期刊
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
卷 60, 期 4, 页码 287-293出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/maco.200805081
关键词
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资金
- China Postdoctoral Science Foundation
- K.C. Wang Education Foundation
- Postdoctoral Scientific Research Project of Shandong Province
- Knowledge Innovation Project of the Chinese Academy of Science [KZCX2-YW-210]
Four research methods, such as weight loss test, electrochemical techniques, adsorption isotherm, and quantum chemical calculation, were employed in this paper to study the inhibition efficiency (IE) and inhibition mechanism of three 2H-pyrazole-triazole derivatives, BHOT, FHOT, and CHOT in 1 M HCl solution for mild steel. Using the electrochemical technique, three inhibitors were proved to show a mixed-type character for mild steel by suppressing both anodic and cathodic reactions on the steel surface. The adsorption models of three compounds were established at different temperatures according to their adsorption isotherms. The results of the quantum chemical calculation method indicated that the adsorption sites of 2H-pyrazole-triazole derivatives were strongly centralized on benzene ring, triazole ring, or other substituents. All the results showed that the three derivatives were excellent inhibitors in I M HCl solution for mild steel.
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