Fabrication, anti-corrosion and antifouling performance of superhydrophobic aluminum alloy surface

被引：0
|
作者：
Firdavs S. [1 ]
Wang J. [1 ]
Zhou J.-X. [1 ]
Feng L.-B. [1 ]
机构：
[1] School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2020年 / 30卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Aluminum alloy; Anti-corrosion; Antifouling; One-step immersion; Superhydrophobic;
D O I：
10.11817/j.ysxb.1004.0609.2020-39298
中图分类号：
学科分类号：
摘要：
It is necessary of preparing superhydrophobic aluminum alloy surfaces by simple and environment-friendly method. Meanwhile, it is also quite important of endowing the aluminum alloys with excellent corrosion resistance and anti-fouling performance so that the application scope of aluminum alloys can be expanded. Herein, without pre-polishing, a facile and environment-friendly method was developed to fabricate the superhydrophobic aluminum alloy surface with a one-step immersion in alcohol-water solution. The water contact angle at the resultant aluminum alloy surface can reach 153.6° while the rolling angle is less than 5°. The surface wettability, microstructure, chemical structure, antifouling and anti-corrosion performance of the obtained superhydrophobic aluminum alloy surface were investigated by means of contact angle measurement, scanning electron microscope, infrared spectrum analysis, antifouling and anti-corrosion experiments, respectively. The results indicate that both micro- and nano-scaled binary structure form on the resultant aluminum alloy surface. Meanwhile, long alkyl chains are grafted chemically onto the rough aluminum alloy surface successfully. Consequently, the aluminum alloy obtains excellent superhydrophobicity. Moreover, the superhydrophobicity has variety, universality, and good stability. Then, just based on the superhydrophobicity, the aluminum alloy wins excellent corrosion resistance and antifouling performance. © 2020, Science Press. All right reserved.
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页码：2316 / 2321
页数：5
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