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Unveiling anticorrosion and ice adhesion of superhydrophobic Zn–CaO nanoparticle derived from oyster composite coating functionalized with ultra-thin films silicone

Victor Sunday Aigbodion

Department of Metallurgical and Materials Engineering, University of Nigeria, Nsukka, Nigeria

 

E-mail: victor.aigbodion@unn.edu.ng

Received: 27 February 2023  Accepted: 18 June 2023

Abstract:

In order to achieve superhydrophobic characteristics, Zn–CaO nanoparticles has been electropositively coated on mild steel substrates and then functionalized using silicone rubber. SEM morphological characteristics reveal that the electrodeposited zinc films and functionalized silicone reveal a porous, rectangular structure. Infrared spectroscopy and X-ray diffraction (XRD) were used to determine the functional group and phases Zn–CaO nanoparticles functionalized with silicone has been discovered and offers superhydrophobic qualities with a 175° contact angle. Superhydrophobic zinc-coated steel has been shown to be more corrosion resistant than mild steel in simulated saltwater. Similarly, the centrifugal adhesion test results show that the observed superhydrophobic surfaces' ice adhesion strength was 6.5 times lower than that of mild steel. This coating has potential uses in marine environments to lessen ice adhesion and prevent corrosion.

Keywords: Mild steel; Zinc; CaO; Microstructure; Corrosion; Oyster

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-023-02952-8

 

Chemical Papers 77 (11) 6483–6490 (2023)

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