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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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Kolari, Kari
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024The role of printing parameters on the short beam strength of 3D-printed continuous carbon fibre reinforced epoxy-PETG compositescitations
- 2024The role of printing parameters on the short beam strength of 3D-printed continuous carbon fibre reinforced epoxy-PETG compositescitations
- 2024The role of printing parameters on the short beam strength of 3D-printed continuous carbon fibre reinforced epoxy-PETG compositescitations
- 2024The role of printing parameters on the short beam strength of 3D-printed continuous carbon fibre reinforced epoxy-PETG compositescitations
- 2023Modelling of aged reinforced concrete structures for design extension conditions (CONFIT)
- 2022Strength of Ice in Brittle Regime—Multiscale Modelling Approachcitations
- 2022Strength of Ice in Brittle Regime—Multiscale Modelling Approachcitations
- 2022Modelling the effect of concrete cement composition on its strength and failure behaviorcitations
- 2020Numerical assessment of the effects of microcrack interaction in AM componentscitations
- 2012A local remeshing procedure to simulate crack propagation in quasi-brittle materialscitations
- 2010Simulation of ice crushing experiment using FE-model update technique
- 2009Modeling and verification of creep strain and exhaustion in a welded steam mixercitations
- 2008Modelling and verification of creep strain and exhaustion in a welded steam mixer
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article
The role of printing parameters on the short beam strength of 3D-printed continuous carbon fibre reinforced epoxy-PETG composites
Abstract
It is well known that printing parameters strongly affect the mechanical performance of 3D printed parts. This work explores the role of i) extruder temperature, ii) print speed, and iii) layer height on the interlaminar strength of 3D-printed continuous fibre-reinforced composites. The carbon fibre-reinforced thermoset filament is printed concomitantly with polyethylene terephthalate glycol (PETG) thermoplastic filament in a single nozzle, characterising a continuous fibre co-extrusion (CFC) process. There is a significant variation in the short beam strength for composites printed with different parameters. The load–displacement curves have a similar pattern, with clear load peaks followed by a plastic zone. Optical micrographs and computed tomography (CT) scans reveal that the microstructure is dependent on the printing parameters. Image analysis elucidates the various mechanisms of void formation. Following the application of a three-way ANOVA and statistical tests to quantify the effects and interactions among variables, the analysis concludes that the extruder temperature has the highest influence, followed by print speed and layer height. When considering all possible interactions between the factors, the interaction between print speed and layer height is the most impactful.