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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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Fraternali, F.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Experimental characterization and mechanical modeling of additively manufactured TPU components of innovative seismic isolatorscitations
- 2023Mechanics of superelastic tensegrity braces for timber frames equipped with buckling-restrained devicescitations
- 2022Sustainable Building Material: Recycled Jute Fiber Composite Mortar for Thermal and Structural Retrofittingcitations
- 2022Debonding analysis via digital volume correlation during in-situ pull-out tests on fractal fiberscitations
- 2022Debonding analysis via digital volume correlation during in-situ pull-out tests on fractal fiberscitations
- 2022Natural Fibers Reinforced Mortars: Composition and Mechanical Propertiescitations
- 2021On process modelling of cold chamber die casting of Al alloy by using buckingham's Π approachcitations
- 2020Mechanical response of tensegrity dissipative devices incorporating shape memory alloyscitations
- 2020Mechanical characterization of FDM filaments with PVDF matrix reinforced with Graphene and Barium Titanatecitations
- 2019Graphene reinforced composites as sensing elements
- 2019Metal matrix composite from recycled materials by using additive manufacturing assisted investment castingcitations
- 2019Green design of novel metal matrix composites
- 2019Multi-material additive manufacturing of sustainable innovative materials and structurescitations
- 2019Mechanical modeling of superelastic tensegrity braces for earthquake-proof structurescitations
- 2019Design, microstructure and mechanical characterization of Ti6Al4V reinforcing elements for cement composites with fractal architecturecitations
- 2019High-performance Nylon-6 sustainable filaments for additive manufacturing
- 2018Physical-mechanical characterization of biodegradable Mg-3Si-HA compositescitations
- 2017Epoxy/glass fibres composites for civil applications: Comparison between thermal and microwave crosslinking routescitations
- 2016Optimal design and additive manufacturing of novel reinforcing elements for composite materialscitations
- 2016On the reinforcement of cement mortars through 3D printed polymeric and metallic fiberscitations
- 2016Experimental response of additively manufactured metallic pentamode materials confined between stiffening platescitations
- 2015On the additive manufacturing, post-tensioning and testing of bi-material tensegrity structurescitations
Places of action
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article
Debonding analysis via digital volume correlation during in-situ pull-out tests on fractal fibers
Abstract
The quantification of debonding was performed for additively manufactured "fractal" fibers embedded within two brittle matrices. Three pull-out tests were carried out inside of an X-ray tomograph allowing for Digital Volume Correlation analyses. Relative motions at the interfaces were measured thanks to adapted meshes with split nodes. Profiles of normal, tangential and vertical displacement jumps as well as vertical strains in the fibers were used to study interfacial debonding. An articulated load transfer mechanism between the fiber and the matrix was observed in the examined tests, as demonstrated by zigzagged distributions of vertical displacement jumps and vertical strain profiles in the fibers at the initial stages of pull-out. Vertical strain concentrations were observed in correspondence to lateral protrusions (or ribs) of the reinforcing fibers. These results suggest that fiber-matrix interlocking may be affected by geometry-driven tensile stiffening effects between the ribs. For larger values of pull-out displacements, more diffuse damage of the fiber-matrix interface was observed between the ribs, especially in plaster matrices.