Journal
ADVANCED ENGINEERING MATERIALS
Volume 22, Issue 11, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.202000402
Keywords
cerium oxide particles; electrodeposition; marine corrosion; self-cleaning; wear resistances; wettability
Categories
Funding
- Fundamental Research Funds for the Central Universities China [FRF-TP-18-009A1]
- Tribology Science Fund of State Key Laboratory of Tribology
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Until now, superhydrophobic materials that are scale-up fabrication and application to harsh environments remain challenging because of their fragile mechanical durability. Because of their unique electronic structure, rare-earth oxides (REOs) have been proven to be intrinsically hydrophobic. Herein, cerium oxide particles (CeO2) are added to the coating by coelectrodeposition. The Co-Ni/CeO(2)composite coating from the electrolyte containing 3.44 g L(-1)possesses a flower-like hierarchical structure, displaying a superhydrophobic behavior after the modification by 1H,1H,2H,2H-perfluorooctyltrichlorosilane (PFTEOS). More importantly, excellent mechanical durability with critical abrasion distance of 22.5 m is achieved under a 5 kPa fixed normal pressure in the liner abrasion test before the loss of superhydrophobicity. Also, electrochemical measurements demonstrate that the superhydrophobic composite coatings display high corrosion resistance.
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