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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1426 (June) (2014)  >  pp.502-508

Journal of the Ceramic Society of Japan
<<Previous article Vol.122  No.1426 (June) (2014)   pp.502 - 508 Next article>>

Performance-properties and fabrication of the reaction sintered Si/SiC honeycomb materials for solar absorber application

In-Sub HAN1), Doo-Won SEO1), Se-Young KIM1), Sang-Kuk WOO1), Hyun-Jin LEE2), Byung-Koog JANG3)
1) Energy Materials and Convergence Research Center, Korea Institute of Energy Research (KIER) 2) Solar Energy Research Center, Korea Institute of Energy Research (KIER) 3) High Temperature Materials Unit, National Institute for Materials Science (NIMS)

Reaction sintered Si/SiC composite was fabricated to apply to a solar absorber and the fabricated material was evaluated on its basic properties and performance. SiC and carbon black were mixed to shape a honeycomb with a multi-channel via vacuum extrusion process. The Si/SiC honeycomb material was also fabricated with less than 5% of pores by molten silicon infiltration in vacuum. The sintered density and porosity of the fabricated material, and the 3-point bending strength at room temperature and high temperature (1100–1300°C) were measured and the thermal conductivity at room temperature and 1100°C were also analyzed. In addition, the fabricated honeycomb material was modulized and installed to a solar absorber system to measure the outlet air temperature and thermal efficiency and evaluate the performance of honeycomb material as a solar absorber material.


Keyword:
Solar absorber materials, Reaction sintered SiC, Si/SiC composites, SiC honeycomb, Extrusion

Received: October 21, 2013
Accepted: March 31, 2014 , Published online: June 01, 2014
Copyright © 2014 The Ceramic Society of Japan

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