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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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Moreno, R.
in Cooperation with on an Cooperation-Score of 37%
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Publications (7/7 displayed)
- 2024Manufacture of zircon bulk parts and scaffolds by digital light processingcitations
- 2020Flash sintering of yttria-stabilized zirconia/graphene nano-platelets compositecitations
- 2019Characterization of thermal barriers coatings of Y-TZP/AL2O3/SiC composite obtained by suspension plasma spraying
- 2016Self-supported ceramic substrates with directional porosity by mold freeze castingcitations
- 2012Dense nanostructured zirconia compacts obtained by colloidal filtration of binary mixturescitations
- 2008Fracture behaviour of microcrack-free alumina-aluminium titanate ceramics with second phase nanoparticles at alumina grain boundariescitations
- 2005Direct measurement of the effect of adhesion on powder flow behavior
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document
Direct measurement of the effect of adhesion on powder flow behavior
Abstract
<p>The current study adapts a novel approach to directly measure the effect of particle adhesion on the bulk powder flow characteristics. This is achieved by modifying the adhesion of spherical glass particles (mean size: 38 μm) through a protocol that involves the deposition of surface silane monolayers on individual glass particles. The increase in particle surface energy has been characterized by particle-particle pull off force measurements using Atomic Force Microscopy. An annular shear cell has been used to measure flow properties and to quantify the effect of surface energy of the silanized glass particles on their bulk cohesion. Computer simulations using the Distinct Element Method (DEM) have also been carried out. The DEM simulations use JKR adhesion model to incorporate the surface energy values of glass beads corresponding to the AFM pull-off force measurements. The Unconfined Yield Stress (UYS) and Flow Factor (ff) obtained by the simulations have been compared with the experiments.</p>