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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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Bek, Marko
Chalmers University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Tribological behaviour of green wood-based unrecycled and recycled polypropylene compositescitations
- 2023An Intriguing Array of Extrudate Patterns in Long‐Chain Branched Polymers During Extrusion
- 2022Long-term creep compliance of wood polymer compositescitations
- 2022Long-Term Creep Compliance of Wood Polymer Composites: Using Untreated Wood Fibers as a Filler in Recycled and Neat Polypropylene Matrixcitations
- 2021Insight into the surface properties of wood fiber-polymer compositescitations
- 2021Insight into the Surface Properties of Wood Fiber-Polymer Compositescitations
- 2021Neural networks for predicting the temperature-dependent viscoelastic response of PEEK under constant stress rate loading
- 2020Effect of Wood Fiber Loading on the Chemical and Thermo-Rheological Properties of Unrecycled and Recycled Wood-Polymer Compositescitations
- 2020Rheological behaviour of highly filled materials for injection moulding and additive manufacturingcitations
- 2020Needleless electrospinning of PA6 fibers ; Brezigelno elektropredenje vlaken PA6: vpliv koncentracije raztopine in električne napetosti na premer vlakencitations
- 2020Rheological Behaviour of Highly Filled Materials for Injection Moulding and Additive Manufacturingcitations
- 2020Effect of wood fiber loading on the chemical and thermo-rheological properties of unrecycled and recycled wood-polymer compositescitations
- 2018Models to predict the viscosity of metal injection molding feedstock materials as function of their formulationcitations
- 2018Influence of filler types onto the viscosity of highly filled polymers.
- 2018Flow characteristics of highly filled polymers for powder injection molding
- 2016Models to Predict the Viscosity of Metal Injection Molding Feedstock Materials as Function of Their Formulationcitations
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document
Influence of filler types onto the viscosity of highly filled polymers.
Abstract
In Powder Injection Molding (PIM) and Fused Filament Fabrication (FFF) of ceramic and metallic components, thermoplastic polymer compounds are highly-filled with powder of the final material. These feedstocks are used to produce green parts. Later on, the polymeric components are removed in the debinding step and the final components are obtained by sintering. The rheological behavior of these feedstocks is critical for the shaping process and the final properties of the components. The flow behavior of the feedstocks is very sensitive to the amount of fillers in the liquid polymer, the particle size distribution and shape, the nature of the filler and the polymer matrix, and the use of coupling agents or compatibilisers. Several investigations on the influence of the particle size distribution and shape can be found. Here the nature of the filler is also investigated. Thus, three different types of particles were used: steel, aluminium and titanium. Comparable particle size distribution and shape were selected for the different fillers. The different fillers were compounded with a polymer/wax binder system with three different powder loadings. The plate-plate rheological measurements were done and significant differences were observed between the different compounds.