Rapid fabrication of superhydrophobic high-silicon aluminum alloy surfaces with corrosion resistance

Yankui Sun; Danyang Zhao; Jinlong Song; Cong Wang; Zhihao Zhang; Liu Huang; Jiyu Liu; Ziai Liu

Results in Physics (Mar 2019)

Rapid fabrication of superhydrophobic high-silicon aluminum alloy surfaces with corrosion resistance

Yankui Sun,
Danyang Zhao,
Jinlong Song,
Cong Wang,
Zhihao Zhang,
Liu Huang,
Jiyu Liu,
Ziai Liu

Affiliations

Yankui Sun: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China
Danyang Zhao: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China; Collaborative Innovation Center of Major Machine Manufacturing in Liaoning, Dalian University of Technology, Dalian 116024, PR China; Corresponding authors at: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China.
Jinlong Song: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China; Collaborative Innovation Center of Major Machine Manufacturing in Liaoning, Dalian University of Technology, Dalian 116024, PR China; Corresponding authors at: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China.
Cong Wang: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China
Zhihao Zhang: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China
Liu Huang: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China
Jiyu Liu: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China
Ziai Liu: Key Laboratory for Precision and Non-Traditional Etching Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, PR China

Journal volume & issue: Vol. 12
pp. 1082 – 1088

Abstract

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High-silicon aluminum alloy (high-Si Al alloy) usually used as the electronic packaging materials on the radar on ships have a susceptibility to corrosion, reducing the life of radar on ships. How to improve the corrosion-resistance ability of high-Si Al alloy is still a challenge. In this paper, we introduced superhydrophobicity on high-Si Al alloy surface by electrochemical etching to improve the corrosion-resistance. The variation of surface wettability with the etching time was subsequently studied. A better superhydrophobicity with water contact angle of 163° and roll-off angle of 5° was obtained at 12 min etching time. This superhydrophobicity can effectively prevent the corrosive solution to corrode the high-Si Al alloy surface and increase the service life. Keywords: High-silicon aluminum alloy, Corrosion resistance, Superhydrophobic

Published in Results in Physics

ISSN: 2211-3797 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Physics
Website: http://www.journals.elsevier.com/results-in-physics/

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