Effect of current density and ZnO nano particles influence on the microstructure and mechanical strengthening properties of Zn-TiO2-ZnO alloys at constant deposition time
by A.A. Daniyan; O.S.I. Fayomi; L.E. Umoru; A.P.I. Popoola
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 9, No. 1, 2018

Abstract: In this work, the effect of current density and particle loading on microstructure and mechanical properties of Zn-TiO2-ZnO nanocomposite produced via electrocodeposition are investigated. The morphological characteristics of the nano-composite coatings were characterised by scanning electron microscope (SEM) equipped with energy dispersive spectrometer (EDS). Mechanical examination was carried out using Dura scan micro-hardness tester and CERT UMT-2 multi-functional tribological tester. The corrosion properties were evaluated using linear polarisation technique in 3.5% NaCl. The result showed that the coatings exhibited good stability and the quantitative particle loading significantly improved the micro-structural properties of the coating. It is also noticed that the hardness performance and corrosion resistance of the coatings were significantly impacted with over 70% improvement as against the as-received samples.

Online publication date: Fri, 08-Jun-2018

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