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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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Rocha, Iuri
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Physically recurrent neural network for rate and path-dependent heterogeneous materials in a finite strain frameworkcitations
- 2023Machine learning of evolving physics-based material models for multiscale solid mechanicscitations
- 2023Physically recurrent neural networks for path-dependent heterogeneous materialscitations
- 2022Neural networks meet physics-based material models
- 2020Micromechanics-based surrogate models for the response of compositescitations
- 2019A combined experimental/numerical investigation on hygrothermal aging of fiber-reinforced compositescitations
- 2019Interpreting the single fiber fragmentation test with numerical simulationscitations
- 2019Efficient micromechanical analysis of fiber-reinforced composites subjected to cyclic loading through time homogenization and reduced-order modelingcitations
- 2017Hygrothermal ageing behaviour of a glass/epoxy composite used in wind turbine bladescitations
- 2017Combined experimental/numerical investigation of directional moisture diffusion in glass/epoxy compositescitations
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article
A combined experimental/numerical investigation on hygrothermal aging of fiber-reinforced composites
Abstract
<p>This work investigates hygrothermal aging degradation of unidirectional glass/epoxy composite specimens through a combination of experiments and numerical modeling. Aging is performed through immersion in demineralized water. Interlaminar shear testes are performed after multiple conditioning times and after single immersion/redrying cycles. Degradation of the fiber-matrix interface is estimated using single-fiber fragmentation tests and reverse modeling combining analytical and numerical models. A fractographic analysis of specimens aged at 50°C and 65°C is performed through X-ray computed tomography. The aging process is modeled using a numerical framework combining a diffusion analysis with a concurrent multiscale model with embedded hyper-reduced micromodels. At the microscale, a pressure-dependent viscoelastic/viscoplastic model with damage is used for the resin and fiber-matrix debonding is modeled with a cohesive-zone model including friction. A comparison between numerical and experimental results is performed.</p>