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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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Khalil, Khaled
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Topics
Publications (6/6 displayed)
- 2024Synergistic antibacterial and anticancer activity in gadolinium–chitosan nanocomposite films: A novel approach for biomedical applicationscitations
- 2022Impact strength of thermally aged double lap adhesively bonded jointscitations
- 2019Multilayered models for determining the Young's modulus of thin films by means of Impulse Excitation Techniquecitations
- 2018Moisture diffusion in composites tubes: Characterization and identification of microstructure-properties relationshipcitations
- 2015Finite element analysis of adhesively bonded composite joints subjected to impact loadingscitations
- 2011Experimental investigation of the shear dynamic behavior of double-lap adhesively bonded joints on a wide range of strain ratescitations
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article
Moisture diffusion in composites tubes: Characterization and identification of microstructure-properties relationship
Abstract
This work aims at highlighting some microstructure-properties relationships; namely: the effect of the microstructure on the diffusive behavior of composites tubes obtained by filament winding technique. Composites tubes are made from either glass or carbon fibers impregnated with the same epoxy matrix cured at 150℃. Specimens were rings cut from tubes. Three winding angles were investigated: ± 42°, ±56° or ±78°. Glass and carbon/epoxy tubes present a strongly different void content, respectively, 1.7% and 5.7%. Immersion aging tests were conducted in distilled water at 70℃. Results show that despite both glass and carbon composites are made of the same resin, moisture uptake exhibits strong discrepancies between glass/epoxy and carbon/epoxy samples. An investigation of the most appropriate diffusion model for glass and carbon/epoxy specimens is developed in this paper, based on an experimental study of the microstructure of these composites owing to various complementary characterization methods. Glass/epoxy rings exhibit a Fickian diffusion, whereas carbon/epoxy specimens do not match a Fickian diffusion. A dual-stage Fickian law is discussed and seems to fit quite well in experimental observations.