Thermomechanical Characterization of Waste Based TESM and Assessment of Their Resistance to Thermal Cycling up to 1000 °C

Antoine Meffre 1, 2 Nicolas Tessier-Doyen 3 Xavier Py 1 Marc Huger 4 Nicolas Calvet 5, 1
1 PROMES - Procédés, Matériaux et Energie Solaire
2 ETC - Eco-Tech-Ceram
3 GEMH - Groupe d'Etudes des Matériaux Hétérogènes
4 SPCTS - Science des Procédés Céramiques et de Traitements de Surface
5 Masdar Institute of Science and Technology [Abu Dhabi]
Abstract : The aim of this work has consisted to study the ability of an innovative thermal energy storage material called Cofalit to withstand thermal shocks under repeated thermal cycles up to 1000 °C. Starting thermomechanical properties (Young’s modulus and thermal expansion coefficient) have also been characterized from room temperature to 1000 °C respectively by non destructive pulse-echography technique and standard dilatometric equipment. As these parameters are strongly dependent on the microstructure evolutions of such Cofalit materials when the temperature evolves, complementary scanning electron microscopy observations have been performed. With a concentrating solar test facility, severe thermal cycles have been imposed at the surface of the tested materials between 500 and 1000 °C. Critical shock and ageing experimental results up to 2500 °C emphasize the sufficient refractoriness. This study highlights the wide potential of this Cofalit material for high temperature applications.
Keywords : Concentrated solar power (CSP) Solar energy Thermal energy storage (TES) Recycled waste Refractory ceramic Microstructure Life time High temperatures Thermomechanical properties
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Journal articles
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https://hal-univ-perp.archives-ouvertes.fr/hal-01313803
Contributor : Olivier Savoyat <>
Submitted on : Tuesday, May 10, 2016 - 2:02:43 PM
Last modification on : Friday, February 15, 2019 - 11:54:04 AM

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UNIV-PERP | UNILIM | IPAM | SPCTS | INC-CNRS | PROMES | GEMH | IRCER

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Antoine Meffre, Nicolas Tessier-Doyen, Xavier Py, Marc Huger, Nicolas Calvet. Thermomechanical Characterization of Waste Based TESM and Assessment of Their Resistance to Thermal Cycling up to 1000 °C. Waste and Biomass Valorization, Springer, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2016, 7 (1), pp 9-21. ⟨10.1007/s12649-015-9431-y⟩. ⟨hal-01313803⟩

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