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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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Wiener, Johannes
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Investigation of background noise affecting AE data acquisition during tensile loading of FRPs
- 2023Determination of creep crack growth kinetics of ABS via the C* approach at different temperaturescitations
- 2023Concepts towards bio-inspired multilayered polymer-compositescitations
- 2023Comparing crack density and dissipated energy as measures for off-axis damage in composite laminatescitations
- 2022Mechanical properties of additively manufactured polymeric implant materials in dependence of microstructure, temperature and strain-rate
- 2022Influence of layer architecture on fracture toughness and specimen stiffness in polymer multilayer compositescitations
- 2021Optimization of Mechanical Properties and Damage Tolerance in Polymer-Mineral Multilayer Compositescitations
- 2020Using Compliant Interlayers as Crack Arresters in 3-D-Printed Polymeric Structurescitations
- 2020Exploiting the Carbon and Oxa Michael Addition Reaction for the Synthesis of Yne Monomerscitations
- 2019Application of the material inhomogeneity effect for the improvement of fracture toughness of a brittle polymercitations
- 2019Erhöhung der Bruchzähigkeit durch Multischichtaufbau
- 2019Bioinspired toughness improvement through soft interlayers in mineral reinforced polypropylenecitations
Places of action
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article
Bioinspired toughness improvement through soft interlayers in mineral reinforced polypropylene
Abstract
<p>The effects of soft, polymeric interlayers on a brittle, mineral reinforced polymer matrix are investigated. Interlayers made of a standard polypropylene (PP) and a soft type of PP are introduced into matrix materials of either highly or moderately mineral particle reinforced PP. Single edge notch bending experiments are performed to characterize the fracture toughness of these composites. The experimental J-integral J<sub>exp</sub> is used to describe the fracture toughness of the investigated materials. The multi-layered materials are compared to the homogeneous matrix material. A modified plotting technique is applied to more distinctly demonstrate the effects of soft layers on J<sub>exp</sub> as a function of the crack extension Δa. The fracture toughness is evaluated and the slope of the J-Δa curves is used as a qualitative measure of crack growth resistance. In addition, the crack growth rate is recorded. The results show improvements in fracture toughness of almost twenty times of the matrix material, provided the material combination is chosen properly. This increase in fracture toughness is achieved due to a crack-arresting effect in the soft layers, which is followed by an energy-expensive crack re-initiation step.</p>