Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 198, Issue -, Pages 288-298Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.11.216
Keywords
Green inhibitor; Steel; Adsorption; Quantum chemical calculation; Monte Carlo simulations
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Funding
- Natural Science Foundation of Henan Province [182300410249]
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The inhibition mechanism of maize gluten meal extract (MGME) for steel was systematically elucidated combining experimental analysis with theoretical calculation. It is revealed that the MGME and its main basic constituent are responsible for inhibition including Glu, Pro and Leu, their inhibition efficiency are 83.15% and 79.27%, respectively. The antagonistic effect between the main basic molecules of Glu, Pro and Leu in MGME and the barrier film formed on steel surface were verified by electrochemical measurement and XPS result, respectively. Besides the quantum chemical calculation and Monte Carlo simulation were used to clarify inhibition mechanism of co-adsorption. (C) 2018 Elsevier Ltd. All rights reserved.
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