong-qi,LIU Rui,YAO Jin-yuan,WANG Hong,JIANG Wei-qiao,DING Gui-fu National Key Laboratory of Micro/Nano Fabrication Technology,Key Laboratory for Thin Film and Microfabrication Technology of Ministry of Education,Research Institute of Micro/Nano Science and Technology,Shanghai Jiao Tong University,Shanghai 200240,China |
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| Abstract: | An nanocrystalline zinc coating was prepared on steel sheet used for automobile in alkaline zinc plating bath.The surface morphology of the zinc coating before and after corrosion in 3.5% NaCl solution was observed with field emission scanning electron microscope(FE-SEM),and the chemical composition of the corrosion products was analyzed by energy-dispersive spectroscopy(EDS).The electrochemical corrosion behavior of nanocrystalline zinc coating was studied by Tafel polarization and electrochemical impedanc... |
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| Keywords: | zinc plating nanocrystalline coating corrosion mechanism corrosion current density |
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