采用交流阻抗法研究了工业纯铝L3阳极氧化膜在去离子水中的自封闭效应,并结合等效电路分析了氧化膜多孔层与阻挡层电化学参数的变化.结果表明,未封闭的阳极氧化膜在去离子水中浸泡初期存在一个明显的自封闭过程,导致阳极氧化膜在浸泡初期的耐蚀性提高.
参考文献
[1] | 孙宝德 .铝及铝合金防腐蚀表面处理技术的研究现状与发展[J].腐蚀与防护,1998,19(05):195-198. |
[2] | 旷亚非,许岩,李国希.铝及其合金材料表面处理研究进展[J].电镀与精饰,2000(01):16-20. |
[3] | Patermarakis G;Papandreadis N .Effect of the structure of porous anodic Al2O3 films on the mechanism of their hydrothermal treatment[J].Electrochimica Acta,1993,38(10):1413-1420. |
[4] | Celati N;Sainte Catherine M C;Keddam M et al.Electrchemical impedance spectroscopy characterization of the protection by anodized layers on aluminium alloys[J].Materials Science Forum,1995,192-194:335-344. |
[5] | V. Lopez;E. Otero;A. Bautista;J. A. Gonzalez .Sealing of anodic films obtained in oxalic acid baths[J].Surface & Coatings Technology,2000(1):76-84. |
[6] | Bautista A.;Gonzalez JA.;Lopez V. .Influence of triethanolamine additions on the sealing mechanism of anodised aluminium[J].Surface & Coatings Technology,2002(1):49-54. |
[7] | Gonzalez JA;Bautista A;Otero E;Novoa XR;Lopez V .Characterization of porous aluminium oxide films from a.c. impedance measurements[J].Journal of Applied Electrochemistry,1999(2):229-238. |
[8] | Fanny S;Christime B;Georges M et al.Characterisation of sealed anodic films on 7050 T74 and 2214 T6 aluminum alloys[J].Surface and Coatings Technology,2002,154(01):94-103. |
[9] | Zuo Y.;Zhao PH.;Zhao JM. .The influences of sealing methods on corrosion behavior of anodized aluminum alloys in NaCl solutions[J].Surface & Coatings Technology,2003(2/3):237-242. |
[10] | Gonzalez J A;Morcillo M;Escudero E et al.Atmospheric corrosion of bare and anodized aluminum in a wide range of environmental conditions,Part Ⅱ:Electrochemical responses[J].Surface and Coatings Technology,2002,153(02):235-244. |
[11] | Lopez V;Gonzalez J A;Bautista A et al.The response of anodized materials sealed in acetate-containing baths to atmospheric exposure[J].Corrosion Science,1998,40(04):693-704. |
[12] | Gonzalez J A;Bautista A;Otero E et al.The response of anodized materials sealed in acetate-containing baths to atmospheric exposure[J].Corrosion Science,1998,40(04):693-704. |
[13] | 赵旭辉,左禹,赵景茂.铝阳极氧化膜在NaCl溶液中的电化学性能[J].中国有色金属学报,2004(04):562-567. |
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