期刊
CORROSION SCIENCE
卷 53, 期 10, 页码 3380-3387出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2011.06.017
关键词
Stainless Steel; EIS; Polarization; Acid inhibition
资金
- University of Kashan, Kashan, Iran
The effect of newly synthesized S2N2-Schiff bases is investigated on stainless steel 304 corrosion in 15% hydrochloric acid. The Tafel curves of the steel in hydrochloric acid containing Schiff bases show inhibition for both cathodic and anodic processes. Moreover, double layer capacitance and charge transfer resistance values are derived from Nyquist plots. The inhibition efficiency of Schiff bases increases with the increase in inhibitor concentration and temperature. Moreover. Langmuir adsorption isotherm is suitable to fit experimental data of the studied inhibitors. Effect of temperature on the efficiency of the corrosion inhibition shows chemisorption of inhibitors on the surface of metal. (C) 2011 Elsevier Ltd. All rights reserved.
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