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A contrastive investigation on the anticorrosive performance of stearic acid and fluoroalkylsilane-modified superhydrophobic surface in salt, alkali, and acid solution
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Wang, M, Zhang, D., Yang, Z., Yang, C., Tian, Yanling and Liu, Xianping (2020) A contrastive investigation on the anticorrosive performance of stearic acid and fluoroalkylsilane-modified superhydrophobic surface in salt, alkali, and acid solution. Langmuir, 36 (34). pp. 10279-10292. doi:10.1021/acs.langmuir.0c02080 ISSN 0743-7463.
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Official URL: https://doi.org/10.1021/acs.langmuir.0c02080
Abstract
Stearic acid and fluoroalkylsilane are widely used in chemical modification to fabricate superhydrophobic surfaces in corrosion-resistant exploration. However, extensive works have just explored their anticorrosive performance in salt solution. Very rare work has focused on comparing their corrosion-resistant performance in corrosive solution (salt, alkali, and acid) systematically. In this study, two kinds of superhydrophobic surfaces were obtained on laser-processed rough IN304 surface after the stearic acid and FAS modification processes, respectively. The investigation and comparison of anticorrosion performance in salt, alkali, and acid electrolyte were carried out via potentiodynamic polarization and electrochemical impedance spectroscopy measurements. The promotion mechanism or impairing mechanism was further proposed based on the results of surface wettability, surface morphology, and X-ray photoelectron spectroscopy. Besides, the long-term anticorrosion performance and the stability of surface wettability were also investigated. It is hoped that these research findings could provide an explicit guidance of suitable anticorrosion methods selection for metals in different kinds of corrosive solution (salt, alkali, and acid), which will further raise the promising prospect of functional surfaces for practical applications in industry.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Langmuir | ||||||||
Publisher: | American Chemical Society | ||||||||
ISSN: | 0743-7463 | ||||||||
Official Date: | 1 September 2020 | ||||||||
Dates: |
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Volume: | 36 | ||||||||
Number: | 34 | ||||||||
Page Range: | pp. 10279-10292 | ||||||||
DOI: | 10.1021/acs.langmuir.0c02080 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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