Effect of Ultrasound Action Modes on the Oxidation Resistance of Ni-Nd2O3 Nanocomposite Coatings

Xian Hui Li; Yu Jun Xue; De Ying Zhang; Ji Shun Li

doi:10.4028/www.scientific.net/AMM.120.280

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 120Effect of Ultrasound Action Modes on the Oxidation...

Effect of Ultrasound Action Modes on the Oxidation Resistance of Ni-Nd₂O₃ Nanocomposite Coatings

Abstract:

The Ni-Nd₂O₃ nanocomposite coatings were prepared by electrodeposition with different modes of ultrasound action. The surface morphology and co-deposited Nd₂O₃ content of Ni-Nd₂O₃ nanocomposite coatings were analyzed by scanning electron microscopy (SEM). The microstructure of Ni-Nd₂O₃ nanocomposite coatings after oxidation was examined. The oxidation resistance of the coatings prepared by different electrodeposition methods was comparatively investigated. The results show that the content of Nd₂O₃ nanoparticles greatly influences the oxidation resistance of nanocomposite coatings. The nanocomposite coating has an excellent oxidation resistance with the increased content of Nd₂O₃ nanoparticles. Meanwhile, Nd₂O₃ nanoparticles and ultrasound can significantly affect the microstructure and the oxidation resistance of Ni-Nd₂O₃ nanocomposite coatings. The Ni-Nd₂O₃ coating prepared by electrodeposition with dual-frequency ultrasound action has finer grains and denser structure and exhibits a superior oxidation resistance compared with the other coatings.

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Periodical:

Applied Mechanics and Materials (Volume 120)

Pages:

280-283

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.120.280

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Online since:

October 2011

Authors:

Xian Hui Li, Yu Jun Xue, De Ying Zhang, Ji Shun Li

Keywords:

Nanocomposite Coatings, Nd₂O₃ Nanoparticle, Oxidation Resistance, Ultrasound (US)

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