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Influence of internally dropped-off plies on the impact damage of asymmetrically tapered laminated CFRP

Abdulhamid, Hakim and Bouvet, Christophe and Michel, Laurent and Aboissière, Jacky and Minot, Clément Influence of internally dropped-off plies on the impact damage of asymmetrically tapered laminated CFRP. (2015) Composites Part A: Applied Science and Manufacturing, 68. 110-120. ISSN 1359-835X

(Document in English)

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Official URL: http://dx.doi.org/10.1016/j.compositesa.2014.09.024


This paper presents an experimental study of low velocity impact response of carbon/epoxy asymmetrically tapered laminates. The tests are realised at energy between 10 and 30 J on two types of layup with multiple terminated plies. The type and localisation of damage are analysed using C-scan and micrographs. Then, the data is compared with the response of corresponding respective plain laminate. The effects of some tapering parameters (taper angle, drop-off disposition and configuration) on the impact damage mechanisms are also investigated. Very similar impact damage phenomena are found between tapered and plain laminates. The presence of material discontinuity due to the resin pocket affects less the damage mechanism than the structural difference between the thick and the thin sections.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Composites Part A: Applied Science and Manufacturing website: http://www.sciencedirect.com/science/journal/1359835X/68/supp/C
HAL Id:hal-01094592
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Sogeti (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:12 Dec 2014 15:10

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