润湿
复合材料
材料科学
表面能
复合数
环氧树脂
表面粗糙度
钢筋
坐滴法
表面光洁度
粘附
比表面能
聚合物
表面改性
机械工程
工程类
作者
Quentin Bénard,Magali Fois,Michel Grisel
标识
DOI:10.1016/j.apsusc.2006.10.049
摘要
Wettability of glass/epoxy and carbon/epoxy composites materials has been determined via sessile drop technique. Good–Van Oss approach has been used to evaluate surface free energy parameters of smooth and rough surfaces. Results obtained point out the influence of fibre reinforcement on surface free energy of composite materials. In addition, the interest of surface treatment to increase surface roughness has been discussed in terms of wettability. To sum up, results obtained clearly demonstrate the necessity of considering properties of a given composite surface not only as a polymer but a fibre/polymer couple. The drawn conclusions are of great interest as it may have numerous consequences in applications such as adhesion.
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