Corrosion Resistance of Ni-ZrO2 Nanocomposite Coating Prepared by Pulse Electrodeposition with Rotating Cathode in an Ultrasonic Field

Ya Fang Tian; Xian Hui Li; Zheng Hong Ao; Yu Jun Xue

doi:10.4028/www.scientific.net/AMM.278-280.422

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 278-280Corrosion Resistance of Ni-ZrO2 Nanocomposite...

Corrosion Resistance of Ni-ZrO₂ Nanocomposite Coating Prepared by Pulse Electrodeposition with Rotating Cathode in an Ultrasonic Field

Abstract:

The Ni- ZrO₂ nanocomposite coatings were prepared by pulse electrodeposition with rotating cathode in an ultrasonic field, and the corrosion resistance of the coatings were studied in 5% H₂SO₄. The surface morphologies of composite coatings after corrosion were analyzed by scanning electron microscope (SEM). And corrosion rate was tested using an electronic balance. The results shows that, compared with pure Ni coating, pulse current composite coating and pulse current composite coating with ultrasound, the Ni-ZrO₂ nanocomposite coating prepared by pulse electrodeposition with rotating cathode in an ultrasonic field has more uniform micro-structure, more compacted grain and lower corrosion rate. Peculiarly, it exhibits excellent corrosion resistance.

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Periodical:

Applied Mechanics and Materials (Volumes 278-280)

Pages:

422-425

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.278-280.422

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Online since:

January 2013

Authors:

Ya Fang Tian, Xian Hui Li, Zheng Hong Ao, Yu Jun Xue

Keywords:

Corrosion Resistance, Nanocomposite Coatings, Rotating Cathode, Ultrasound (US), ZrO₂ Nanoparticle

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