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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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Mohamed, Galal F. A.
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Topics
Publications (7/7 displayed)
- 2016Interaction of Z-pins with multiple mode II delaminations in composite laminatescitations
- 2016Influence of Z-pin embedded length on the interlaminar traction response of multi-directional composite laminatescitations
- 2016Dynamic mode II delamination in through thickness reinforced compositescitations
- 2014Investigation of Delamination Modeling Capabilities for Thin Composite Structures in LS-DYNA
- 2014Modelling soft body impact of through-thickness reinforced composites
- 2012Modelling damage and fracture of fibre metal laminates subject to blast loading
- 2012Blast resistance and damage modelling of fibre metal laminates to blast loadscitations
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article
Influence of Z-pin embedded length on the interlaminar traction response of multi-directional composite laminates
Abstract
The work in this paper investigated the performance of composites through-thickness reinforcing Z-pins as a function of their embedded length in pre-preg laminates. Single Z-pins were inserted into multidirectional carbon fibre laminates with increasing thicknesses, corresponding to embedded lengths from 1 mm to 10 mm and tested through a range of mixed mode displacement ratios to investigate their interlaminar bridging traction response. Detailed analysis of the tests revealed a non-linear tangential friction response and its strong dependence on the embedded length of the Z-pin. Using a new power law empirical relationship for the tangential friction force per unit length, a modified Z-pin bridging traction analytical model was proposed, giving good predictions of the full mixed mode bridging mechanics of a CFRP Z-pin in a multidirectional composite laminate of varying thickness. Several characteristics of the model are discussed and their influence on the predicting the Z-pin bridging energy response have been analysed.