Skip to main content
SpringerLink
Log in

Microstructure and corrosion resistance of modified AZ31 magnesium alloy using microarc oxidation combined with electrophoresis process

  • Published:
Journal of Wuhan University of Technology-Mater. Sci. Ed. Aims and scope Submit manuscript

Abstract

A top electrophoresis coating was deposited on the surface microarc oxidation (MAO) modified ceramic coating on AZ31 magnesium alloy. Microstructure and corrosion resistance of this composite coating were studied by SEM, electrochemical potentiodynamic polarization, and acid corrosion test. The results showed that the composite coating with a top electrophoresis coating on the surface of ceramic coating exhibited a better corrosion resistance compared with the coating formed by chemical conversion film combined with electrophoresis process. Corrosive ions could permeate into the substrate with corrosion time, and the composite coating was firstly destroyed around the scratch. The formation of composite coating with a higher adhesive force due to the porosity of the ceramic coating contributed to the improved corrosion resistance property.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. J Liang, L T Hu, J C Hao. Improvement of Corrosion Properties of Microarc Oxidation Coating on Magnesium Alloy by Optimizing Current Density Parameters[J]. Appl. Surf. Sci., 2007, 253(16): 6 939–6 945

    Article  CAS  Google Scholar 

  2. F Chen, H Zhou, B Yao, et al. Corrosion Resistance Property of the Ceramic Coating Obtained through Microarc Oxidation on the AZ31 Magnesium Alloy Surfaces[J]. Surf. Coat. Technol., 2007, 201(9–11): 4 905–4 90

    CAS  Google Scholar 

  3. J Liang, L T Hu, J C Hao. Characterization of Microarc Oxidation Coatings Formed on AM60B Magnesium Alloy in Silicate and Phosphate Electrolytes[J]. Appl. Surf. Sci., 2007, 253(10): 4 490–4 968

    Article  CAS  Google Scholar 

  4. L Wen, Y m Wang, Y Zhou. et al. Microstructure and Corrosion Resistance of Modified 2024 Al Alloy using Surface Mechanical Attrition Treatment Combined with Microarc Oxidation Process[J]. Corros. Sci., 2011, 53(1): 473–480

    Article  CAS  Google Scholar 

  5. Y M Wang, L X Guo, J H Ouyang, et al. Interface Adhesion Properties of Functional Coatings on Titanium Alloy Formed by Microarc Oxidation Method [J]. Appl. Surf. Sci., 2009, 255(15): 6 875–6 880

    CAS  Google Scholar 

  6. W B Xue, X L Shi, M Hua, et al. Preparation of Anti-corrosion Films by Microarc Oxidation on An Al-Si Alloy[J]. Appl. Surf. Sci., 2007, 253(14): 6 118–6 124

    Article  CAS  Google Scholar 

  7. J M Li, H Cai, X N Xue, et al. The Outward-inward Growth Behavior of Microarc Oxidation Coatings in Phosphate and Silicate Solution [J]. Mater Letts., 2010, 64(19): 2 102–2 104

    CAS  Google Scholar 

  8. S Verdier, M Boinet, S Maximovitch, et al. Formation, Structure and Composition of Anodic Films on AM60 Magnesium Alloy Obtained by DC Plasma Anodising [J]. Corros. Sci., 2005, 47(6): 1 429–1 444

    Article  CAS  Google Scholar 

  9. V N Malyshev, K M Zorin. Features of Microarc Oxidation Coatings Formation Technology in Slurry Electrolytes[J]. Appl. Surf. Sci., 2007, 254(5): 1 511–1 516

    Article  CAS  Google Scholar 

  10. Y J Zhang, C W Yan, F H Wang, et al. Study on the Environmentally Friendly Anodizing of AZ91D Magnesium Alloy [J]. Surf. Coat. Technol., 2002, 161(1): 36–43

    Article  CAS  Google Scholar 

  11. Y M Wang, B L Jiang, T Q Lei, et al. Microarc Oxidation and Spraying Graphite Duplex Coating Formed on Titanium Alloy for Antifriction Purpose[J]. Appl. Surf. Sci., 2005, 246(1–3): 214–221

