| People | Locations | Statistics |
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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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Verboven, Erik
Ghent University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Low-Velocity Impact Resistance and Compression After Impact Strength of Thermoplastic Nanofiber Toughened Carbon/Epoxy Composites with Different Layupscitations
- 2024Low-Velocity Impact Resistance and Compression After Impact Strength of Thermoplastic Nanofiber Toughened Carbon/Epoxy Composites with Different Layupscitations
- 2022Probabilistic ultrasound C-scan imaging of barely visible impact damage in CFRP laminatescitations
- 2021Permanent deformation and stiffness degradation of open hole glass/PA6 UD thermoplastic composite in tension and compressioncitations
- 2021Optimal Design Parameters for a Phased-Array-Based Ultrasonic Polar Scancitations
- 2020Vibrothermographic spectroscopy with thermal latency compensation for effective identification of local defect resonance frequencies of a CFRP with BVIDcitations
- 2019In-plane local defect resonances for efficient vibrothermography of impacted carbon fiber reinforced plastics (CFRP)citations
- 2019Numerical Study of a Phased Array-Based Ultrasonic Polar Scan to Determine Plane-Wave Reflection Coefficients of Platescitations
- 2019Efficient automated extraction of local defect resonance parameters in fiber reinforced polymers using data compression and iterative amplitude thresholdingcitations
- 2018Stress-strain synchronization for high strain rate tests on brittle compositescitations
- 2018Determination of the orthotropic viscoelastic tensor of composites by means of the pulsed ultrasonic polar scan
- 2018Automated extraction of local defect resonance for efficient non-destructive testing of composites
- 2018Multiscale approach for identification of transverse isotropic carbon fibre properties and prediction of woven elastic properties using ultrasonic identificationcitations
- 2018Simulation of a Circular Phased Array for a Portable Ultrasonic Polar Scancitations
- 2018Non-destructive testing of composites by ultrasound, local defect resonance and thermographycitations
- 2017Towards an efficient inverse characterization of the viscoelastic properties of anisotropic media based on the ultrasonic polar scan
Places of action
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article
Permanent deformation and stiffness degradation of open hole glass/PA6 UD thermoplastic composite in tension and compression
Abstract
UD glass/PA6 coupons with an open hole are subjected to tensile and compressive loading. Three layups: [0/90](5s), [+45/-45](5s) and [+45/0/-45/90](3s) with a shape based on ASTM D5766 were tested. Both monotonic loading as well as loading-unloading-reloading tests were executed. The strain field on the sample surface was measured with digital image correlation. This allowed identifying the distribution of the strain field during loading, permanent deformation and the evolution of the sample elastic modulus. This information is not frequently measured. Yet, it is vital for the development and validation of advanced failure models. The results indicate that the thermoplastic matrix allows large plastic deformation under tensile loading for the specimens with layup [+45/-45](5s). In addition, the specimen elastic modulus reduces by about 70%. The other layups show minor permanent deformation, while the elastic modulus reduces by up to 15%. Furthermore, the quasi-isotropic laminate shows a significant post-failure load-bearing capacity under compression loading. The results are complemented with post-mortem damage and fracture observations using optical microscopy and ultrasound inspection.