CORROSION BEHAVIOR OF 6063 ALUMINUM ALLOY IN ETHYLENE GLYCOL-WATER SOLUTION

Authors

  • A. Qaed Amini Haroooni Abadan Faculty of Petroleum Engineering, Petroleum University of Technology
  • H. Eskandari Abadan Faculty of Petroleum Engineering, Petroleum University of Technology
  • I. Danaee Abadan Faculty of Petroleum Engineering, Petroleum University of Technology
  • M. H. Maddahy Abadan Faculty of Petroleum Engineering, Petroleum University of Technology
Abstract:

The electrochemical behavior of 6063 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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Journal title

volume 12  issue 4

pages  34- 44

publication date 2015-12

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