Preparation of Ni-ZrO2-CeO2 Nanocomposite Coatings by Pulse Electrodeposition

Yang Yang Xu; Yu Jun Xue; Fang Yang; Chun Yang Liu; Ji Shun Li

doi:10.4028/www.scientific.net/AMM.395-396.174

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 395-396Preparation of Ni-ZrO2-CeO2 Nanocomposite Coatings...

Preparation of Ni-ZrO₂-CeO₂ Nanocomposite Coatings by Pulse Electrodeposition

Abstract:

Ni-ZrO₂-CeO₂ nanocomposite coatings were prepared by pulse electrodeposition. The effect additions of ZrO₂and CeO₂nanoparticles, average current density, duty ratio and frequency of pulse current on nanoparticle contents of Ni-ZrO₂-CeO₂nanocomposites were studied. The surface morphologies and microhardness of different nanocomposite coatings (Ni-ZrO₂, Ni-CeO₂, Ni-ZrO₂-CeO₂) were analyzed. The results show that, with the average current density, duty ratio and frequency increased, the nanoparticle contents increased at first and then decreased. Compared with Ni-ZrO₂ and Ni-CeO₂, the surface morphology of Ni-ZrO₂-CeO₂ nanocomposite coating showed better smooth surface and more compact microstructure, the microhardness was also higher.

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Periodical:

Applied Mechanics and Materials (Volumes 395-396)

Pages:

174-178

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.395-396.174

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Online since:

September 2013

Authors:

Yang Yang Xu, Yu Jun Xue, Fang Yang, Chun Yang Liu, Ji Shun Li

Keywords:

Electrodeposition, Nanocomposite Coatings, Ni-ZrO₂-CeO₂, Pulse Current

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