期刊
CORROSION SCIENCE
卷 197, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2021.110082
关键词
Superhydrophobic surface; Coalescence-induced droplet jumping behavior; Anticorrosion performance; Air film; Microstructure
资金
- Na-tional Natural Science Foundation of China [41922040]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA23050104]
This study investigates the effect of surface orientation on the droplet jumping behavior and atmospheric corrosion resistance of CuO superhydrophobic surfaces. The study reveals the atmospheric corrosion protection mechanism based on droplet jumping behavior. The results show that a horizontally oriented superhydrophobic surface has a larger droplet size distribution and surface coverage during condensation, leading to better corrosion resistance compared to a vertically oriented superhydrophobic surface.
In this study, the effect of the surface orientation on the coalescence-induced droplet jumping behavior (CIDJB) and the subsequent atmospheric corrosion resistance of the knife-like structure CuO superhydrophobic surface were studied. And the corresponding atmospheric corrosion protection mechanism on the basis of the CIDJB was revealed. The results indicate that the horizontally oriented superhydrophobic surface exhibits a bigger droplet size distribution and surface coverage during the condensation process because of the droplets falling back to the surface. And compared with the vertically oriented superhydrophobic surface, the horizontally oriented super hydrophobic surface exhibits a better corrosion resistance after condensation.
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