Electrochemical Studies of Aluminium-2014 Alloy in 1M Acetic Acid using Olive leaf Extract as Corrosion Inhibitor

Authors

  • Rajshekhar Ghogge Department of Physics, Dr. Ambedkar Institute of Technology, Bengaluru, Karnataka 560056, India.
  • Kenchamarappa Department of Physics, Dr. Ambedkar Institute of Technology, Bengaluru, Karnataka 560056, India.
  • R D Pruthviraj Department of Chemistry, Department of Chemistry, Rajarajeswari college of Engineering, Mysore raod, Bangalore, Karnataka 560074, India

DOI:

https://doi.org/10.48165/

Keywords:

Corrosion, Olive leaf, Aluminium

Abstract

The inhibition performance of atenolol on  Aluminium-2014 in 1 M Acetic Acid solution was  studied by weight loss and electrochemical  methods. The results show the inhibition  efficiency was found to increase with increasing  the concentration of the inhibitor from 50 to  300 ppm. The maximum inhibition efficiency  93.8% was observed in the presence of 300 ppm  inhibitor (in case of potentiodynamic  polarization). The inhibition action of atenolol  was explained in terms of adsorption on the  Aluminium-2014 surface. Electrochemical  Impedance spectroscopic technique (EIS) exhibits  one capacitive loop indicating that, the corrosion  reaction is controlled by charge transfer process.  Polarization measurements showed that the  inhibitor is of a mixed type. The results obtained  from the different methods are in good  agreement. The surface morphologies of  Aluminium-2014 were examined by scanning  electron microscope (SEM).  

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Published

2021-07-12

Issue

Vol. 40 No. 1 (2021): Bulletin of Pure and Applied Sciences Chemistry (Jan-Jun) 2021

Section

Articles

How to Cite

Electrochemical Studies of Aluminium-2014 Alloy in 1M Acetic Acid using Olive leaf Extract as Corrosion Inhibitor . (2021). Bulletin of Pure and Applied Sciences-Chemistry , 40(1), 23–29. https://doi.org/10.48165/