Journal
APPLIED SURFACE SCIENCE
Volume 253, Issue 10, Pages 4753-4758Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2006.10.049
Keywords
polymer matrix composites; wettability; surface treatment; interface
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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. (c) 2006 Elsevier B.V. All rights reserved.
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