Influence of 2,3-Dihydroxyflavanone on Corrosion Inhibition of Mild Steel in Acidic Medium

Influence of 2,3-Dihydroxyflavanone on Corrosion Inhibition of Mild Steel in Acidic Medium

The inhibition effect of 2,3-dihydroxyflavone on the corrosion of mild steel in 100-600 ppm aqueous hydrochloric acid solution has been investigated by weight loss and electrochemical impedance spectroscopy. The corrosion inhibition efficiency increases with increasing concentration and time. The ef...

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Veröffentlicht in:Journal of materials engineering and performance 2012-02, Vol.21 (2), p.240-246
Hauptverfasser: Gopiraman, M., Sathya, C., Vivekananthan, S., Kesavan, D., Sulochana, N.
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Carbon steels
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion
Corrosion and Coatings
Corrosion effects
Corrosion inhibitors
Engineering Design
Inhibition
Materials engineering
Materials Science
Quality Control
Reliability
Safety and Risk
Surface chemistry
Tribology
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Zusammenfassung:The inhibition effect of 2,3-dihydroxyflavone on the corrosion of mild steel in 100-600 ppm aqueous hydrochloric acid solution has been investigated by weight loss and electrochemical impedance spectroscopy. The corrosion inhibition efficiency increases with increasing concentration and time. The effect of temperature on the corrosion behavior of mild steel in 1 M HCl with addition of inhibitor was studied at the temperature range of 300-330 K. UV-Vis, FTIR, and surface analysis (SEM) was also carried out to establish the corrosion inhibitive property of this inhibitor in HCl solution. The adsorption of this inhibitor on the mild steel surface obeys the Langmuir adsorption isotherm. Electrochemical studies reveal that the inhibitor is a cathodic type.
ISSN:1059-9495
1544-1024
DOI:10.1007/s11665-011-9925-0