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The investigation of inner structural damage of UV and heat degraded polymer composites using X-ray micro CT

Identifieur interne : 006A16 ( Main/Merge ); précédent : 006A15; suivant : 006A17

The investigation of inner structural damage of UV and heat degraded polymer composites using X-ray micro CT

Auteurs : Firas Awaja [Australie] ; Minh-Tam Nguyen [France] ; SHENGNAN ZHANG [Australie] ; Benedicta Arhatari [Australie]

Source :

Composites. Part A, Applied science and manufacturing [ 1359-835X ] ; 2011.

RBID : Pascal:11-0492627

Descripteurs français

Pascal (Inist)
- Endommagement, Stratifié, Matériau composite, Epoxyde résine, Fibre carbone, Tissu verre, Matériau renforcé fibre, Dégradation photochimique, Rayonnement UV, Délaminage, Méthode non destructive, Méthode étude, Tomographie numérique, Rayon X, Stabilité photochimique, Etude expérimentale, Vieillissement accéléré, Fibre minérale, Tissu textile, Vieillissement photochimique.
Wicri :
- topic : Matériau composite.

English descriptors

KwdEn :
- Artificial ageing, Carbon fiber, Composite material, Computerized tomography, Damaging, Delamination, Epoxy resin, Experimental study, Fiber reinforced material, Glass fiber fabric, Investigation method, Laminate, Mineral fiber, Non destructive method, Photochemical degradation, Photochemical stability, Ultraviolet radiation, Woven material, X ray.

Abstract

Accelerated UV degradation conditions were imposed on different epoxy resin composites reinforced with carbon fibre, 3D parabeam glass, and E-glass. X-ray micro computed tomography (XμCT) was used to evaluate the changes in the composites' inner structure as a result of the treatment. Structural damage factors such as density changes, reinforcement filler damage, homogeneity, cracks and microcracks were examined. XμCT 3D images, 2D reconstructed slices and void calculations showed cracks in all composites with different shapes and volume in response to the UV degradation conditions. 3D-glass reinforced epoxy composites showed the least amount of damage in comparison with other composites. E-glass suffered the most damage upon UV degradation. Most of the structural damage in both 3D-glass and E-glass composites occurred in the resin matrix in the near-surface region, while internal damage was present in the form of delamination in the carbon fibre composite.

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Pascal:11-0492627

Le document en format XML

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<term>Delamination</term>
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<term>Epoxyde résine</term>
<term>Fibre carbone</term>
<term>Tissu verre</term>
<term>Matériau renforcé fibre</term>
<term>Dégradation photochimique</term>
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<front><div type="abstract" xml:lang="en">Accelerated UV degradation conditions were imposed on different epoxy resin composites reinforced with carbon fibre, 3D parabeam glass, and E-glass. X-ray micro computed tomography (XμCT) was used to evaluate the changes in the composites' inner structure as a result of the treatment. Structural damage factors such as density changes, reinforcement filler damage, homogeneity, cracks and microcracks were examined. XμCT 3D images, 2D reconstructed slices and void calculations showed cracks in all composites with different shapes and volume in response to the UV degradation conditions. 3D-glass reinforced epoxy composites showed the least amount of damage in comparison with other composites. E-glass suffered the most damage upon UV degradation. Most of the structural damage in both 3D-glass and E-glass composites occurred in the resin matrix in the near-surface region, while internal damage was present in the form of delamination in the carbon fibre composite.</div>
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<country name="France"><region name="Grand Est"><name sortKey="Nguyen, Minh Tam" sort="Nguyen, Minh Tam" uniqKey="Nguyen M" first="Minh-Tam" last="Nguyen">Minh-Tam Nguyen</name>
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The investigation of inner structural damage of UV and heat degraded polymer composites using X-ray micro CT

The investigation of inner structural damage of UV and heat degraded polymer composites using X-ray micro CT

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri