Abstract
In this study, we developed Nb2O5-Ni composite coatings on carbon steel by DC sputtering technique. The effect of Nb2O5 particulate on the Ni coating properties was investigated. The weight percents of Nb2O5 in Ni coating were 0, 12, 15, and 30 wt%. The structural properties of the composite coatings were characterized using scanning electron microscope equipped with energy-dispersive spectrometer. The microhardness and thickness of composite coatings were measured, in addition to examine the corrosion properties in 3.5% NaCl using MLab 200 potentiostat/galvanostat with linear polarization technique. The results showed that hardness value increased to 164 HV for 30 wt% Niobia compared with 155 HV for Ni coating and the thickness increased slightly for Nb2O5-Ni composite coatings. The corrosion performance improved to obtain efficiencies better than Ni coating alone.
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Anaee, R.A., Abdulkarim, A.A., Mathew, M.T. et al. The Effect of Nb2O5-Ni Coatings on the Microstructural and Corrosion Behavior on Carbon Steel for Marine Application. J Bio Tribo Corros 7, 1 (2021). https://doi.org/10.1007/s40735-020-00440-0
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DOI: https://doi.org/10.1007/s40735-020-00440-0