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Ultra-refractory ceramics for high-temperature solar absorbers

被引：73
|
作者：
Sani, E. [1 ]
Mercatelli, L. [1 ]
Francini, F. [1 ]
Sans, J. -L. [2 ]
Sciti, D. [3 ]
机构：
[1] CNR INO Natl Inst Opt, I-50125 Florence, Italy
[2] PROMES CNRS Proc, Mat & Solar Energy Lab, F-66120 Font Romeu, France
[3] CNR ISTEC Inst Sci & Technol Ceram, I-48018 Faenza, RA, Italy
来源：
SCRIPTA MATERIALIA | 2011年 / 65卷 / 09期
关键词：
Optical emissivity; Carbides; Solar absorbers; Thermodynamic solar plants; Ultra-high temperature ceramics; BEHAVIOR;
D O I：
10.1016/j.scriptamat.2011.07.033
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
It is well known that the efficiency of thermodynamic solar plants increases with working temperature. At present the main limit to temperature upscaling is the capability of the absorber to withstand high temperatures. The ideal solar absorber works at high temperatures, has a low thermal emissivity and a high absorptivity in the solar spectral range. This paper reports on the high-temperature emissivity characterization of ceramic zirconium carbide samples. The investigation has been performed for samples of different chemical compositions. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：775 / 778
页数：4
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