Fabrication of Superhydrophobic Surfaces on Aluminum Alloy by Simple Chemical Etching Method

Yong Feng Luo; Hai Yan Lang; Jin Liang; Guo Sheng Peng; You Hua Fan; Ming Long Zhang; Zhi Qing Yuan; Hong Chen

doi:10.4028/www.scientific.net/AMR.239-242.2270

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Fabrication of Superhydrophobic Surfaces on...

Fabrication of Superhydrophobic Surfaces on Aluminum Alloy by Simple Chemical Etching Method

Abstract:

A facial chemical etching method was developed for fabricating stable super-hydrophobic surfaces on aluminum alloy foils. The microstructure and wettability of super-hydrophobic surfaces were characterized by scanning electron microscopy, water contact angle (CA) measurement, and optical methods. The surfaces of the modified aluminum alloy substrates exhibit superhydrophobicity, with a CA of 164.8°±1.6° and a water sliding angle of about 5°. The etched surfaces have binary structure consisting of the irregular microscale plateaus and caves in which there are the nanoscale block-like convexes and hollows.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

2270-2273

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.2270

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Online since:

May 2011

Authors:

Yong Feng Luo, Hai Yan Lang, Jin Liang, Guo Sheng Peng, You Hua Fan, Ming Long Zhang, Zhi Qing Yuan, Hong Chen

Keywords:

Aluminum Alloy Foils, Chemical Etching, Superhydrophobic Surface

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