Synthesis and Properties of <TEX>$Al_2O_3-SiC$</TEX> Composites from Alkoxide

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J. Korean Ceram. Soc. > Volume 32(10); 1995 > Article

Journal of the Korean Ceramic Society 1995;32(10): 1212.

알콕사이드로부터 $Al_2O_3-SiC$ 복합재료의 제조 및 특성

이형민, 이홍림, 조덕호¹

연세대학교 공과대학 세라믹공학과
¹요업기술원 정밀요업과

Synthesis and Properties of $Al_2O_3-SiC$ Composites from Alkoxide

ABSTRACT

Al2O3-coated SiC composite powder and mechanically mixed Al2O3-SiC composite powder were synthesized using Al-isopropoxide and commercial SiC as the starting materials. Experiment results showed that the sinterability of Al2O3-coated SiC composite powder was more improved than the mechanically mixed Al2O3-SiC composite powder by the effect of homogeneous coating of alumina around SiC particles. Hence, the mechanical properties of the former was also much more improved than the latter.

Key words: Al-isopropoxide, $Al_2O_3-SiC$ composite, Homogeneous coating, Sinterability, Mechanical properties