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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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Petersmann, Sandra
Carinthia University of Applied Sciences
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Multi-Material Implant Structures with Medical-Grade Polyurethane via Additive Manufacturingcitations
- 2023Statistical-based optimization of fused filament fabrication parameters for short-carbon-fiber-reinforced poly-ether-ether-ketone considering multiple loading conditionscitations
- 2023Effects of simulated body fluid on the mechanical properties of polycarbonate polyurethane produced via material jettingcitations
- 2023Impact of Multiple Reprocessing on Properties of Polyhydroxybutyrate and Polypropylenecitations
- 2022Mechanical properties of additively manufactured polymeric implant materials in dependence of microstructure, temperature and strain-rate
- 2022Ermüdungsverhalten von 3D-gedrucktem endlosfaserverstärktem Polylactid
- 2022Multimaterial Extrusion-Based Additive Manufacturing of Compliant Crack Arrestercitations
- 2022Effect of die temperature on the fatigue behaviour of PLA produced by means of fused filament fabrication
- 2022The Effects of Washing and Formaldehyde Sterilization on the Mechanical Performance of Poly(methyl Methacrylate) (PMMA) Parts Produced by Material Extrusion-Based Additive Manufacturing or Material Jettingcitations
- 2021Morphology and Weld Strength of a Semi-Crystalline Polymer Produced via Material Extrusion-Based Additive Manufacturing
- 2020Using Compliant Interlayers as Crack Arresters in 3-D-Printed Polymeric Structurescitations
- 2020Processing Conditions of a Medical Grade Poly(Methyl Methacrylate) with the Arburg Plastic Freeforming Additive Manufacturing Processcitations
- 2018Material Development and Modelling of a Thermal Insulation Film in Battery Systems
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article
Multimaterial Extrusion-Based Additive Manufacturing of Compliant Crack Arrester
Abstract
Additive manufacturing is a useful tool for fabricating complex multimaterial structures. Compliant interlayers (ILs) can easily be introduced into stiff materials to increase toughness and stop or impede crack growth, as is done in nature. The aim herein is to analyze the influence of varying IL lengths and thicknesses on crack propagation in 3D-printed polymers at different loading rates. A glycol-modified poly(ethylene terephthalate) is used as a matrix material, while a thermoplastic elastomer on a copolyester basis serves as an compliant IL. Specimen fabrication is done with a fused filament fabrication 3D printer equipped with a multimaterial unit, which allows to print a component composed of several materials within one print. Additively manufactured Charpy samples are tested in three-point bending at loading rates between 0.1 mm min−1 and 3.8 m s−1. The thickness of the IL almost shows no effect on energy absorption as long as remaining in the same printing orientation and loading rate. For varying IL lengths, a constant fight between crack penetration and crack deflection occurs. At low loading rates, the IL acts as a defect. As the loading rate increases, the total absorbed energy of composites increases compared with the pure matrix material.