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J. Korean Ceram. Soc. > Volume 39(8); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(8): 721.
doi: https://doi.org/10.4191/kcers.2002.39.8.721
열분석에 의한 PDP 격벽용 출발유리조성의 결정화 특성 연구
전영욱, 차재민, 김대환, 이병철, 류봉기
부산대학교 무기재료공학과
Crystallization Kinetics by Thermal Analysis (DTA) on Starting Glass Compositions for PDP(Plasma Display Panel) Rib
Young-Wook Jeon, Jae-Min Cha, Dae-Whan Kim, Byung-Chul Lee, Bong-Ki Ryu
Department of Inorganic Materials Engineering, Pusan National University
ABSTRACT
In order to overcome trade-off among compositions, process and properties of the glasses with high PbO-base composition for PDP Rib, we studied glass crystallization and crystallization kinetics by Differential Thermal Analysis(DTA). Glass powder was obtained through melting/cooling/grinding, with 3 wt%TiO2 addition for the crystal nucleation and growth in $62PbO-19B_2O_3-10SiO_2-9(Al_2O_3-K_2O-BaO-ZnO)$(in wt%) composition glass. This powder was heat-treated for 1 to 10 h at $445^{circ}C$ for nucleation. DTA measurements were performed to obtain the crystallization peak with $5∼25^{circ}C/min$ heating rates. DTA crystallization peak temperature increased with increasing the heating rate and decreased with increasing the heating time. Because the Avrami parameter (n) was approximately 1, the surface crystallization occurred. The maximum nucleation time was 2 h.
Key words: PDP rib glass, Trade-off in compositions-properties-process, Crystallization, DTA
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