Abstract
Many studies have been conducted in recent decades to find a suitable environmentally anticorrosive alternative to chromate for corrosion protection. In this paper, rare earth lanthanum-based conversion coating was prepared by self-assembly multi-step method, and then graphene oxide was spin-coated on the surface of lanthanum-based conversion coating by a spin coating method. The composite coating was coated by a silane coupling agent with better adhesion and coating, and the composite coating (La/GO/GLYMO) with excellent corrosion resistance was prepared. The surface of La/GO/GLYMO is smooth and crack-free, and coated with graphene oxide can effectively improve the corrosion resistance of the material.
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This work was supported by the Program of Natural Science Foundation of Ningxia (grant no. 2020AAC03193).
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Zhongli Zou designed all the experiments. Manzu Xu and Linmeng Ma conducted the detail research. Manzu Xu wrote the first draft of the manuscript. Zhongli Zou provided technical editing of the manuscript. All authors discussed the results and approved the final manuscript.
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Zhongli Zou, Xu, M. & Ma, L. Corrosion Resistance of Multistep Doped Graphene Oxide/Lanthanum-Based/Silane Composite Coatings on the Magnesium Alloys. Prot Met Phys Chem Surf 59, 524–532 (2023). https://doi.org/10.1134/S2070205123700557
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DOI: https://doi.org/10.1134/S2070205123700557