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Chaubey, Namrata, Singh, Vinod Kumar, Quraishi, M. A.. (1395). Electrochemical approach of Kalmegh leaf extract on the corrosion behavior of aluminium alloy in alkaline solution. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 8(1), 75-82. doi: https://doi.org/10.1007/s40090-016-0103-y
Namrata Chaubey; Vinod Kumar Singh; M. A. Quraishi. "Electrochemical approach of Kalmegh leaf extract on the corrosion behavior of aluminium alloy in alkaline solution". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 8, 1, 1395, 75-82. doi: https://doi.org/10.1007/s40090-016-0103-y
Chaubey, Namrata, Singh, Vinod Kumar, Quraishi, M. A.. (1395). 'Electrochemical approach of Kalmegh leaf extract on the corrosion behavior of aluminium alloy in alkaline solution', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 8(1), pp. 75-82. doi: https://doi.org/10.1007/s40090-016-0103-y
Chaubey, Namrata, Singh, Vinod Kumar, Quraishi, M. A.. Electrochemical approach of Kalmegh leaf extract on the corrosion behavior of aluminium alloy in alkaline solution. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1395; 8(1): 75-82. doi: https://doi.org/10.1007/s40090-016-0103-y

Electrochemical approach of Kalmegh leaf extract on the corrosion behavior of aluminium alloy in alkaline solution

International Journal of Industrial Chemistry
دوره 8، شماره 1، خرداد 2017، صفحه 75-82
نوع مقاله: research article
شناسه دیجیتال (DOI): https://doi.org/10.1007/s40090-016-0103-y
نویسندگان
Namrata Chaubey1؛ Vinod Kumar Singh1؛ M. A. Quraishi* 2
1Department of Chemistry, Udai Pratap Autonomous College, Varanasi, 221002, India
2Department of Chemistry, Indian Institute of Technology, Banaras Hindu University, Varanasi, 221005, India
چکیده
Introduction
The effect of Kalmegh leaf extract (KLE) on the corrosion behavior of aluminium in 1 M NaOH solution was studied using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PDP) studies.
Results
Inhibition efficiency (η%) increased with increasing the concentration of extract and maximum inhibition efficiency observed is 82.24 and 82.45% from EIS and PDP studies, respectively, at higher concentration.
Conclusion
The adsorption of the inhibitor on aluminium surface was in accordance with the Langmuir adsorption isotherm. Potentiodynamic polarization study showed mixed type inhibition with predominantly cathodic effect. SEM and AFM study was carried out to support the experimental inhibition data.
کلیدواژه‌ها
Aluminium alloy؛ Corrosion؛ EIS؛ SEM
آمار
تعداد مشاهده مقاله: 20


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