Preparation and Numerical Simulation of Ni-SiC Composite Coatings Deposited by Electrodeposition

Abstract:

In order to investigate and predict effects of preparation parameters on wear mass loss of Ni-SiC composite coatings, Ni coatings and Ni-SiC composite coatings were prepared on steel substrates by electrodeposition process. The results showed that the contents of SiC particles increased with density of pulse current and on-duty ratio of pulse current increasing. The predictive curves of wear mass losses predicted by ANN had the similar shapes with the measured curve, and the maximum error was 9.7%. When the current density was between 30 A/dm2 and 50 A/dm2, the wear losses of Ni coatings and Ni-SiC coatings decreased with the increase of current density. SiC particles in a composite coating electrodeposited by ultrasonic parameters were much greater in number and were dispersed homogeneously in the deposit, and the Ni-SiC composite coating exhibited a dense structure.

• Periodical: Applied Mechanics and Materials (Volumes 543-547)
• Pages: 3707-3710
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.543-547.3707
• Online since: March 2014
• Authors: Yong Wang*, Lei Zhang
• Keywords: Electrodeposition, Ni-SiC, Numerical Simulation, Preparation

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