期刊
CORROSION SCIENCE
卷 120, 期 -, 页码 139-147出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2017.02.004
关键词
Copper; EIS; Kinetic parameters; Neutral inhibition
资金
- Taishan Scholars Project of Shandong Province
- Research Project of Technical Basis of National Defense
- National Natural Science Foundation of China [51401185]
A new type of composite nanoparticles (CNPs) was prepared by loading a typical inhibitor 1-hydroxybenzotriazole (HOBT) for corrosion protection of copper alloy in mesoporous silica nano-containers. The release kinetics of HOBT from CNPs in 3.5% NaCl solution was in conformity with the first order kinetic model. The open circuit potential monitoring, the morphology observation and the scanning Kelvin probe measurement of the Cu-Zn alloy in 3.5% NaCl solution with CNPs proved that a uniformly protective film was formed on the surface. Electrochemical impedance spectroscopy was employed to analyse the corrosion inhibition process of CNPs on the Cu-Zn alloy. (C) 2017 Elsevier Ltd. All rights reserved.
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