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Porous and dense hafnium and zirconium ultra-high temperature ceramics for solar receivers

  Articoli su Riviste JCR/ISI  (anno 2013)

Autori:  Sani E., Mercatelli L., Sans J-L., Silvestroni L., Sciti D

Affiliazione Autori:  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; CNR-ISTEC, Institute of Science and Technology for Ceramics, Via Granarolo 64, I-48018 Faenza, Italy

Riassunto:  The present work reports on the comparative characterization of optical properties of hafnium and zirconium-based ultra-refractory ceramics at room and high temperature, in view of their possible use in novel solar receivers for thermal solar plants operating at higher temperatures. We show how porosity and surface finishing affect both the spectral reflectance and the high-temperature emittance. Moreover, structural and chemical changes occurring at high temperatures are assessed. (C) 2013 Elsevier B.V. All rights reserved.

Rivista/Giornale:  OPTICAL MATERIALS
Volume n.:  36 (2)      Pagine da: 163  a: 168
Ulteriori informazioni:  Financial support by the Access to Research Infrastructures activity in the 7th Framework Programme of the EU (SFERA Grant Agreement no. 228296) is gratefully acknowledged, as well as the PROMES Director and PROMES Researchers for the use of facilities. Authors thank Mauro Pucci and Massimo D\'Uva (INO-CNR) for technical assistance.
DOI: 10.1016/j.optmat.2013.08.020

*Impact Factor della Rivista: (2013) 2.075   *Citazioni: 19
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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