Journal
RESULTS IN PHYSICS
Volume 12, Issue -, Pages 1082-1088Publisher
ELSEVIER
DOI: 10.1016/j.rinp.2018.12.090
Keywords
High-silicon aluminum alloy; Corrosion resistance; Superhydrophobic
Funding
- National Natural Science Foundation of China (NSFC) [51605078]
- Science Fund for Creative Research Groups of NSFC [51621064]
- Aviation Science Fund [2017ZE63012]
- Doctoral Scientific Research Foundation of Liaoning Province [201601058]
- Fundamental Research Funds for the Central Universities [DUT17JC25]
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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 degrees and roll-off angle of 5 degrees 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.
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