Volume 14, Issue 4 (3-2025)
مهندسی خوردگی 2025, 14(4): 24-24 |
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Izadi M, Mehraban S S, Karimi S. Studying the Effect of Teucrium Polium
Aqueous Extract on the Corrosion Behavior of
Mild Steel in 3.5 Wt.% Sodium Chloride
Media. مهندسی خوردگی 2025; 14 (4) :24-24
URL: http://journal.ica.ir/article-1-223-en.html
URL: http://journal.ica.ir/article-1-223-en.html
Assistant Profesor, Department of Materials Engineering, Hamedan University of Technology
Abstract: (47 Views)
In this study, Teucrium polium plant extract was studied as eco-friendly inhibitor for corrosion
controlling of mild steel in 3.5 wt.% NaCl solution. The plant extract was prepared in aqueous medium.
Electrochemical impedance spectroscopy was used to study the corrosion behavior of steel samples.
Also, surface analysis was performed using scanning electron microscopy and Energy-dispersive Xray
spectroscopy. The results of electrochemical analysis showed that Teucrium polium extract is
effective corrosion inhibitor in Cl-containing media for mild steel. The maximum inhibition efficiency
was obtained in the presence of 500 ppm plant extract with 2 times larger corrosion resistance after 24
h immersion. Based on the results, the impedance resistance reaches more than 2000 ohm.cm2 for
optimum sample related to the additive-free sample which shows impedance resistance about 990
ohm.cm2. Also, surface studies and diffusion-controlled situation in impedance plots showed that the
protection mechanism was surface film formation in the presence of inhibitor.
controlling of mild steel in 3.5 wt.% NaCl solution. The plant extract was prepared in aqueous medium.
Electrochemical impedance spectroscopy was used to study the corrosion behavior of steel samples.
Also, surface analysis was performed using scanning electron microscopy and Energy-dispersive Xray
spectroscopy. The results of electrochemical analysis showed that Teucrium polium extract is
effective corrosion inhibitor in Cl-containing media for mild steel. The maximum inhibition efficiency
was obtained in the presence of 500 ppm plant extract with 2 times larger corrosion resistance after 24
h immersion. Based on the results, the impedance resistance reaches more than 2000 ohm.cm2 for
optimum sample related to the additive-free sample which shows impedance resistance about 990
ohm.cm2. Also, surface studies and diffusion-controlled situation in impedance plots showed that the
protection mechanism was surface film formation in the presence of inhibitor.
Type of Study: Research |
Subject:
General
Received: 2025/08/11 | Accepted: 2025/03/15 | Published: 2025/03/15
Received: 2025/08/11 | Accepted: 2025/03/15 | Published: 2025/03/15
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