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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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Donadon, Maurício V.
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Topics
Publications (9/9 displayed)
- 2019Translaminar fracture toughness and fatigue crack growth characterization of carbon-epoxy plain weave laminatescitations
- 2019Experimental Characterization of Mode I Interlaminar Fracture Toughness in Low-Melt Paek Thermoplastic Composite Material
- 2019Hygrothermal effects on mode II interlaminar fracture toughness of co-bonded and secondary bonded composites jointscitations
- 2018Strain rate effects on the intralaminar fracture toughness of composite laminates subjected to compressive loadcitations
- 2018An experimental investigation of trailing-edge noise reduction due to elasticity
- 2018Strain rate effects on the intralaminar fracture toughness of composite laminates subjected to tensile loadcitations
- 2017Aeroelastic behavior of stiffened composite laminated panel with embedded SMA wire using the hierarchical Rayleigh–Ritz methodcitations
- 2017Assembly of semi-analytical models to address linear buckling and vibration of stiffened composite panels with debonding defectcitations
- 2016Flutter of stiffened composite panels considering the stiffener's base as a structural elementcitations
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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.