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http://dx.doi.org/10.4191/KCERS.2002.39.8.721

Crystallization Kinetics by Thermal Analysis (DTA) on Starting Glass Compositions for PDP(Plasma Display Panel) Rib  

Jeon, Young-Wook (Department of Inorganic Materials Engineering, Pusan National University)
Cha, Jae-Min (Department of Inorganic Materials Engineering, Pusan National University)
Kim, Dae-Whan (Department of Inorganic Materials Engineering, Pusan National University)
Lee, Byung-Chul (Department of Inorganic Materials Engineering, Pusan National University)
Ryu, Bong-Ki (Department of Inorganic Materials Engineering, Pusan National University)
Publication Information
Journal of the Korean Ceramic Society / v.39, no.8, 2002 , pp. 721-727 More about this Journal
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.
Keywords
PDP rib glass; Trade-off in compositions-properties-process; Crystallization; DTA;
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