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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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Rauhe, Jens Christian M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2017Monitoring self-sensing damage of multiple carbon fiber composites using piezoresistivitycitations
- 2016Strain sensing in single carbon fiber epoxy composites by simultaneous in-situ Raman and piezoresistance measurementscitations
- 2013Processing and characterization of polyurethane nanocomposite foam reinforced with montmorillonite-carbon nanotube hybridscitations
- 2013Processing and characterization of polyurethane nanocomposite foam reinforced with montmorillonite-carbon nanotube hybridscitations
- 2013Evaluation of the anisotropic mechanical properties of reinforced polyurethane foamscitations
- 2012Synthesis of clay-carbon nanotube hybridscitations
- 2012Synthesis of clay-carbon nanotube hybrids:Growth of carbon nanotubes in different types of iron modified montmorillonitecitations
- 2012Modeling the mechanical properties of optimally processed cordierite-mullite-alumina ceramic foams by X-ray computed tomography and finite element analysiscitations
- 2012Investigation of the long term effects of moisture on carbon fibre and epoxy matrix compositescitations
- 2004Large Scale FEM of the effective elastic properties of particle reinforced composites
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article
Investigation of the long term effects of moisture on carbon fibre and epoxy matrix composites
Abstract
The aim of this work is to investigate the long term effects of moisture on the interface between a carbon fibre and an epoxy matrix. High modulus carbon fibres were used to prepare single fibre model composites based on an epoxy resin. The samples were immersed in the seawater and demineralised water and their moisture uptake behaviour was monitored. The equilibrium moisture content and diffusion coefficients for the samples were determined. DSC has been used to analyse the moisture effects on glass transition temperature and thermal stability of the pure epoxy specimens. These results showed a reduction in the glass transition temperature (T) after moisture absorption. Tensile tests were also carried out for the epoxy specimens and a general decrease in the mechanical properties of the epoxy matrix was observed. Raman spectroscopy was used to observe the effects of moisture on the axial strain of the carbon fibre within the composite and stress transfer at the interface as a function of exposure time. The results show that the decrease in the mechanical and interfacial properties of the model composites under the seawater immersion is more significant than under demineralised water immersion.