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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Li, Xiangqian
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2015Modelling the effect of the interacting gaps and overlaps in automated fibre placement (AFP) manufactured laminates.
- 2013A finite element based statistical model for progressive tensile fibre failure in composite laminatescitations
- 2012Numerical investigation of progressive damage and the effect of layup in overheight compact tension testscitations
- 2009Experimental study of damage propagation in Over-height Compact Tension testscitations
- 2008Experimental and modelling study of damage propagation from a notch in overheight compact tnesion tests
Places of action
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article
Experimental study of damage propagation in Over-height Compact Tension tests
Abstract
This paper describes an experimental investigation into progressive damage development in notched fibre-reinforced composites laminates. The Over-height Compact Tension (OCT) test captures the behaviour of laminates typical of large structures and permits the stable formation of a process zone ahead of the crack tip. This allows a study of the influence of sub-critical damage on progression of fibre failure. A range of lay-ups have been tested using dispersed and blocked plies in the thickness direction. The load vs. pin opening displacement (POD) curve is used to characterise the progressive failure of specimens. A number of interrupted tests were performed for each lay-up to capture the sub-critical damage process before the onset of fibre fracture. Results show that dispersed plies promote fibre failure and crack growth whilst blocked plies promote a larger amount of splitting and delamination which in turn causes a larger process zone and ultimately a tougher laminate. (C) 2009 Elsevier Ltd. All rights reserved.