期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2016
卷号：7
期号：7
页码：2453-2467
出版社：University of Mohammed Premier Oujda
摘要：Inhibition effect of aqueo us extract of Alstonia Scholaris bark (ASB) on the corrosion of aluminium alloy (AA) in 1M NaOH was carried out using gravimetric, electrochemical impedance spectroscopy (EIS), Potentiodynamic polarization (PDP) and linear polarization resistance (LPR) techniques. ASB showed maximum inhibition efficiency (η %) of 92.6% at 2.0 g/L. The adsorption of inhibitor molecules on AA surface obeyed the Langmuir's adsorption isotherm. Tafel Polarization stud y sho wed mixed mode of corrosion inhibition of inhibitor. The effective protection of AA in inhibited system was investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM).
