| ZHENG Zhen,LI Ning,LI De-yu,MENG Fan-yu.Effect of CeO2 on the Property of Zn-Ni/CeO2 Composite Coating[J],(4):23-26 |
| Effect of CeO2 on the Property of Zn-Ni/CeO2 Composite Coating |
| Received:June 19, 2012 Revised:August 20, 2012 |
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| DOI： |
| KeyWord:composite co-deposition CeO2 Zn-Ni alloy composite coating corrosion resistance |
| Author | Institution |
| ZHENG Zhen |
School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin , China |
| LI Ning |
School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin , China |
| LI De-yu |
School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin , China |
| MENG Fan-yu |
School of Municipal & Environmental Engineering, Harbin Institute of Technology, Harbin , China |
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| Abstract: |
| The Ni-Zn/micro-CeO2 composite material and Ni-Zn/nano-CeO2 composite material were produced by electrodeposition method through adding micro- and nano-CeO2 particles in the Zn-Ni plating bath. The effects of the diameter and the concentration of the CeO2 particles on the microtopography, phase component, CeO2 content and the corrosion resistance of the Ni-Zn coating were studied. The result shows that when the concentration of the CeO2 particles is high, the Ni deposition is inhibited; The composite coatings are characterized with laminate morphology with good corrosion resistance. When the concentration of the nano-CeO2 particles is 10g/L, the major alloy phase is Ni2Zn11. Compared with the nano-composite coating, the CeO2 content is larger in the micro-CeO2 composite coating. But the corrosion resistance of the nano-CeO2 composite coating is larger than that of the micro-CeO2 ones. |
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