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http://dx.doi.org/10.7234/composres.2013.26.5.322

Densification of Cf/SiC Composite Using PIP with Adding of Cyclohexene  

Bae, Jin-Cheol (한국세라믹기술원 나노융합지능소재팀)
Cho, Kwang-Youn (한국세라믹기술원 나노융합지능소재팀)
Kim, Jun-Il (데크 주식회사)
Im, Dong-Won (데크 주식회사)
Park, Jong-Kyu (한국국방과학연구소)
Lee, Man-Young (한국국방과학연구소)
Lee, Jae-Yeol (한국국방과학연구소)
Publication Information
Composites Research / v.26, no.5, 2013 , pp. 322-327 More about this Journal
Abstract
Carbon fiber-reinforced SiC matrix composites have good oxidation resistance and thermal shock resistance. These properties have allowed the composites to be applied to high-temperature structures. In this study, $C_f/SiC$ composites were fabricated via precursor infiltration and pyrolysis (PIP) process, including liquid phase infiltration and chemical vapor curing using cyclohexene. The final $C_f/SiC$ composites, which have gone through the PIP process five times, showed a density of $1.79g/cm^3$, as compared to a density of $0.43g/cm^3$ for pre-densified bare carbon fiber preform. As for the oxidation resistance characteristics, the weight of $C_f/SiC$ composite was maintained at 81% at $1400^{\circ}C$ in air for 6 hours. Chemical vapor curing (CVC) using cyclohexene has shown to be an effective method to achieve high densification, leading to increased oxidation resistance.
Keywords
$C_f/SiC$ compoiste; cyclohexene; densification; chemical vapor curing;
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Times Cited By KSCI : 1  (Citation Analysis)
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