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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
Strain sensing in single carbon fiber epoxy composites by simultaneous in-situ Raman and piezoresistance measurements
Abstract
The change of electrical resistance in continuous single carbon fibers and single carbon fiber/epoxy model composites with applied strain has been investigated with a new method combining simultaneous in-situ Raman and electromechanical measurements. In all cases, a sudden increase to infinity of the relative electrical resistance corresponds to fiber fracture. The gage factors of the piezoresistance curves were determined. Reinforcement/matrix interface are compared for sized and unsized systems. It is shown that, in principle, it is possible to correlate the fiber strain and the variation of electrical fiber resistance as a function of the applied strain for a single fiber embedded in epoxy. This study indicates that carbon fibers embedded in epoxy matrix may serve as electrical strain sensors to detect both their own onset of damage and that of the composite under load, prior to specimen fracture.