[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.4150/KPMI.2012.19.5.379

Effect of the Size and Amount of SiC on the Microstructures and Thermal Conductivities of ZrB₂-SiC Composite Ceramics

Kim, Seong-Won (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Kwon, Chang-Sup (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Oh, Yoon-Suk (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Lee, Sung-Min (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Hyung-Tae (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)

Publication Information

Journal of Powder Materials / v.19, no.5, 2012 , pp. 379-384 More about this Journal

Abstract

This paper reports the microstructures and thermal conductivities of $ZrB_2$ -SiC composite ceramics with size and amount of SiC. We fabricated sintered bodies of $ZrB_2$ -x vol.% SiC (x=10, 20, 30) with submicron and nanosized SiC densified by spark plasma sintering. Microstructure retained the initial powder size of especially SiC, except the agglomeration of nanosized SiC. For sintered bodies, thermal conductivities were examined. The observed thermal conductivity values are 40~60 W/mK, which is slightly lower than the reported values. The relation between microstructural parameter and thermal conductivity was also discussed.

Keywords

$ZrB_2$ -SiC; Spark plasma sintering; Composite ceramics; Microstructures; Thermal conductivities;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)

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KSCI

Effect of the Size and Amount of SiC on the Microstructures and Thermal Conductivities of ZrB2-SiC Composite Ceramics ZrB2-SiC 복합세라믹스의 미세구조와 열전도도에 미치는 SiC 크기와 첨가량의 영향

Effect of the Size and Amount of SiC on the Microstructures and Thermal Conductivities of ZrB₂-SiC Composite Ceramics