The influences of surface roughness on the water contact angle for coated substrate with F-DLC

被引：5

作者：

Wei X. ^{[1
]}

Shi W. ^{[1
]}

Li Z. ^{[1
]}

Wang Z. ^{[1
]}

Wu X. ^{[2
]}

Xu J. ^{[3
]}

机构：

[1] School of Mechanical Engineering, Shandong University of Technology, Zibo

[2] California State University Long Beach (CSULB), Long Beach, 90840, CA

[3] School of Mechanical and Vehicle Engineering, Changzhou Institute of Technology, Changzhou

来源：

Wei, Xiuting (weixiuting@yahoo.com.cn) | 2018年 / Trans Tech Publications Ltd卷 / 764期

基金：

中国国家自然科学基金;

关键词：

F-DLC; Hydrophobicity; Roughness; Water contact angle;

D O I：

10.4028/www.scientific.net/KEM.764.68

中图分类号：

学科分类号：

摘要：

Hydrophobicity improvement of DLC can be achieved by adding fluorine element usually. However, higher F content may affect the other performance of DLC seriously, such as strength and abrasive resistance. Plasma enhanced chemical vapor deposition technology were employed to prepare F-DLC on the surface of steel (S35C) substrate in condition of 20mass% of F. Experimental results demonstrated that roughness significant increase in the coating substrate has contributed to improve hydrophobicity. In the range of 0∼200nm for the roughness, the contact angle is influenced by the surface energy and the surface roughness; Ra>200nm, the influence of roughness on the water contact angle is gradually becoming the leading. And Ra=1300nm, water contact angle is 104°. © 2018 Trans Tech Publications, Switzerland.

引用

页码：68 / 77

页数：9

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