| 邻苯二甲酸氢钾-硼酸盐电解液中AZ91D镁合金的阳极氧化(英文) |
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| 引用本文： | 刘妍,杨富巍,卫中领,张昭.邻苯二甲酸氢钾-硼酸盐电解液中AZ91D镁合金的阳极氧化(英文)[J].中国有色金属学会会刊,2012,22(7):1778-1785. |
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| 作者姓名： | 刘妍 杨富巍 卫中领 张昭 |
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| 作者单位： | 浙江大学化学系;天水师范学院化学系;中国科学院镁合金技术中心 |
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| 基金项目： | Projects (50771092,21073162) supported by the National Natural Science Foundation of China;Project (08JC1421600) supported by the Science and Technology Commission of Shanghai,China;Project (2008AZ2018) supported by the Science and Technology Bureau of Jiaxing,China |
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| 摘 要： | 研究 AZ91D 镁合金在邻苯二甲酸氢钾-硼酸盐碱性环保型电解液中的阳极氧化行为。考察邻苯二甲酸氢钾对阳极氧化膜层性能的影响,并利用扫描电镜(SEM)、X 射线衍射(XRD)、动电位极化和电化学阻抗(EIS)进行分析表征。结果表明,邻苯二甲酸氢钾的浓度对阳极氧化成膜过程,氧化膜的表面形貌、厚度、相结构和耐腐蚀性能都有重要影响。在硼酸盐电解液中加入适量的邻苯二甲酸氢钾以后,制得的阳极氧化膜表面光滑、致密,与镁合金基体的结合力强,具有优异的耐腐蚀性能。
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| 关 键 词： | 阳极氧化 镁合金 邻苯二甲酸氢钾 环保型电解液 腐蚀性能 |
| 收稿时间： | 19 July 2011 |
Anodizing of AZ91D magnesium alloy using environmental friendly alkaline borate-biphthalate electrolyte |
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| LIU Yan,YANG Fu-wei,WE I Zhong-ling,ZHANG Zhao.Anodizing of AZ91D magnesium alloy using environmental friendly alkaline borate-biphthalate electrolyte[J].Transactions of Nonferrous Metals Society of China,2012,22(7):1778-1785. |
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| Authors: | LIU Yan YANG Fu-wei WE I Zhong-ling ZHANG Zhao |
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| Affiliation: | 1.Department of Chemistry,Zhejiang University,Hangzhou 310027,China;2.Department of Chemistry,Tianshui Normal University,Tianshui 741000,China;3.Magnesium Technology Co.,Ltd.,Chinese Academy of Sciences,Jiaxing 314051,China |
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| Abstract: | A kind of environmental friendly anodizing routine for AZ91D magnesium alloy,based on an alkaline borate-potassium acid phthalate(KAP) electrolyte,was studied.The effect of KAP on the properties of the anodized film was investigated by scanning electron microscopy(SEM),X-ray diffraction(XRD),energy dispersive spectrometry(EDS),potentiodynamic polarization and electrochemical impedance spectroscopy(EIS),respectively.The results showed that the anodizing process,surface morphology,thickness,phase structure and corrosion resistance of the anodized film were strongly dependent on the concentration of KAP.In the presence of adequate KAP,a compact and smooth anodized film with excellent corrosion resistance was obtained. |
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| Keywords: | anodizing magnesium alloy potassium acid phthalate environmental friendly electrolyte corrosion performance |
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