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Journal of the Korean Ceramic Society 1998;35(7): 706. |
| 알루미나를 첨가한 코디어라이트계 결정화 유리의 소결거동 및 결정화 특성 |
| 박정현, 노재호, 성재석1, 구기덕1 |
연세대학교 세라믹공학과
1전자부품종합기술연구소 |
| The Sintering Mechanism and Crystallization Characteristics of Alumina-filled Cordierite-type Glass-ceramics |
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| ABSTRACT |
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mina powder were sint-ered for 3 hrs at the temperature between 850$^{circ}C$ and 1350$^{circ}C$ The sintering mechanism consists of the redis-tribution of particles occuring at 750$^{circ}C$ and the viscous flow at 850∼950$^{circ}C$. The degree of crystallization and sintering temperatue were dependent upon the ratio of glass/alumina. The second phase from the reaction between glass and alumina was not observed which was confirmed by XRD and properties analysis. The density dielectric constant and specific resistivity of specimen were 2.30∼3.26g/cm2 5.8∼7.38 at 1 GHz density dielectric constant and specific resistivity of specimen were 2.30∼3.26g/cm3 5.8∼7.38 at 1GHz and 1.23∼4.70${times}$107 $Omega$$.$m respectively. |
| Key words:
Cordierite, Glass-ceramics, Crystallizaton, Dielectric constant |
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