Electrochemical evaluation of the hydroxyapatite coating synthesized on the AZ91 by electrophoretic deposition route
The hydroxyapatite layer was deposited on the commercial magnesium alloy of AZ91 by electrophoretic deposition route, and the corrosion behavior of applied layers was studied by polarization and electrochemical impedance spectroscopy at the Simulated Body Fluid (SBF) solution. The best corrosion resistance improvement was obtained for the sample synthesized at 40 V within 4 minutes. Also, the morphology of coated samples was studied by atomic force microscopy (AFM) and the surface parameters were measured. It could be concluded that the calculated values for surface parameters including surface roughness, maximum peak height, maximum pit depth, and maximum peak have a meaningful relationship with corrosion resistance.
Copyright (c) 2021 Arezoo Jangjoo Tazeh Kand, Fereshteh Afaghi, Arvin Taghizadeh Tabrizi, Hossein Aghajani, Hilal Demir Kivrak
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