Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 72, Issue -, Pages 184-191Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.02.005
Keywords
Carbon fibre; Fabrics/textiles; Impact behaviour; Analytical modelling
Funding
- Swedish Governmental Agency for Innovation Systems (VINNOVA), Swedish-Spanish project DAMTEX within the European AirTN program [Dnr 2013-03485]
- VINNOVA [Dnr 2012-00504]
- Oxeon/TeXtreme(R)
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This article presents analytical models for predicting large mass impact response and damage in thin-ply composite laminates. Existing models for large mass impact (quasi-static) response are presented and extended to account for damage phenomena observed in thin-ply composites. The most important addition is a set of criteria for initiation and growth of bending induced compressive fibre failure, which has been observed to be extensive in thin ply laminates, while it is rarely observed in conventional laminates. The model predictions are compared to results from previous tests on CFRP laminates with a plain weave made from thin spread tow bands. The experiments seem to confirm the model predictions, but also highlight the need to include the effects of widespread bending induced fibre failure into the structural model. (C) 2015 Elsevier Ltd. All rights reserved.
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