| 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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Rowson, Neil
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2020Ironmaking and Steelmaking Slags As Sustainable Adsorbents For Industrial Effluents And Wastewater Treatmentcitations
- 2018Effect of filler particle shape on plastic-elastic mechanical behavior of high density poly(ethylene)/mica and poly(ethylene)/wollastonite compositescitations
- 2017The effect of the extent of polymerisation of a slag structure on the strength of alkali-activated slag binderscitations
- 2016Hollow spheres as nanocomposite fillers for aerospace and automotive composite materials applicationscitations
- 2015Utilisation of residue gas sludge (BOS sludge) for removal of heavy metals from acid mine drainage (AMD)citations
- 2015Correlation of Physicochemical Properties with the Catalytic Performance of Fe-Doped Titanium Dioxide Powderscitations
- 2014The effect of low temperature air plasma treatment on physico-chemical properties of kaolinite/polyethylene compositescitations
- 2013Kinetics of metals adsorption in acid mine drainage treatment with blast furnace slag
- 2004Recent Developments in Microwave Assisted Comminutioncitations
- 2002Bioreduction and biocrystallization of palladium by Desulfovibrio desulfuricans NCIMB 8307citations
- 2001The effect of microwave radiation upon the processing of Neves Corvo copper orecitations
- 2001Dielectric properties of coalcitations
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article
Hollow spheres as nanocomposite fillers for aerospace and automotive composite materials applications
Abstract
There were studied four types of powder filler materials for polyolefin composite parts production for automotive and aerospace industry. There was confirmed, that the particle shape has a strong effect on the acoustic and mechanical properties of the powder bed as influenced by the varying packing density. The calcium carbonate spherical hollow particles exhibited the best aerodynamic performance when aerated and were completely fluidised. Simultaneously they were exhibiting the easy flowing behaviour as reflected in the observed flowability of 4.71. In contrary to this, the flat lamellar geometry of the precipitated calcium carbonate resulted in the worst fluidisation behaviour, as the aeration energy was 2.5× higher in comparison to the spherical particles. Remaining samples under study, i.e. flash calcined kaolin and dolomite powder, exhibited cohesive rheological behaviour as reflected in the observed flowability. There was found a clear correlation between powder rheological and electrostatic charge data with the observed acoustic performance as reflected in the frequency dependence of the normal incident sound damping coefficient. This was demonstrated by a relatively high increase in the damping efficiency with increasing porosity of the powder bed as reflected in the decreasing packing density. However the best fit was found between the absolute value of the electrostatic charge values and the sound damping properties.