Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract
El-Bindary, R., El-Shamy, A., Elhadek, M., Nassef, A. (2021). Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract. EKB Journal Management System, 25(1), 101-113. doi: 10.21608/pserj.2020.35020.1050
Reham El-Bindary; Ashraf El-Shamy; Medhat Awad Elhadek; Ahmed Nassef. "Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract". EKB Journal Management System, 25, 1, 2021, 101-113. doi: 10.21608/pserj.2020.35020.1050
El-Bindary, R., El-Shamy, A., Elhadek, M., Nassef, A. (2021). 'Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract', EKB Journal Management System, 25(1), pp. 101-113. doi: 10.21608/pserj.2020.35020.1050
El-Bindary, R., El-Shamy, A., Elhadek, M., Nassef, A. Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract. EKB Journal Management System, 2021; 25(1): 101-113. doi: 10.21608/pserj.2020.35020.1050

Statistical Analysis of the Inhibition of Carbon Steel Corrosion in 3.5 wt.% NaCl Solution Using Lawsonia Extract

Port-Said Engineering Research Journal
Article 12, Volume 25, Issue 1, March 2021, Page 101-113  XML PDF (2.12 MB)
Document Type: Original Article
DOI: 10.21608/pserj.2020.35020.1050
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Authors
Reham El-Bindary email orcid 1; Ashraf El-Shamyorcid 2; Medhat Awad Elhadekorcid 3; Ahmed Nassef3
1Department of Production and Mechanical Design Engineering, Faculty of Engineering, Port-Said University, Port-Fouad,
2Department of Physical Chemistry, Electrochemistry and Corrosion Lab, National Research Centre, El-Bohouth St. 33, Dokki, PO 12622, Giza, Egypt
3Department of Production and Mechanical Design Engineering, Faculty of Engineering, Port-Said University, Port-Fouad, Port-Said 42523, Egypt
Abstract
The corrosion performance of carbon steel after wide-ranging acquaintance load of aqueous extract of Lawsonia inermis (LI) as a green inhibitor in saline media was inspected. These studies have been supported by means of open-circuit potential (OCP), potentiodynamic polarization technique (PD) and electrochemical impedance spectroscopy (EIS). In addition, the scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) analysis stayed applied as a complementary tool for surface characterization. For more illustration theoretical and statistical studies were subjected for corrosion inhibition efficiency. All results inveterate that, the carbon steel alloy corrosion rate decreases with the upsurge of inhibitor concentration and LI are an important deterrent for the saline solutions to corrosion of carbon steel alloy. The presence of LI particles anywhere decreased the cathodic, anodic and corrosion currents and the rate of deterioration, as well as improved polarization and solvent resistance of carbon steel alloy in the saline electrolyte. Statistical tests using the Box–Behnken process stayed used to observe the effect of principal parameters (i.e., concentration of inhibitors, temperature, and speed of rotation) on the effectiveness of inhibition and corrosion level of carbon steel alloy.
Keywords
Saline solutions; Green corrosion inhibitor; Carbon steel alloy; Electrochemical techniques
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