Haroooni, A. Qaed Amini; Eskandari, H.; Maddahy, M. H.; Danaee, I.; Nikmanesh, S.
December 2015
Iranian Journal of Materials Science & Engineering;Dec2015, Vol. 12 Issue 4, p34
Academic Journal
The electrochemical behavior of6063 aluminum alloy in ethylene glycol-water mixture was investigated by polarization curves and AC impedance measurements (EIS). The results obtained from polarization curves showed that corrosion rate decreased with increasing ethylene glycol concentration. EIS data showed the decrease in the interface capacitance which caused by adsorption of ethylene glycol at the surface of aluminum alloy. The cathodic current increased with the increase in rotating speeds of solution and the anodic current decreased. The effect of temperature was studied and the corrosion rate was increased with increasing the temperature. In addition, thermodynamic parameters were calculated in different ethylene glycol concentrations.


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