Synergism of Saccharum Officinarum, Nicotiana Tobaccum and Ananas Comusus Extract Additives on the morphological structure and Quality of Electroplated Zinc on Mild Steel

摘要

Synergism of the combined Saccharum Officinarum (sugar cane), Nicotiana Tobaccum (tobacco) andAnanas Comusus (pine apple) extract additives on the surface morphology and quality of electroplatedo zinc on mild steel in acid chloride solution was investigated at ambient temperature (~28 C). Theexperiments were performed at different plating time (15 and 18 min), additive concentrations (2, 2.5,o 3 ml/50ml of acid chloride solution), pH5, temperature (27-30 C), current (0.08A) and voltage (13 VDC) conditions. Zinc electroplating on mild steel was performed using a DC supply. Examination ofthe steel plated surface was performed with scanning electron microscopy (SEM) and EnergyDispersive Spectroscopy (EDS) for surface elemental composition analysis. Different surfacecharacteristics were obtained depending upon the concentration of the additive and the plating time.The corrosion resistance of the plated surface was determined by weight loss method. Surfacemorphology of the plated surface indicated a good electroplating that was better than either of theextracts alone. The electroplating process was sensitive to changes in additive concentration andplating time as any variation in the plating parameter produced a new and different surface crystalmorphology.