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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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Bernasconi, A.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Acoustic emission approach for identifying fracture mechanisms in composite bonded Joints: A study on varying Substrate’s stacking sequencecitations
- 2024Estimating crack tip position in adhesively bonded joints subjected to mode II quasi‐static loadingcitations
- 2024Mechanical characteristics, microstructural evolution, and reinforcement mechanisms for a cement-matrix nanocomposite
- 2024Acoustic emission approach for identifying fracture mechanisms in composite bonded Jointscitations
- 2023Uncovering the toughening mechanisms of bonded joints through tailored CFRP layupcitations
- 2023Recycling detoxified cement asbestos slates in the production of ceramic sanitary warescitations
- 2023On the use of milled shell-only specimens to study the effect of fiber orientation on the fatigue behavior of a short fiber-reinforced polyamidecitations
- 2023How does “listening” help fracture understanding?
- 2023Sequential extraction procedure of municipal solid waste incineration (MSWI) bottom ash targeting grain size and the amorphous fractioncitations
- 2022Characterization of the Response of Fiber Bragg Grating Sensors Embedded in 3D Printed Continuous Fiberglass Reinforced Composite for Biomedical Applicationscitations
- 2018Corrigendum to “Structural modifications in sub-Tg annealed CuZr-based metallic glass” [Mater. Sci. Eng.: A 707 (2017) 245–252] (S0921509317311607) (10.1016/j.msea.2017.09.013))citations
- 2018Microscopic evidence of the connection between liquid-liquid transition and dynamical crossover in an ultraviscous metallic glass formercitations
- 2018Microscopic evidence of the connection between liquid-liquid transition and dynamical crossover in an ultraviscous metallic glass formercitations
- 2018High temperature investigation of SiO2-Al2O3-ZnO-Na2O glass for ceramic-glaze: in‐situ/ex-situ synchrotron diffraction and conventional approachescitations
- 2018In-situ synchrotron X-ray diffraction studies on effects of plastic and Eelastic loading on bcc phase transformations of a 3rd generation 1 GPa advanced high strength steelcitations
- 2017Structural modifications in sub-T<inf>g</inf> annealed CuZr-based metallic glasscitations
- 2016Modeling the structure of complex aluminosilicate glasses: the effect of zinc additioncitations
- 2015Pair distribution function structural investigation: BaTi1-xCexO3 as a locally disordered perovskite
- 2015A combined synchrotron radiation micro computed tomography and micro X-ray diffraction study on deleterious alkali-silica reactioncitations
- 2015Composition effects on the whiteness and physical-mechanical properties of traditional sanitary-ware glazecitations
- 2015Average and local structural comparison of BaTi1-xCexO3 by pair distribution function
- 2013SANITARY-WARE: FROM THE INDUSTRIAL MACRO CHARACTERIZATION TO THE ATOMIC SCALE ANALYSIS
- 2013A study on fatigue crack propagation in thick composite adhesively bonded jointscitations
- 2012Influence of composition on some industrially relevant properties of traditional sanitary-ware glazecitations
- 2003A multiaxial fatigue life criterion for non-symmetrical and non-proportional elasto-plastic deformation
- 2001A multiaxial fatigue life criterion for non-symmetrical and non-proportional elasto-plastic deformation
Places of action
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document
How does “listening” help fracture understanding?
Abstract
Understanding the relationship between the sensors’ outputs and the damage evolution within the joints is becoming increasingly crucial to improving structural health monitoring systems and collecting data to improve the joint’s design. Therefore, a study of the acoustic emission method associated with visual fracture evaluation was proposed to give insights into the toughening of composite bonded joints and better understand the relationship between the acoustic emission features and the damage mechanism involved. Thus, two different layups were proposed for the substrates: [0]8 and [0/902/0]S. In addition, a toughened epoxy adhesive with an embedded carrier (AF163-2k) was used to bond the substrates. Five specimens of each stacking sequence were tested under quasi-static mode I loading conditions. A travelling microscope and a regular digital camera were used on the lateral sides of the specimens to track the crack propagation paths. One piezoelectric sensor linked to the AMSY-6 Vallen system was used to assess the acoustic emission features produced within the joints during the tests. Unsupervised machine learning algorithms based on artificial neural networks and the Morlet continuous wavelet transformation were used to pattern recognition of the acoustic emission data. Self-organising maps, together with k-means algorithms, were used for data clustering. Following that, the acoustic emission features of each cluster were associated with the insights obtained from the crack propagation images. Finally, it was observed that the different layups triggered simultaneous toughening mechanisms. The combination of the acoustic emission and the visual evaluation was crucial for a deeper understanding of the underlying phenomena.