| 2A12铝合金表面聚苯胺/阳极氧化膜复合层电化学性能研究 |
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| 引用本文： | 钱建才,李兵,敖辽辉,邹洪庆.2A12铝合金表面聚苯胺/阳极氧化膜复合层电化学性能研究[J].表面技术,2009,38(5):20-22,89. |
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| 作者姓名： | 钱建才 李兵 敖辽辉 邹洪庆 |
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| 作者单位： | 中国兵器工业第五九研究所,重庆,400039;中国电子科技集团公司第十研究所,四川,成都,610036 |
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| 摘 要： | 采用电化学共沉积技术在2Al2铝合金表面制备聚苯胺／阳极氧化膜复合层。利用傅立叶红外光谱技术（FTIR）对制备的膜层进行分析；利用极化曲线，交流阻抗技术对制备的膜层在3．5％NaCl溶液中的电化学行为进行研究。FTIR分析结果表明，制备的膜层有聚苯胺生成。Tafel曲线研究表明，制备的膜层可以明显提高2Al2铝合金的自腐蚀电位，显著减小自腐蚀电流。交流阻抗研究表明，聚苯胺主要沉积在阳极氧化膜层多孔层的微孔内，聚苯胺对复合膜层的阻挡层有很好的修复作用，通过聚苯胺的修复可以明显减少复合膜层阻挡层缺陷，增加阻挡层电阻。
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| 关 键 词： | 2A12铝合金 聚苯胺 阳极氧化 极化曲线 交流阻抗 |
Electrochemical Behavior of Polyaniline-anodized Composite Coating on 2A12 Aluminium Alloy |
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| QIAN Jian-cai,LI Bing,AO Liao-hui,ZOU Hong-qin.Electrochemical Behavior of Polyaniline-anodized Composite Coating on 2A12 Aluminium Alloy[J].Surface Technology,2009,38(5):20-22,89. |
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| Authors: | QIAN Jian-cai LI Bing AO Liao-hui ZOU Hong-qin |
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| Affiliation: | QIAN Jian-cai1,LI Bing1,AO Liao-hui2,ZOU Hong-qin1 (1.NO.59 Institute of China Ordnance Industry,Chongqing 400039,China,2.NO.10 Research Institute of China Electronics Technology Group Corporation,Chengdu 610036,China) |
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| Abstract: | Polyaniline-anodized composite coating was prepared on 2A12 aluminium alloy surface by electrochemical codeposition method.The prepared composite coating was analyzed and characterized by fourier-transform-infrared(FT-IR) spectra.The electrochemical behavior of prepared composite coating in 3.5% Nacl were investigated by polarization curve and AC impedance spectroscopic measurements.FTIR spectra analyzed results indicate that polyaniline exists in the prepared composite coating.Tafel polarization curve resu... |
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| Keywords: | 2A12 Aluminium Alloy Polyaniline Anodizing Polarization curve AC-impedance |
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