INFLUENCE OF SURFACE-ROUGHNESS ON THE WETTING ANGLE

被引：76
|
作者：
ZHOU, XB
DEHOSSON, JTM
机构：
[1] Department of Applied Physics, Materials Science Centre, University of Groningen, 9747 AG Groningen
来源：
JOURNAL OF MATERIALS RESEARCH | 1995年 / 10卷 / 08期
关键词：
D O I：
10.1557/JMR.1995.1984
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper the influence of surface roughness on contact angles in the system of liquid Al wetting solid surfaces of Al2O3 has been studied. It was observed that contact angles of liquid Al vary significantly on different rough surfaces of Al2O3 A model is proposed to correlate contact angles with conventional roughness measurements and wavelengths by assuming a cosine profile of rough grooves with a Gaussian distribution of amplitudes. In comparison with the experimental results, the model provides a good estimate for describing the influence of surface roughness on contact angles of liquid Al on Al2O3.
引用
收藏
页码：1984 / 1992
页数：9
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