Corrosion resistance of a silane/ceria modified Mg-Al-layered double hydroxide on AA5005 aluminum alloy

  • Wei Wu
  • Fen ZhangEmail author
  • Yu-Chao Li
  • Yong-Feng Zhou
  • Qing-Song Yao
  • Liang SongEmail author
  • Rong-Chang Zeng
  • Sie Chin Tjong
  • Dong-Chu Chen
Research Article


The present work aimed at assessing the electrochemical behavior and the corrosion inhibition performance of Mg-Al-layered double hydroxide (LDH) coatings modified with methyltrimethoxysilane (MTMS) and cerium nitrate on AA5005 aluminum alloy. The chemical compositions and surface morphologies of the coatings were investigated by XRD, FT-IR and FE-SEM, while their corrosion resistance was evaluated by electrochemical and immersion tests. An optimum corrosion resistance of the composite coatings was obtained by adding 10−2 mol·L−1 cerium nitrate. An excess addition of cerium nitrate resulted in a loose structure and poor corrosion resistance of the coating. The corrosion mechanism of the composite coatings was proposed and discussed.


aluminum alloy layered double hydroxide polymer coating cerium oxide corrosion resistance 


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This work was supported by the National Natural Science Foundation of China (Grant Nos. 51601108 and 21676285), the Natural Science Foundation of Shandong Province (Grant No. ZR2019MB053), the Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents (2017RCJJ015), and the SDUST Research Fund (No. 2014TDJH104).


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Wei Wu
    • 1
  • Fen Zhang
    • 1
    Email author
  • Yu-Chao Li
    • 2
  • Yong-Feng Zhou
    • 1
  • Qing-Song Yao
    • 1
  • Liang Song
    • 1
    Email author
  • Rong-Chang Zeng
    • 1
    • 3
  • Sie Chin Tjong
    • 4
  • Dong-Chu Chen
    • 5
  1. 1.College of Materials Science and EngineeringShandong University of Science and TechnologyQingdaoChina
  2. 2.School of Materials Science and EngineeringLiaocheng UniversityLiaochengChina
  3. 3.School of Materials Science and EngineeringZhengzhou UniversityZhengzhouChina
  4. 4.Department of PhysicsCity University of Hong KongHong KongChina
  5. 5.School of Materials Science and Energy EngineeringFoshan UniversityFoshanChina

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