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Research Article

Icephobicity studies of superhydrophobic coating on aluminium

, , , , , , & show all
Pages 1239-1245 | Received 21 May 2020, Accepted 12 Nov 2020, Published online: 11 Dec 2020
 

ABSTRACT

Mechanically robust superhydrophobic (SHP) and icephobic performances are highly needed for an anti-icing surface in practical applications. Here, a SHP coating is prepared on the aluminium (Al) substrate using hydrothermal reaction and subsequent modification of hexadecyltrimethoxysilane, showing a water contact angle larger than 158° and a sliding angle (SA) less than 5°. This SHP coating displays a robust hydrophobic performance in acidic or alkaline solutions, after sand abrasion and consecutive icing/deicing cycles. It largely reduces ice adhesive strength and delays starting icing time on Al. Therefore, this work may shine some light in engineering aluminium-based materials to avoid ice accumulation.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

Thanks to the support of the National Natural Science Foundation of China (U1765105 and 52007104), and the School of Biological and Chemical Sciences, University of Missouri-Kansas City.

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