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http://dx.doi.org/10.4191/KCERS.2005.42.8.588

Sintering of TiB2 with Polycarbosilane  

Lee, Kwang-Jung (Department of Materials Engineering, Sungkyunkwan University)
Kang, Shin-Hyuk (Department of Materials Engineering, Sungkyunkwan University)
Kim, Deug-Joong (Department of Materials Engineering, Sungkyunkwan University)
Publication Information
Journal of the Korean Ceramic Society / v.42, no.8, 2005 , pp. 588-592 More about this Journal
Abstract
The effect of SiC additive on the densification behavior and microstructural change of $TiB_2$ ceramics was investigated. The infiltration and direct mixing with polycarbosilane (PCS), which was converted to SiC by pyrolysis during sintering, were used for the addition of SiC. The addition of Fe enhanced the densification of $TiB_2$, but which resulted in exaggerated grain growth. However, the addition of PCS enhanced the densification and suppressed the exaggerated grain growth of $TiB_2$. Moreover, the addition of PCS using direct mixing was more effective for suppress of grain growth as compare to the addition of PCS using infiltration.
Keywords
Polycarbosilane; SiC; Infiltration;
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