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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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Marinho, Natália
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2023Impact Damage Identification on Composite Structures
- 2022Dynamics-based impact identification method for composite structures
- 2021Effects of mean load on interlaminar fracture behavior of carbon-epoxy prepreg fabric laminates under Mode I fatigue loadingcitations
- 2019Experimental Characterization of Mode I Interlaminar Fracture Toughness in Low-Melt Paek Thermoplastic Composite Material
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document
Experimental Characterization of Mode I Interlaminar Fracture Toughness in Low-Melt Paek Thermoplastic Composite Material
Abstract
Mode I fracture is one of the most widely studied fracture modes in fiber-reinforced polymer structuralcomposites research. On the other hand, fracture properties of thermoplastic structural composites have not beenstudied extensively. This paper presents the determination of opening Mode I strain energy release rate (GI) for areinforced thermoplastic laminate made by a semipreg plain-5H satin weave fabric and a semi-crystalline engineeredpolyarlyetherketone (PAEK) resin. Interlaminar fracture toughness was calculated based on Modified Beam Theory(MBT) method considering a perfectly built-in double cantilever beam. Experimental procedure and calculations tocharacterize Mode I interlaminar fracture toughness was performed according to Double Cantilever Beam (DCB) testmethod described in ASTM D5528-13 using end blocks to introduce opening forces. Comparisons with analyticalsolution using simple beam theory analysis was carried out to verify the obtained results. Finally, a fractographyanalysis was carried out in the tested samples to determine the failure mechanisms involved during the fractureprocess. Results demonstrated that thermoplastic composites usually present enhanced fracture toughness compared tothermosets. This improved fracture behavior is justified mainly due to the higher fracture resistance of crystallinepolymers in comparison to amorphous polymers.