The evaluation of nickel deposit obtained via Watts electrolyte at ambient temperature |
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| Authors: | Nur Azam Badarulzaman Ahmad Azmin Mohamad Sunara Puwadaria Zainal Arifin Ahmad |
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| Affiliation: | (1) Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Johor, 86400, Malaysia;(2) School of Materials and Minerals Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia; |
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| Abstract: | A series of electroplating works were conducted to investigate the best conditions for the electrodeposition of nickel on
a mild steel substrate. The electrodeposition was done at ambient electrolyte temperature with mild agitation and under current
density ranging from 10 to 50 mA/cm2. X-ray diffraction analysis (2θ for first three peaks = 44.6, 51.9, and 76.8) and Energy Dispersive Spectrometer verified
the presence of a pure nickel coating. Under field emission scanning electron microscopy analysis, the coating shows a typical
nodular surface morphology, while cross-sectional microstructures show a compact nickel layer. Vickers hardness testing shows
that the coating hardness gave the highest value of 293 HV at 30 mA/cm2 current density. |
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