Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 72, Issue -, Pages 11-21Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.01.028
Keywords
Carbon fibre; Fracture toughness; Mechanical testing; Electrospinning
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In this study, the effects of interleaved nanofibre veils on the Mode I and Mode II interlaminar fracture toughness (ILFT) of autoclave cured unidirectional carbon/epoxy composite laminates were investigated. Various electrospun nanofibre veils consisting of a range of different polymer types, fibre diameters and veil architectures were placed in the laminate mid-planes, which were subsequently subjected to double cantilever beam and end-notch flexure tests. It was found that the polymer type and veil areal weight were the most important factors contributing to laminate performance. A 4.5 g/m(2) PA66 veil provided the best all-round performance with fracture toughness improvements of 156% and 69% for Mode I and Mode II, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
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