Journal
COMPOSITES PART B-ENGINEERING
Volume 60, Issue -, Pages 186-192Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2013.12.031
Keywords
Fibre; Polymer-matrix composites (PMCs); Interface/Interphase; Stress transfer
Funding
- China Scholarship Council
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In comparison with carbon and glass fibres, natural fibres can readily absorb a substantial amount of moisture from the surrounding environment, leading to poor interfacial bond with polymer matrices. In this paper, we first present a single fibre microdroplet test procedure for measuring the interfacial shear strength in natural fibre composites. We then investigated the influence of relative humidity (RH) in composite fabrication on the interfacial shear strength and flexural properties of flax/unsaturated polyester composites. The interfacial shear strength of the flax/unsaturated polyester composite started to drop sharply at 70% RH and ended up with a more than sixfold reduction at 90% RH. The results highlighted the importance for air conditioning and dehumidification in natural fibre composite fabrication facilities. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
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