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Título

Surface and sub-surface degradation of unidirectional carbon fiber reinforced epoxy composites under dry and wet reciprocating sliding

Autor Dhieb, H.; Buijnsters, J. G. ; Eddoumy, F.; Vázquez, Luis ; Celis, J. P.
Palabras clave Interface
Sub-surface
Carbon fiber
Debonding
Fecha de publicación 2013
EditorElsevier
Citación Composites Part A: Applied Science and Manufacturing 55: 53-62 (2013)
ResumenThe role of water on the sub-surface degradation of unidirectional carbon fiber reinforced epoxy composite is examined. The correlation between the debonding of carbon fibers at the fiber-epoxy interface, and the wear behavior of the carbon fiber composite are discussed based on an in-depth analysis of the worn surfaces. We demonstrate that a reciprocating sliding performed along an anti-parallel direction to the fiber orientation under dry conditions results in a large degradation by debonding and breaking of the carbon fibers compared to sliding in parallel and perpendicular directions. Immersion in water has a harmful effect on the wear resistance of the carbon fiber composite. The competition between crack growth and the wear rate of epoxy matrix and/or carbon fibers in the sliding track determines the level of material loss of the composite in both test environments. © 2013 Elsevier Ltd. All rights reserved.
Versión del editorhttp://dx.doi.org/10.1016/j.compositesa.2013.08.006
URI http://hdl.handle.net/10261/95544
DOI10.1016/j.compositesa.2013.08.006
Identificadoresdoi: 10.1016/j.compositesa.2013.08.006
issn: 1359-835X
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