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Journal of the Korean Ceramic Society 1981;18(1): 41. |
| 탄화규소-점토-Kaolin Chamotte 계의 소결에 미치는 첨가제 $Al_2O_3$의 영향 |
| 백용혁, 박종훈1 |
전남대 공대
1조흥내화공업사 |
| Effect of $Al_2O_3$ as Additives on the Sintering of Sic-Clay-Kaolin Chomotte System |
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| ABSTRACT |
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The sintering characteristics of the SiC-Clay-Kaolin chamotte system were studied by addition of $Al_2O_3$ for the manufacture of silicate-bonded silicon carbide refractories at $1350^{circ}C$. The sinterbilit of SiC-Binder mixture was measured by apparent porosity and compressive strength. And its mineral compositions were identified with X-ray diffractometer. The following results were obtained; 1) Optimum amount of mixed clay ($textrm{Al}_2textrm{O}_3$ 40 wt% mixed) as a binder was about 25wt% 2) Appropriate mixing ratio of mixed Kaolin chamotte ($textrm{Al}_2textrm{O}_3$ 40wt% mixed) was about 30wt% in the clay Kaolin chamotte binder. 3) Variation of apparent porosity and compressive strength of sintered SiC-binder mixture fired at $1350^{circ}C$ were due to the sinterbility of clay. |
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