| 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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Beauson, Justine
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Topics
Publications (13/13 displayed)
- 2024Optimisation of process-induced residual stresses in composite laminates by different genetic algorithm and finite element simulation coupling methodscitations
- 2024Process-induced residual stresses in composite laminates by different constitutive laws and parametric investigation
- 2019Failure mechanisms in unidirectional self-reinforced biobased composites based on high stiffness PLA fibrescitations
- 2019Failure mechanisms in unidirectional self-reinforced biobased composites based on high stiffness PLA fibrescitations
- 2018Production and performance measurement of self-reinforced PLA composites
- 2017Optimized process for recovery of glass- and carbon fibers with retained mechanical properties by means of near- and supercritical fluidscitations
- 2017Optimized process for recovery of glass- and carbon fibers with retained mechanical properties by means of near- and supercritical fluidscitations
- 2017Optimized process for recovery of glass- and carbon fibers with retained mechanical properties by means of near- and supercritical fluidscitations
- 2016Use of micro-tomography for validation of method to identify interfacial shear strength from tensile tests of short regenerated cellulose fibre composites
- 2016Thermal recycling and re-manufacturing of glass fibre thermosetting compositescitations
- 2015Thermoset composite recycling: Properties of recovered glass fiber
- 2015Thermoset composite recycling: Properties of recovered glass fiber
- 2013Analysis of composition and microstructural uniformity of hybrid glass/carbon fibre composites
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document
Process-induced residual stresses in composite laminates by different constitutive laws and parametric investigation
Abstract
This study invstigated and compared various constitutive laws, including a linear law, cure-hardening instantaneously linear elastic material (CHILE) law, a viscoelastic law, and a path dependent law on the development of the macroscale residual stress during manufacturing by finite element analysis. Considering the complexity of viscoelastic model, a simple model with various Maxwell elements was developed and validated against an analytical model to assess its accuracy. The simulations for composites using all the adopted models indicated that the development of residual stress mainly occurred during the cooling stage. The peak interlaminar normal residual stress (σ<i><sub>zz</sub></i>) within the composites from different models were compared and analysed. Models using a viscoelastic law showed the most conservative residual stress in comparison with those based on the other three approaches. This difference was attributed to the simplification of the material behaviour used in the other laws. A parametric study based on the viscoelastic model was conducted to understand the influence of cure parameters on residual stress, which provided guidelines for optimising the cure protocol.