http://www.cnr.it/ontology/cnr/individuo/prodotto/ID287515
Tantalum diboride-based ceramics for bulk solar absorbers (Articolo in rivista)
- Type
- Label
- Tantalum diboride-based ceramics for bulk solar absorbers (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Alternative label
Sciti, Diletta; Silvestroni, Laura; Sans, Jean-Louis; Mercatelli, Luca; Meucci, Marco; Sani, Elisa (2014)
Tantalum diboride-based ceramics for bulk solar absorbers
in Solar energy materials and solar cells
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Sciti, Diletta; Silvestroni, Laura; Sans, Jean-Louis; Mercatelli, Luca; Meucci, Marco; Sani, Elisa (literal)
- Pagina inizio
- Pagina fine
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- http://dx.doi.org/10.1016/j.solmat.2014.07.012 (literal)
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- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-ISTEC, Institute of Science and Technology for Ceramics, Via Granarolo 64, I-48018 Faenza, Italy
CNR-INO National Institute of Optics, Largo E. Fermi, 6, I-50125 Firenze, Italy
PROMES-CNRS Processes, Materials and Solar Energy Laboratory, 7 rue du Four Solaire, 66120 Font Romeu, France (literal)
- Titolo
- Tantalum diboride-based ceramics for bulk solar absorbers (literal)
- Abstract
- Ultra-high temperature ceramics (UHTCs) are the ideal material for extreme conditions thanks to very high melting points, high refractoriness and good thermo-mechanical properties at high temperatures. This paper reports, for the first time to the best of our knowledge, on the microstructural and optical characterization of several tantalum diboride (TaB2) samples with density values from 67% to full density. Pristine samples have been investigated at room temperature by means of SEM, XRD and spectral hemispherical reflectance measurements. Thermal emittance in the temperature range 1050-1800 K has been measured. Structural, compositional and optical properties after high temperature exposure have been characterized as well and property changes have been explained. The obtained results favorably compare TaB2 over conventional solar absorbers for novel solar plants operating at higher temperatures. (C) 2014 Elsevier B.V. All rights reserved. (literal)
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