| People | Locations | Statistics |
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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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Belnoue, Jonathan P.-H.
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (35/35 displayed)
- 2024An accurate forming model for capturing the nonlinear material behaviour of multilayered binder-stabilised fabrics and predicting fibre wrinklingcitations
- 2024That’s how the preform crumples: Wrinkle creation during forming of thick binder-stabilised stacks of non-crimp fabricscitations
- 2024Virtual data-driven optimisation for zero defect composites manufacturecitations
- 2024Parametric study on the effect of material properties, tool geometry, and tolerances on preform quality in wind turbine blade manufacturingcitations
- 2024Process models: A cornerstone to composites 4.0citations
- 2024But how can I optimise my high-dimensional problem with only very little data? – A composite manufacturing applicationcitations
- 2023A comprehensive modelling framework for defect prediction in automated fibre placement of composites
- 2023Thickness Control of Autoclave-Molded Composite Laminatescitations
- 2022Intelligent Composites Forming - Simulations For Faster, Higher Quality Manufacture
- 2022A MODELLING FRAMEWORK FOR THE EVOLUTION OF PREPREG TACK UNDER PROCESSING CONDITIONS
- 2022Understanding tack behaviour during prepreg-based composites’ processingcitations
- 2021On the physical relevance of power law-based equations to describe the compaction behaviour of resin infused fibrous materialscitations
- 2021Consolidation-driven wrinkling in carbon/epoxy woven fabric prepregscitations
- 2021Compaction behaviour of continuous fibre-reinforced thermoplastic composites under rapid processing conditionscitations
- 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
- 2021Hypo-viscoelastic modelling of in-plane shear in UD thermoset prepregscitations
- 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
- 2020A rapid multi-scale design tool for the prediction of wrinkle defect formation in composite componentscitations
- 2019Modelling of the in-plane shear behavior of uncured thermoset prepreg
- 2019A numerical study of variability in the manufacturing process of thick composite partscitations
- 2019Machine-driven experimentation for solving challenging consolidation problems
- 2019Mitigating forming defects by local modification of dry preformscitations
- 2018Modelling process induced deformations in 0/90 non-crimp fabrics at the meso-scalecitations
- 2018Experimental Characterisation of In-plane Shear Behaviour of Uncured Thermoset Prepregs
- 2018Multi-scale modelling of non-uniform consolidation of uncured toughened unidirectional prepregscitations
- 2016Predicting wrinkle formation in components manufactured from toughened UD prepreg
- 2016Understanding and prediction of fibre waviness defect generation
- 2016Cohesive/Adhesive failure interaction in ductile adhesive joints Part Icitations
- 2016An experimental investigation of the consolidation behaviour of uncured prepregs under processing conditionscitations
- 2015The compaction behaviour of un-cured prepregs
- 2012A numerical model for thick composite-metallic adhesive joints
- 2011Adaptive calibration of a nonlocal coupled damage plasticity model for aluminium alloy AA6082 T0
- 2007Modeling crack initiation and propagation in nickel base superalloys
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document
Experimental Characterisation of In-plane Shear Behaviour of Uncured Thermoset Prepregs
Abstract
The generation of defects (such as wrinkles and tow pull off) in the course of the steering process of automated fibre placement (AFP) is one of the critical limitations of this technique for the manufacturing of composite laminates. The in-and out-of-plane properties of the prepreg materials used have a strong influence on the final quality. In this paper, the in-plane shear behaviour of uncured thermoset prepreg was characterised to analyse the limits of steering and derive material parameters for the model predicting defects. An off-axis tensile test was applied to unidirectional uncured prepregs subjected to different testing rates consistent with the AFP processes. Innitial tests on the influence of temperature were also performed. Test parameters were optimized to minimise earlier buckling of thin samples, non-uniformity of strain distribution. The results show expected strain-rate and less-expected strain dependency of apparent viscosity, as well as common trends in material response at range of temperaures as determinded previously for compaction behaviour of the same material. The data presented in this paper opens the way towards a new material model for predicting the quality of the steering of prepreg tapes in automated deposition processes.