Fractal characteristics and wettability of Nano-Al2O3/Ni-Co composite coating prepared by electrodeposition

被引：7
|
作者：
Liu Yan [1 ]
Li Liang [1 ]
Lu Guo-long [1 ]
Han Zhi-wu [1 ]
Liu Jin-dan [1 ]
Yu Si-rong [2 ]
机构：
[1] Jilin Univ, Minist Educ, Key Lab Bion Engn, Changchun 130022, Peoples R China
[2] Jilin Univ, Coll Mat Sci & Engn, Changchun 130022, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2011年 / 21卷
基金：
中国国家自然科学基金;
关键词：
electrodeposition; fractal; wettability; morphology; REPELLENT SURFACES; STRENGTH;
D O I：
10.1016/S1003-6326(11)61610-5
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Nano-Al2O3/Ni-Co composite coatings were formed on gray cast iron surface by electrodeposition method. The composite coating has a more flat surface and compact microstructure than the pure Ni-Co coating. The fractal surface structure parameters were calculated by fractal theory and the average fractal dimension is 1.301 3. The contact angles were measured and the maximum value reaches 105 degrees. The relationship between wettability and fractal structure was explained by Cassie-Baxter equation. The results indicate that wetting behavior varies with the fractal dimension. But the change of contact angels is not directly proportional to the fractal dimension.
引用
收藏
页码：S380 / S383
页数：4
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