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Sintering, crystallization, and properties of CaO doped cordierite-based glass–ceramics

“…As increasing CaO content from 5 to 10 wt%, the T g decreases from 888 to 886 • C, and the T p also slightly decrease, and its intensity steps down. It is clear that the crystallization peak gets to broadening with an increase content of CaO, which implies that surface crystallization takes place [16]. The above results indicate that the replacement of MgO by CaO influences the crystallization process of the glasses.…”

Thermal and dielectric properties of glass-ceramics sintered based on diopside and anorthite composition

“…Furthermore, if AD3 crystallizes in two crystalline phases at different temperatures, the densification rate is related to the temperature of crystallization as well as to the grain growth of the crystalline phases [14]. Therefore, the different densification rate between the second and third section with AD3 need to be considered with the contents of AD1 and AD2 as well as the T c and T p of the frits.…”

“…A study on the CaO-MgO-SiO 2 glass system [12,13] revealed high strength and low dielectric loss of the glassceramic substrate. The CaO-Al 2 O 3 -SiO 2 system [14] has been recently reported to have a low coefficient of thermal expansion, low dielectric constant and good chemical durability. However, the mechanical properties and dielectric properties are affected by the high porosity and low crystallinity of the glass-ceramic.…”

Sintering, crystallization and properties of MgO–Al2O3–SiO2 system glass-ceramics containing ZnO

“…(1) Transition temperature of glass, T g : it determines the starting sintering temperature. In forming useful LTCC substrates, it is important that no sintering occurs before the complete binder burnout [20]. The binder decomposition temperature is usually in the range of 400-700 • C. (2) Crystallization temperature (T p ): it determines the temperature that the crystal phase starts to grow.…”