Contact angle and sessile drop diameter hysteresis on metal surfaces

被引：29
|
作者：
Gajewski, Andrzej [1 ]
机构：
[1] Bialystok Tech Univ, Fac Civil Engn & Environm Engn, Dept Heat Engn, PL-15351 Bialystok, Poland
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2008年 / 51卷 / 19-20期
关键词：
contact angle; wetting; hysteresis; liquid-gas interfaces; solid-liquid interfaces; laser methods;
D O I：
10.1016/j.ijheatmasstransfer.2008.01.027
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The experimental stand to measure the static contact angle and drop diameter is presented in the paper. The results of contact angle and diameter of the drops on aluminium, brass, copper and stainless steel with different roughness are added. The measurements were done for the increasing and decreasing drop volume. As it result the hysteresis of contact angle and magnitude of wetting surface was observed. It was noticed that aluminium and stainless steel lose their hydrophobic properties during the dropping procedure while copper and brass remain the hydrophilic or hydrophobic material. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4628 / 4636
页数：9
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