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Water absorption and low-energy impact and their role in the failure of ±45° carbon fibre composites / Cris, Arnold; Sue, Alston; Feras, Korkees

Polymer Composites

Swansesa University Authors: Cris, Arnold, Sue, Alston, Feras, Korkees

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DOI (Published version): 10.1002/pc.24269

Abstract

Defects in polymer composites associated with in-service damage induced by impact and those produced by environmental degradation due moisture absorption can have a significant influence on the mechanical properties and failure modes of the structures. This study evaluates the flexural characteristi...

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Published in: Polymer Composites
ISSN: 0272-8397
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31405
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Abstract: Defects in polymer composites associated with in-service damage induced by impact and those produced by environmental degradation due moisture absorption can have a significant influence on the mechanical properties and failure modes of the structures. This study evaluates the flexural characteristics and failure modes of ±45° carbon/epoxy laminates under different conditions. The flexural strength and stiffness of these composites were inspected before and after subjecting to water absorption, drying, re-drying and low energy impact. It was observed that both absorbed water and low energy impact caused significant deformations and fractures which drastically reduced the load carrying ability of the ±45° carbon/epoxy laminates. Re-drying slightly improved the properties and reversed the effects of water.
College: College of Engineering