| People | Locations | Statistics |
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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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Van Drongelen, Martin
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Investigating the influence of additive polymer molecular weights on the mechanical performance of recycled thermoplastic composites
- 2023Estimating minimum required dwell time for the heat sealing of talc containing polypropylene/low‐density polyethylene packaging filmscitations
- 2022Process- and material-induced heterogeneities in recycled thermoplastic compositescitations
- 2022An experimentally validated model for quiescent multiphase primary and secondary crystallization phenomena in PP with low content of ethylene comonomercitations
- 2022Modelling of Recycled Fibre-Reinforced Polymer Composites
- 2022Influence of electron-beam irradiation on plasticity-controlled and crack-growth-controlled failure in high-density polyethylenecitations
- 2021Long-term failure of transversely loaded glass/iPPcitations
- 2021Deformation and failure kinetics of polyvinylidene fluoride: Influence of crystallinitycitations
- 2021On the temperature evolution during continuous laser-assisted tape winding of multiple C/PEEK layerscitations
- 2021Influence of the Polymer Interphase Structure on the Interaction between Metal and Semicrystalline Thermoplasticscitations
- 2021Formation of Flat-on Lamellar Crystals in Absence of Nanoconfinementcitations
- 2020Non-uniform crystallinity and temperature distribution during adjacent laser-assisted tape winding process of carbon/PA12 pipescitations
- 2020A new global kinematic-optical-thermal process model for laser-assisted tape winding with an application to helical-wound pressure vesselcitations
- 2020The influence of physical ageing on the in-plane shear creep compliance of 5HS C/PPScitations
- 2020Effect of shear rate and pressure on the crystallization of PP nanocomposites and PP/PET polymer blend nanocompositescitations
- 2020Optimization of the laser-assisted tape winding process using an inverse kinematic-optical-thermal modelcitations
- 2019Impact of thermal processing or solvent casting upon crystallization of PLA nanocellulose and/or nanoclay compositescitations
- 2019Shredding and sieving thermoplastic composite scrapcitations
Places of action
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article
Process- and material-induced heterogeneities in recycled thermoplastic composites
Abstract
A novel recycling solution for thermoplastic composites (TPCs) was recently implemented. The processing steps comprise shredding of TPC offcuts to flakes of a few centimetres, melting and blending of the flakes in a low-shear mixer, extrusion of a molten mixed dough and subsequent compression moulding in a press. This material and process are similar to the compression moulding of long-fibre thermoplastics (LFTs) that have been in the market for decades, such as glass mat thermoplastics (GMT) or direct-LFT. However, the input material in this recycling route consists of multi-layered woven flakes, which is very different from the pellets or chopped rovings of other LFTs. Process- and material-induced heterogeneities such as fibre orientation, percolation, variation of fibre fraction, or fibre attrition may be different for this new material. The development of this recycling technology and future industrial applications require more confidence in the material and process. The objective of this study is to characterise these heterogeneities for this recycling solution, and compare them to those generated in regular LFTs. It was found that the process- and material-induced heterogeneities of the recycled TPCs are similar to other LFTs, for the aspects listed here: fibre orientation, percolation, variation of fibre fraction and fibre attrition. In comparison to GMT, the effect of the mixing step is particularly noticeable on the local variation of fibre fraction within the panels. Industrial applications of this recycling route will benefit from this similarity, as it improves the confidence in the material and process combination.