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J. Korean Ceram. Soc. > Volume 28(5); 1991 > Article
Journal of the Korean Ceramic Society 1991;28(5): 415.
LAS계 내열충격성 재료의 미세구조 제어 (I): $Li_O$.$4B_2O_3$ 프릿트 첨가가 $beta$-Eucryptite 세라믹스의 미세구조 및 열팽창특성에 미치는 영향
박정현, 김현민, 이화선
연세대학교 요업공학과
A Study on the Microstructural Control of LAS Ceramics (I): $Li_O$.$4B_2O_3$ Frit Addition on the Microstructure and Thermal Expansion of $beta$-Eucryptite Ceramics
ABSTRACT
Influence of Li2O.4B2O3 frit addition on the microstructure and thermal expansion properties of $beta$-eucryptite ceramics was studied. With 1.0~10.0wt% frit addition, sintering temperature range was enlarged and densified body was obtained. Thermal expansion was increased from -6.67$times$10-6 $^{circ}C$-1 of pure sintered body to 1.03$times$10-6$^{circ}C$-1 of 6 wt% added body, but this increasement was accompanied by inhibition of thermal expansion anisotropy, so that improved microcracking property.
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