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Superhydrophobic aluminum alloy surface: Fabrication, structure, and corrosion resistance

被引：130
|
作者：
Feng, Libang [1 ]
Zhang, Hongxia [1 ]
Wang, Zilong [1 ]
Liu, Yanhua [1 ]
机构：
[1] Lanzhou Jiaotong Univ, Sch Mechactron Engn, Lanzhou 730070, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2014年 / 441卷
基金：
中国国家自然科学基金;
关键词：
Aluminum alloy; Boiling water; Stearic acid; Superhydrophobic; Corrosion resistance; WETTABILITY; FILMS;
D O I：
10.1016/j.colsurfa.2013.09.014
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A superhydrophobic aluminum alloy surface was successfully fabricated by a simple and environment-friendly method with boiling water treatment and stearic acid modification. The formation procedure, phase structure, morphology, composition, and corrosion resistance of the superhydrophobic aluminum alloy surface were investigated in this research. Results show that a superhydrophobic surface with a contact angle of 154.1 degrees can be obtained when the aluminum alloy was treated in the boiling water for 30s and modified with 5 mmol/L of stearic acid for 24 h at room temperature. The superhydrophobic aluminum alloy surface presents binary structures with both pillars and hollows. The corrosion resistance of the aluminum alloy enhances with the increase of the water contact angle, and the superhydrophobic aluminum alloy has the best corrosion resistance as compared to the other aluminum alloys. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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