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http://dx.doi.org/10.4150/KPMI.2014.21.6.467

Effect of the SiC Size on the Thermal and Mechanical Properties of Reaction-bonded Silicon Carbide Ceramics  

Kwon, Chang-Sup (Engineering Ceramic Team, Korea Institute of Ceramic Engineering and Technology)
Oh, Yoon-Suk (Engineering Ceramic Team, Korea Institute of Ceramic Engineering and Technology)
Lee, Sung-Min (Engineering Ceramic Team, Korea Institute of Ceramic Engineering and Technology)
Han, Yoonsoo (Engineering Ceramic Team, Korea Institute of Ceramic Engineering and Technology)
Shin, Hyun-Ick (Inocera Inc.)
Kim, Youngseok (Inocera Inc.)
Kim, Seongwon (Engineering Ceramic Team, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of Powder Materials / v.21, no.6, 2014 , pp. 467-472 More about this Journal
Abstract
RBSC (reaction-bonded silicon carbide) represents a family of composite ceramics processed by infiltrating with molten silicon into a skeleton of SiC particles and carbon in order to fabricate a fully dense body of silicon carbide. RBSC has been commercially used and widely studied for many years, because of its advantages, such as relatively low temperature for fabrication and easier to form components with near-net-shape and high relative density, compared with other sintering methods. In this study, RBSC was fabricated with different size of SiC in the raw material. Microstructure, thermal and mechanical properties were characterized with the reaction-sintered samples in order to examine the effect of SiC size on the thermal and mechanical properties of RBSC ceramics. Especially, phase volume fraction of each component phase, such as Si, SiC, and C, was evaluated by using an image analyzer. The relationship between microstructures and physical properties was also discussed.
Keywords
RBSC (reaction-bonded silicon carbide); SiC size; Microstructures; Thermal properties; Mechanical properties;
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Times Cited By KSCI : 3  (Citation Analysis)
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