Abstract
This investigation examines and reviews the electroplating of zinc on mild steel in acid chloride solutions (ZnCl, KCl and H3BO4). Extract concentrations of Nicotiana tobaccum, Ananas comosus, Saccharum officinarum and Allium cepa were used as additives. Experimental factors employed include variation in plating time, extract additive concentrations and fixed pH conditions. A DC power supply at defined operating parameters was used for the electroplating. Examination of the plated steel surface was done with scanning electron microscopy. Elemental composition analysis was performed with energy dispersive spectroscopy. Variation in surface characteristics was obtained with respect to concentration of the additive and plating time. Corrosion resistance of the steel-plated surface was determined by gravimetric method. The surface microstructural morphology of the plated metal showed good zinc electroplating quality.
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