Abstract
In this paper, the effect of CeO2 nanoparticles content in the bath on the weight percent of CeO2 particles, morphology, texture, and high temperature oxidation resistance of the nanocomposite coatings was examined. With a rise in the loadings of CeO2 particles in the bath from 10 gl-1 to 40 gl-1, the CeO2 particles weight percent in the nanocomposite coatings gradually increases. Further increased the loadings of particles in the bath to 50 gl-1, the weight percent reversely reduces. The maximum of CeO2 nano particles weight percent in the nanocomposite coatings is 4.98 wt% obtained at current density of 3 Adm-2 from the bath containing 40 gl-1 CeO2 particles. The high temperature oxidation resistance of Ni-CeO2 nanocomposite coatings significantly rise compared with that of bare nickel coatings, and enhanced with a rise in the loadings of CeO2 nano particles from 10 gl-1 to 30 gl-1. The wear resistance of deposits is also consist with the nanoparticles content in the bath。
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