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Vol. 29 No. 12 (2017): Vol 29 Issue 12

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Study of Particle Incorporation and Performance Characteristic of Aluminium Silicate-Zirconia Embedded on Zinc Rich Coatings for Corrosion and Wear Performance

https://doi.org/10.14233/ajchem.2017.20659
O.S.I. Fayomi
Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, P.M.B. X680, Pretoria, South Africa; Department of Mechanical Engineering, Covenant University, P.M.B 1023, Ota, Ogun State, Nigeria
A.P.I. Popoola
Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, P.M.B. X680, Pretoria, South Africa
O.O. Ige
Department of Materials Science and Engineering, Obafemi Awolowo University, Ile-Ife, P.O BOX 220282, Osun State, Nigeria
A.A. Ayoola
Department of Chemical Engineering, Covenant University, P.M.B 1023, Ota, Ogun State, Nigeria

Corresponding Author(s) : O.S.I. Fayomi

ojosundayfayomi3@gmail.com; ojo.fayomi@covenantuniversity.edu.ng

Asian Journal of Chemistry, Vol. 29 No. 12 (2017): Vol 29 Issue 12

Abstract

Composite coatings of Zn-Al6O13Si2 and Zn-Al6O13Si2-ZrO2 were electroplated on mild steel from Zn2+ ions bath and homogeneously dispersed nano Al6O13Si2-ZrO2 particulates were achieved. The corrosion resistance characteristics of the deposited coatings were evaluated by linear polarization method. The microstructural properties of the multilayer produce coatings were examined by scanning electron microscope equipped with energy dispersive spectrometer, X-ray diffraction and atomic force microscope. The thermal deformation were observed in 250 ºC for 4 h and mechanical properties of the composite coatings were investigated using diamond base Dura scan micro-hardness tester. From the observed results, it was shown that the incorporation of particles into the electrolyte change the microstructure characteristics of developed composite and improved drastically the thermomechanical performance of the coatings.

Keywords

Thermal stability Microstructure Corrosion Composite coatings
Fayomi, O., Popoola, A., Ige, O., & Ayoola, A. (2017). Study of Particle Incorporation and Performance Characteristic of Aluminium Silicate-Zirconia Embedded on Zinc Rich Coatings for Corrosion and Wear Performance. Asian Journal of Chemistry, 29(12), 2575–2581. https://doi.org/10.14233/ajchem.2017.20659
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