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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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Yasa, Evren
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Understanding process parameter-induced variability for tailoring precipitation behavior, grain structure, and mechanical properties of Al-Mg-Si-Mn alloy during solid-state additive manufacturingcitations
- 2024Cleaning and coating procedures determine biological properties of gyroid porous titanium implants
- 2024Systematic review on additive friction stir deposition: materials, processes, monitoring and modellingcitations
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applications:an analysis through Timoshenko beam theory, the Gibson-Ashby model and experimental methodscitations
- 2024Characterisation of materials properties and defects in structure fabricated via additive friction stir deposition
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applicationscitations
- 2023Thin-Walled Commercially Pure Titanium Structures: Laser Powder Bed Fusion Process Parameter Optimizationcitations
- 2021The Laser Powder Bed Fusion Process Development of 17-4 PH Stainless Steels with Pulsed-Wave Lasers
- 2021Parametric simulations for residual stresses and distortions of inconel 625 fabricated by laser powder bed fusion additive manufacturing
- 2019Dimensional Accuracy and Mechanical Properties of Chopped Carbon Reinforced Polymers Produced by Material Extrusion Additive Manufacturingcitations
- 2018Additive Manufacturing of Polymer Matrix Compositescitations
- 2012Investigation on the inclusions in maraging steel produced by selective laser melting
- 2012Assessing and comparing influencing factors of residual stresses in selective laser melting using a novel analysis methodcitations
- 2012A preliminary investigation on selective laser melting of M2 high speed steel
- 2011The investigation of the influence of laser re-melting on density, surface quality and microstructure of selective laser melting parts
- 2010Microstructure and mechanical properties of maraging steel 300 after Selective Laser Melting
- 2010Part and material properties in selective laser melting of metals
- 2009Microstructure evolution of selective laser molten 316L stainless steel parts with laser re-melting
- 2009Improving Productivity Rate in SLM of Commercial Steel Powders
- 2009Experimental investigation of laser surface re-melting for the improvement of selective laser melting process
- 2009Investigation on occurrence of elevated edges in Selective Laser Melting
- 2009Rapid Manufacturing Research at the Catholic University of Leuven
- 2009An Experimental study of Process Parameters in Laser Marking
- 2009Experimental Investigation of Charpy Impact Tests on Metallic SLM parts
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article
Dimensional Accuracy and Mechanical Properties of Chopped Carbon Reinforced Polymers Produced by Material Extrusion Additive Manufacturing
Abstract
<jats:p>Fused Filament Fabrication (FFF), classified under material extrusion additive manufacturing technologies, is a widely used method for fabricating thermoplastic parts with high geometrical complexity. To improve the mechanical properties of pure thermoplastic materials, the polymeric matrix may be reinforced by different materials such as carbon fibers. FFF is an advantageous process for producing polymer matrix composites because of its low cost of investment, high speed and simplicity as well as the possibility to use multiple nozzles with different materials. In this study, the aim was to investigate the dimensional accuracy and mechanical properties of chopped carbon-fiber-reinforced tough nylon produced by the FFF process. The dimensional accuracy and manufacturability limits of the process are evaluated using benchmark geometries as well as process-inherent effects like stair-stepping effect. The hardness and tensile properties of produced specimens in comparison to tough nylon without any reinforcement, as well as continuous carbon-reinforced specimens, were presented by taking different build directions and various infill ratios. The fracture surfaces of tensile specimens were observed using a Scanning Electron Microscope (SEM). The test results showed that there was a severe level of anisotropy in the mechanical properties, especially the modulus of elasticity, due to the insufficient fusion between deposited layers in the build direction. Moreover, continuous carbon-reinforced specimens exhibited very high levels of tensile strength and modulus of elasticity whereas the highest elongation was achieved by tough nylon without reinforcement. The failure mechanisms were found to be inter-layer porosity between successive tracks, as well as fiber pull out.</jats:p>