| 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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Van Dommelen, Johannes A. W.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024A macroscopic viscoelastic viscoplastic constitutive model for porous polymers under multiaxial loading conditionscitations
- 2024Influence of the printing strategy on the microstructure and mechanical properties of thick-walled wire arc additive manufactured stainless steelscitations
- 2023On the anisotropy of thick-walled wire arc additively manufactured stainless steel partscitations
- 2022Anisotropic mechanical properties of Selective Laser Sintered starch-based foodcitations
- 2022Microstructural modeling and measurements of anisotropic plasticity in large scale additively manufactured 316L stainless steelcitations
- 2022A modular framework to obtain representative microstructural cells of additively manufactured partscitations
- 2021Micromechanical modeling of anisotropy and strain rate dependence of short-fiber-reinforced thermoplasticscitations
- 2021Recrystallization-mediated crack initiation in tungsten under simultaneous high-flux hydrogen plasma loads and high-cycle transient heatingcitations
- 2021Improved associated flow rule for anisotropic viscoplasticity in thermoplastic polymer systemscitations
- 2021A novel 3D anisotropic Voronoi microstructure generator with an advanced spatial discretization schemecitations
- 2020Constitutive modeling of injection-molded short-fiber composites: Characterization and model applicationcitations
- 2020Fracture behavior of tungsten-based composites exposed to steady-state/transient hydrogen plasmacitations
- 2019An anisotropic viscoelastic-viscoplastic model for short-fiber compositescitations
- 2019Micromechanical modeling of anisotropic behavior of oriented semicrystalline polymerscitations
- 2018An Anisotropic Elasto-Viscoplastic Model for Short-Fiber Reinforced Polymers
- 2017Micromechanics of semicrystalline polymers: towards quantitative predictionscitations
- 2017An anisotropic elasto-viscoplastic model for short-fiber reinforced polymers
- 2016Long term performance of fiber-reinforced polymers
- 2014A micromechanical study on the deformation kinetics of oriented semicrystalline polymerscitations
- 2014Irreversible mixed mode interface delamination using a combined damage-plasticity cohesive zone enabling unloadingcitations
- 2014Characterisation and modelling of anisotropic thermo-mechanical behaviour of oriented polyethylene terephthalatecitations
- 2013Micromechanical modelling of poly(ethylene terephthalate) using a layered two-phase approachcitations
- 2013Micromechanical modelling of short-term and long-term large-strain behaviour of polyethylene terephthalatecitations
- 2013Anisotropic yielding of injection molded polyethylene: experiments and modelingcitations
- 2012An in situ experimental-numerical approach for characterization and prediction of interface delamination : application to CuLF-MCE systemscitations
- 2012Rate- and temperature-dependent strain hardening of polycarbonatecitations
- 2012Micromechanics of semicrystalline polymers : yield kinetics and long-term failurecitations
- 2011Micromechanical modeling of the deformation kinetics of semicrystalline polymerscitations
- 2010Micromechanical modeling of the elastic properties of semicrystalline polymers: a three-phase approachcitations
- 2010Strain hardening and its relation to Bauschinger effects in oriented polymerscitations
- 2010X-ray computed tomography based modelling of polymeric foamscitations
- 2009Computed tomography-based modeling of structured polymerscitations
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article
Micromechanical modelling of short-term and long-term large-strain behaviour of polyethylene terephthalate
Abstract
A micromechanically based model is used to describe the mechanical behaviour of polyethylene terephthalate (PET) under uniaxial compression up to large strains and at different temperatures. The creep behaviour of isotropic PET is simulated and compared to experimental data to demonstrate the applicability of the model to describe the long-term response. The material is modelled as an aggregate of two-phase layered domains, where different constitutive laws are used for the phases. A hybrid interaction law between the domains is adopted. The crystalline phase is modelled with crystal plasticity and the amorphous phase with the Eindhoven Glassy Polymer model, taking into account material ageing effects. Model parameters for the selected constitutive laws of the phases are identified from uniaxial compression tests for fully amorphous material and semicrystalline material. Texture evolution during the deformation predicted by the model adequately matches previously observed texture evolution.