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Surface Engineering Volume 32, 2016 - Issue 1
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Research Article

Preparation and corrosion resistance of ZnO/CeO2 composite films

D. Y. WangState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao, 149-1 Zhuzhou Road 266101, China;Institute of Materials Science and Engineering, Ocean University of China, 238 Songling Road 266100, China
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Z. F. LinState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao, 149-1 Zhuzhou Road 266101, ChinaCorrespondence[email protected]
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X. B. LiState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao, 149-1 Zhuzhou Road 266101, China
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W. H. ChengState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao, 149-1 Zhuzhou Road 266101, China
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Y. B. FuInstitute of Materials Science and Engineering, Ocean University of China, 238 Songling Road 266100, China
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L. K. XuState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao, 149-1 Zhuzhou Road 266101, China
Pages 32-37 | Received 08 Jan 2014, Accepted 19 Jul 2014, Published online: 01 Aug 2014
 
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Abstract

Zinc oxide/cerium oxide (ZnO/CeO2) composite films were fabricated on zinc surfaces by electrochemical oxidation at different current densities. Scanning electron microscopy and X-ray photoelectron spectroscopy were used to investigate the surface compositions and morphologies of the films. Corrosion resistance was analysed using polarisation curves, open-circuit potential and electrochemical impedance spectroscopy. The X-ray photoelectron spectra showed that the films were composed of ZnO and CeO2. Evaluation of corrosion revealed that the samples with composite films had lower corrosion rates. On the basis of these findings, ZnO/CeO2 composites have potential as anticorrosion films for zinc.

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