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Journal of the Korean Ceramic Society 1998;35(1): 1. |
| SiC 휘스커 보강 $Al_2$O$_3$-SiC 복합체의 열간특성 |
| 김윤주, 나용한 |
| 동신대학교 세라믹공학과 |
| Thermal Characteristics of SiC Whisker Reinforced $Al_2$O$_3$-SiC Composite |
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| ABSTRACT |
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SiC whisker reinforced Al2O3-SiC composite was fabricated by reaction synthesis method whish is cost ef-fective and allows good dispersion of whiskers. Fracture strength at room temperature showed the highest value with 150$0^{circ}C$ reaction temperature because a lot of SiC whiskers was formed. Fracture strength at 135$0^{circ}C$ did not show big differences with reaction temperature due to agglomeration of whiskers and formation of sil-icon oxynitride during hot MO(modulus of rupture) test probably promoting grain boundary sliding. |
| Key words:
SiC whisker, Al2O3-SiC composite, Reaction synthesis, Silicon oxynitride, Dispersion of whiskers |
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