Journal
CORROSION SCIENCE
Volume 173, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2020.108797
Keywords
Superhydrophobic; Electrophoretic deposition; Nanoparticles; Adhesive; Anti-abrasion; Corrosion protection
Funding
- NSFC [51671174]
- National Key R&D Program of China [2017YFB1200800]
- Natural Science Foundation of Zhejiang Province [LZ17E010001]
- Natural Science Foundation of Inner Mongolia [2017BS0502, 2019BS05026]
- Program of Higher-level Talents Fund of Inner Mongolia University [5165169, 5185146]
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The practical application of superhydrophobic surfaces in corrosion protection often suffers from complicated fabrication processes, requirement for high-cost fluorosilane modification and poor mechanical durability. In order to address above mentioned drawbacks, in this work, robust protective superhydrophobic SiO2 coatings are fabricated on electrically conductive metal surfaces by a single one-step electrophoretic deposition (EPD) technique from EPD bath containing superhydrophobic SiO2 nanoparticles (SH-SiO2 NPs) and resin-based adhesive. The as-prepared superhydrophobic coatings exhibit good anti-corrosion performance in 3.5 wt.% NaCl solution. Furthermore, additional corrosion inhibition is achieved after incorporation of inhibitors into the above superhydrophobic coatings by deposition of inhibitor-loaded SH-SiO2 NPs.
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