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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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| 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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| Azam, Siraj |
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| Ali, M. A. |
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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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Alkan, Gözde
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Topics
Publications (7/7 displayed)
- 2023Protective Coatings for Enhanced Performance of Oxide-Oxide Composites
- 2023Rapid Evaluation of the Particle-Erosion Resistance of Al2O3 Ceramics, Composites, and Coatings using a Resonant Acoustic Mixercitations
- 2023Assessment of Oxide Based Ceramic Matrix Composites as Hot Particle Transport System Components for Solar Thermal Applications
- 2023Potential of Corundum and Metallurgical slags as filler materials for a molten-salt based thermocline storage concept
- 2023Effect of TEBC on the Performance of Al2O3/Al2O3 Ceramic Matrix Composites
- 2018Novel Approach for Enhanced Scandium and Titanium Leaching Efficiency from Bauxite Residue with Suppressed Silica Gel Formationcitations
- 2017A Mineralogical Assessment on Residues after Acidic Leaching of Bauxite Residue (Red Mud) for Titanium Recoverycitations
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article
Rapid Evaluation of the Particle-Erosion Resistance of Al2O3 Ceramics, Composites, and Coatings using a Resonant Acoustic Mixer
Abstract
The solid particle technology usage in concentrated solar power plants as direct heat absorption and storage medium necessitate well selection of the materials for the components such as transport and sluice systems, which are in direct contact with moving and falling hot particles up to 1500 ˚C.Beyond mechanical properties, chemical inertness and high temperature stability, abrasion/erosion resistance is one of the key properties, for which, there is no easy-applicable and rapid test method exist enabling controlled lab-scale parametric studies. A novel particle impact test was established using a resonance acoustic mixer, in which ceramic particles are strongly accelerated and collide to the ceramic surface within a closed vessel. After determination of the most representative parameters such as ceramic ball size, vessel diameter and retainment/removal of debris, selected experiments were conducted on three candidate materials aimed to be used as high temperature transport/port systems; dense C 799 Al2O3, porous water-plasma sprayed Plascera-type Al2O3 and WHIPOX-type Al2O3/Al2O3 ceramic matrix composites with porous matrix; with and without porous protective Al2O3 coating. The distinct mass loss behavior of candidate materials highlighted the viability of the test method and the relevance of microstructures of porous Al2O3 materials on abrasion resistance.