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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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Schuecker, Clara
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Publications (7/7 displayed)
- 2023Comparing crack density and dissipated energy as measures for off-axis damage in composite laminatescitations
- 2022Efficient prediction of crack initiation from arbitrary 2D notchescitations
- 2022Improved concept for iterative crack propagation using configurational forces for targeted angle correctioncitations
- 2022Efficient Finite Element Modeling of Steel Cables in Reinforced Rubbercitations
- 2021CrackDect: Detecting crack densities in images of fiber-reinforced polymerscitations
- 2019Optimization of the specimen geometry of unidirectional reinforced composites with a fibre orientation of 90° for tensile, quasi-static and fatigue tests
- 2016Hierarchical Architectures to Enhance Structural and Functional Properties of Brittle Materialscitations
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article
Comparing crack density and dissipated energy as measures for off-axis damage in composite laminates
Abstract
To investigate off-axis cracks in composite laminates and their effect on stiffness and hysteretic energy dissipation, fatigue tests were instrumented with automated crack detection to test damage onset and progression. It was found that the onset of stiffness loss correlates well with the onset of matrix cracks, but not with the dissipated energy. To study the transition between experimentally observed damage modes occurring at the micro-scale, the experimentally obtained dissipated energy was compared with Carraro’s model, which predicts this transition based on local stresses. The results show a correlation between the absolute level of dissipated energy and the micro-damage modes.