Thermal conductivity studies on Si/SiC ceramic composites

Amirthan, G and UdayaKumar, A and Balasubramanian, N (2011) Thermal conductivity studies on Si/SiC ceramic composites. Ceramics International, 37. pp. 423-426. ISSN 0272-8842

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Official URL: http://dx.doi.org/10.1016/j.ceramint.2010.09.003

Abstract

Ceramic heat exchangers are increasingly used in many nuclear power plants. Silicon carbide has been treated as a promising material for heat exchanger application since it has good thermal conductivity and corrosion resistance. In this work, four different types of Si/SiC ceramic composites were prepared by liquid silicon infiltration technique. Thermal conductivities of these ceramic composites at different temperatures are measured by the laser flash thermal conductivity method. Results show that the presence of free carbon and voids are notably affecting the thermal conductivity of these materials.

Item Type: Article
Uncontrolled Keywords: Porosity;Thermal conductivity;SiC;Ceramics
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
CHEMISTRY AND MATERIALS > Composite Materials
Depositing User: Users 11 not found.
Date Deposited: 01 Mar 2012 08:51
Last Modified: 01 Mar 2012 08:51
URI: http://nal-ir.nal.res.in/id/eprint/10361

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