KATARZYNA WYKPIS, MAGDALENA POPCZYK
Zn–Ni coatings were deposited under galvanostatic conditions on steel substrate (OH18N9). This study aimed to investigate the influence of current density on the surface morphology, chemical and phase composition of the deposited Zn–Ni coatings, as well as to assess their corrosion resistance in a 5% NaCl solution. The deposition process was carried out at current densities ranging from 10 to 25 mA cm–2. Structural investigations were performed using X-ray diffraction (XRD), while the surface morphology and chemical composition were analyzed with a scanning electron microscope (JEOL JSM-6480) equipped with EDS. Electrochemical corrosion resistance was evaluated through potentiodynamic and electrochemical impedance spectroscopy (EIS) methods. The results demonstrate that the surface morphology and composition of the Zn–Ni coatings are essentially independent of the current density of deposition. Furthermore, the corrosion resistance of these coatings was found to be superior to that of metallic cadmium, with lower corrosion current values, more positive corrosion potentials, and enhanced polarization resistance. This suggests that Zn–Ni coatings may serve as a viable substitute for toxic cadmium in various applications.
@article{989045b7-f39b-44a3-a7c3-13c8a2a4af45,
title={Electrolytic deposition and corrosion resistance of Zn–Ni coatings obtained from sulphate-chloride bath},
author={KATARZYNA WYKPIS and MAGDALENA POPCZYK},
year={2011},
language={en}
}TY - JOUR TI - Electrolytic deposition and corrosion resistance of Zn–Ni coatings obtained from sulphate-chloride bath AU - KATARZYNA WYKPIS AU - MAGDALENA POPCZYK PY - 2011 LA - en ER -
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