Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 58, Issue -, Pages 73-76Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2013.12.001
Keywords
Laminates; Strength; Stress concentrations; Nanofiber
Funding
- TUBITAK [109M651]
- European Commission [FP7-PEOPLE-2010-IOF-274737]
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Epoxy compatible P(St-co-GMA) copolymer based nanofibrous mats are introduced by electrospinning onto uni-directional (UD) and 0/90 twill weave carbon fiber/epoxy prepreg systems as interlayers. Anticipated in-plane strength improvement via higher matrix cracking resistance at the free edges, nanofibrous interlayered composites are verified by uni-axial tension tests on (0)(6) and (0/90)(6woven) laminates. The ultimate tensile strength of the (0)(6) laminates increased by 12%, whereas the tensile strength of the woven fabric composites increased by 18%. A localized interlayer reinforcing approach where the interlayers are incorporated at the vicinity of the hole is evaluated via open hole tension (OHT) tests of (0/90)(6woven) laminates. The OHT strength increased by 9%. (C) 2013 Elsevier Ltd. All rights reserved.
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