Structural and properties of Zn-Al2O3-SiC nano-composite coatings by direct electrolytic process.

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Department of Chemical and Metallurgical and Materials Engineering - Research Articles

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Fayomi, O. S. I., Popoola, A. P. I., Olorunniwo, O. E.. The International Journal of Advanced Manufacturing Technology; 22 February 2016. Structural and properties of Zn-Al2O3-SiC nano-composite coatings by direct electrolytic process..

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Title: Structural and properties of Zn-Al2O3-SiC nano-composite coatings by direct electrolytic process.
Creator: Fayomi, O. S. I.
Creator: Popoola, A. P. I.
Creator: Olorunniwo, O. E.
Subject: Microstructure.
Subject: Zn-Al2O3-SiC.
Subject: Micro-hardness.
Subject: Interfacial effect.
Subject: Thermal stability.
Date: 22 February 2016
Publisher: The International Journal of Advanced Manufacturing Technology
Description: In this paper, Zn-SiC and Zn-Al2O3-SiC composite coating were fabricated by electrodeposition technique from sulfates bath. The resulting composite coating was carried out by adding Al2O3/SiC particulate to a zinc-containing bath. The properties of the composite coating were investigated by SEM equipped with EDS, XRD, and AFM. The electrochemical behavior of the coating alloy was evaluated in 3.65 % NaCl with linear polarization technique and mechanically examined by durascan microhardness tester. The morphology of the thermal treated coatings at 400 °C in 6 h was viewed with high optical microscope (OPM). The results show hardness, thermal stability, and anti-corrosion properties of Zn-Al2O3-SiC were improved significantly as against ZnSiC coating matrixes. This was attributed to dispersive strengthening effect and grain induced effort of Al2O3/SiC particulate. The decrease in corrosion and thermal stability at 15 g/L of SiC concentration may be as a result of agglomeration and the superimposed particle in the plating bath.

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collection(s): Department of Chemical and Metallurgical and Materials Engineering - Research Articles
Identifier: tut:5133
Format: PDF
Language: en
RightsHolder: Springer-Verlag
Type: Text
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Department of Chemical and Metallurgical and Materials Engineering - Research Articles Structural and properties of Zn-Al2O3-SiC nano-composite coatings by direct electrolytic process.

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