    Article  CAS  Google Scholar 

  12. P Shi, W F Ng, M H Wong, et al. Improvement of Corrosion Resistance of Pure Magnesium in Hanks’ Solution by Microarc Oxidation with Sol-gel TiO2 Sealing[J]. J. Alloys Compd., 2009, 469(1–2): 286–292

    Article  CAS  Google Scholar 

  13. H Y Shi, W Yang, B L Jiang. Composite Technology and Coatings Obtained by Micro-arc Oxidation and Electrophoresis of AZ31 Mg-based Alloy[J]. Journal of Chinese Society for Corrosion and Protection, 2008, 28(3): 155–160

    CAS  Google Scholar 

  14. C E Barchiche, E Rocca, J Hazan. Corrosion Behaviour of Sn-containing Oxide Layer on AZ91D Alloy Formed by Plasma Electrolytic Oxidation[J]. Surf. Coat. Technol., 2008, 202(17): 4 145–4 152

    Article  CAS  Google Scholar 

  15. H F Guo, M Z An. Effect of Surfactants on Surface Morphology of Ceramic Coatings Fabricated on Magnesium Alloys by Micro-arc Oxidation [J]. Thin Solid Films, 2006, 500(1–2): 186–189

    Article  CAS  Google Scholar 

  16. H P Duan, K Q Du, C W Yan, et al. Electrochemical Corrosion Behavior of Composite Coatings of Sealed MAO Film on Magnesium Alloy AZ91D[J]. Electrochim. Acta, 2006, 51(14): 2 898–2 908

    Article  CAS  Google Scholar 

  17. D Wu, X D Liu, K Lu, et al. Influence of C3H8O3 in the Electrolyte on Characteristics and Corrosion Resistance of the Microarc Oxidation Coatings Formed on AZ91D Magnesium Alloy Surface [J]. Appl. Surf. Sci., 2009, 255(16): 7 115–7 120

    Article  CAS  Google Scholar 

  18. R C Barik, J A Wharton, R J K. Wood, et al. Corrosion, Erosion and Erosion-corrosion Performance of Plasma Electrolytic Oxidation (PEO) Deposited Al2O3 Coatings[J]. Surf. Coat. Technol., 2005, 199(2–3): 158–167

    Article  CAS  Google Scholar 

  19. C Liu, Q Bi, A Leyland, et al. An Electrochemical Impedance Spectroscopy Study of the Corrosion Behaviour of PVD Coated Steels in 0.5 N NaCl Aqueous Solution: Part II.: EIS Interpretation of Corrosion Behaviour [J]. Corros. Sci., 2003, 45(6): 1 257–1 273

    CAS  Google Scholar 

  20. V Moutarlier, M P Gigandet, B Normand, et al. EIS Characterisation of Anodic Films Formed on 2024 Aluminium Alloy, in Sulphuric Acid Containing Molybdate or Permanganate Species[J]. Corros. Sci., 2005, 47(4): 937–951

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. School of Materials Science and Chemical Engineering, Xi’an Technological University, Xi’an, 710032, China

    Wei Yang  (杨巍), Ping Wang, Yongchun Guo  (郭永春) & Jianping Li

  2. School of Materials Science and Engineering, Xi’an University of Technology, Xi’an, 710048, China

    Bailing Jiang & Fei Yang

Authors
  1. Wei Yang  (杨巍)
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Ping Wang
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Yongchun Guo  (郭永春)
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Bailing Jiang
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Fei Yang
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Jianping Li
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Yongchun Guo  (郭永春).

Additional information

Funded by the National Natural Science Foundation of China (No. 51201176) and Industrialization Project of Education Department of Shanxi Province (No.2012JC13)

Rights and permissions

Reprints and permissions

About this article

Cite this article

Yang, W., Wang, P., Guo, Y. et al. Microstructure and corrosion resistance of modified AZ31 magnesium alloy using microarc oxidation combined with electrophoresis process. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 28, 612–616 (2013). https://doi.org/10.1007/s11595-013-0739-9

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11595-013-0739-9

Key words

Search

Navigation