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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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Kratz, James
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (46/46 displayed)
- 2024Effect of pre-curing on thermoplastic-thermoset interphasescitations
- 2024Microstructural analysis of unidirectional composites: a comparison of data reduction schemes
- 2024CFRP layer-by-layer curing using research-based automated deposition systemcitations
- 2024Effects of accelerated curing in thermoplastic particle interleaf epoxy laminatescitations
- 2024Annotator bias and its effect on deep learning segmentation of uncured composite micrographs
- 2024The effect of semi-curing on neat resin mode I fracture propertiescitations
- 2024Optimization and mechanical response of modular infusion compaction and normalization
- 2023A Feasibility Study for Additively Manufactured Composite Tooling
- 2023Effects of heat transfer coefficient variations on composite curingcitations
- 2023Automatic process control of an automated fibre placement machinecitations
- 2023Additively manufactured cure tools for composites manufacturecitations
- 2023In-situ defect detection and correction using real time automated fibre placement
- 2023The influence of key processing parameters on thermoset laminate curingcitations
- 2023The effect of convolutional neural network architectures on phase segmentation of composite material X-ray micrographscitations
- 2022Large Scale Forming of Non-Crimp Fabrics for Aerostructurescitations
- 2022Effects of heat transfer coefficient variations on composite curingcitations
- 2022The Effect of Process Parameters on First Ply Deposition in Automated Fibre Placementcitations
- 2022Tracking consolidation of out-of-autoclave prepreg corners using pressure sensorscitations
- 2022A FEASIBILITY STUDY OF ADDITIVELY MANUFACTURED COMPOSITE TOOLING
- 2021Modelling compaction behavior of toughened prepreg during automated fibre placement
- 2021Lab-based in-situ micro-CT observation of gaps in prepreg laminates during consolidation and curecitations
- 2020Predicting consolidation-induced wrinkles and their effects on composites structural performancecitations
- 2020Experimental characterisation of the in-plane shear behaviour of UD thermoset prepregs under processing conditionscitations
- 2019Modelling of the in-plane shear behavior of uncured thermoset prepreg
- 2019Heat transfer simulation of the cure of thermoplastic particle interleaf carbon fibre epoxy prepregscitations
- 2018Experimental Characterisation of In-plane Shear Behaviour of Uncured Thermoset Prepregs
- 2018Experimental and numerical investigation of full scale impact test on fibre-reinforced plastic sandwich structure for automotive crashworthiness
- 2018Out-of-Autoclave Prepreg Processingcitations
- 2017Improvement of the in-plane crushing response of CFRP sandwich panels by through-thickness reinforcementscitations
- 2017Resource-friendly carbon fiber compositescitations
- 2017An experimental technique to characterize interply void formation in unidirectional prepregscitations
- 2017Resource-friendly carbon fiber composites:combining production waste with virgin feedstockcitations
- 2017Void modelling and virtual testing of prepreg materials from 3D image capture
- 2017Tracking the evolution of a defect, characteristic of AFP layup, during cure with in-process micro-CT scanning
- 2016Predicting wrinkle formation in components manufactured from toughened UD prepreg
- 2016Reclaiming in-process composite waste for use in energy absorbing sandwich structures
- 2016Understanding and prediction of fibre waviness defect generation
- 2016Developing cure kinetics models for interleaf particle toughened epoxies
- 2016Visualising process induced variations in the manufacture of tufted sandwich panels
- 2015Towards the development of an instrumented test bed for tufting visualisation
- 2014Vacuum-bag-only prepreg processing of honeycomb structures
- 2014Vacuum-Bag Manufacturing of Honeycomb Structures
- 2014Vacuum-bag-only prepreg processing of honeycomb structures:From lab-scale experiments to an aircraft demonstrator
- 2013Thermal models for MTM45-1 and Cycom 5320 out-of-autoclave prepreg resinscitations
- 2013Anisotropic air permeability in out-of-autoclave prepregscitations
- 2010Out-of-autoclave honeycomb structures
Places of action
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document
Modelling of the in-plane shear behavior of uncured thermoset prepreg
Abstract
The in-plane shear behavior of prepreg material is one of the key parameters that affect defect generation in composites manufacturing processes, like Automated Fiber Placement (AFP) and Thermoforming. Recently a new characterization method for the in-plane shear of uncured prepreg under processing conditions was proposed. A strong influence of test/deformation rate and temperature was revealed. The present contribution proposes a way forward for predictive modelling of the observed behavior. A phenomenological viscoelastic model at large deformation is proposed. Each of the model components relates to assumed physical micro-mechanical mechanisms such as friction between the fibers, tensile loading of the fibers, etc. The proposed model provides enough flexibility to be able to fit the experimental results well. It was then implemented into ABAQUS as a VUMAT user defined subroutine. Initial model verification was performed by comparing the FE prediction with the experimental data, which suggests that the model will be able to make accurate predictions of the in-plane shear behavior of prepreg under processing conditions for a wide range of temperatures and deformation rates.