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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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Allegri, G.
Innovate UK
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Topics
Publications (22/22 displayed)
- 2021Hygrothermal effects on the translaminar fracture toughness of a highly toughened aerospace CFRP: Experimental characterisation and model predictioncitations
- 2019An experimental study on micro-milling of a medical grade Co-Cr-Mo alloy produced by selective laser meltingcitations
- 2019Experimental study of Z-pin fatigue; understanding of mode I and II coupon behaviourcitations
- 2016Modelling the degradation behaviour of Z-pins under cyclic loading conditions
- 2016Experimental characterisation of fatigue damage in single Z-pinscitations
- 2015Micro-mechanical finite element analysis of Z-pins under mixed-mode loadingcitations
- 2015Multi-scale modelling for predicting fracture behaviour in through-thickness reinforced laminatescitations
- 2015Temperature effects on mixed mode I/II delamination under quasi-static and fatigue loading of a carbon/epoxy compositecitations
- 2014A novel model of delamination bridging via Z-pins in composite laminatescitations
- 2014High-fidelity fe modelling of Z-pins in quasi-isotropic laminates
- 2014Experimental characterisation of mixed mode traction-displacement relationships for a single carbon composite Z-pincitations
- 2014Delamination resistance of through thickness reinforced composites
- 2014Fatigue delamination initiation in L-bend CFRP coupons
- 2012Temperature effects on the fatigue characterisation of a carbon-epoxy composite material
- 2011A new semi-empirical model for stress ratio effect on mode II fatigue delamination growthcitations
- 2011Tensile Testing Characterization of Asymmetrically Tapered Composite Laminates ; Tensile testing characterization of asymmetrically tapered composite laminates
- 2010A simplified approach to the damage tolerance design of asymmetric tapered laminates. Part I: Methodology developmentcitations
- 2010A simplified approach to the damage tolerance design of asymmetric tapered laminates. Part II: Methodology validationcitations
- 2010A cut ply specimen for the determination of mixed-mode interlaminar fracture toughness
- 2009An approach for dealing with high local stresses in finite element analyses
- 2009On the optimization of tapered composite laminates in preliminary structural design
- 2004Behaviour of hybrid titanium composite laminate (HTCL) under in-plane loading
Places of action
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article
Micro-mechanical finite element analysis of Z-pins under mixed-mode loading
Abstract
This paper presents a three-dimensional micro-mechanical finite element (FE) modelling strategy for predicting the mixed-mode response of single Z-pins inserted in a composite laminate. The modelling approach is based upon a versatile ply-level mesh, which takes into account the significant micro-mechanical features of Z-pinned laminates. The effect of post-cure cool down is also considered in the approach. The Z-pin/laminate interface is modelled by cohesive elements and frictional contact. The progressive failure of the Z-pin is simulated considering shear-driven internal splitting, accounted for using cohesive elements, and tensile fibre failure, modelled using the Weibull's criterion. The simulation strategy is calibrated and validated via experimental tests performed on single carbon/BMI Z-pins inserted in quasi-isotropic laminate. The effects of the bonding and friction at the Z-pin/laminate interface and the internal Z-pin splitting are discussed. The primary aim is to develop a robust numerical tool and guidelines for designing Z-pins with optimal bridging behaviour.