Crystallization kinetics and phase development of PbO-BaO-SrO-Nb 2O 5-B 2O 3-SiO 2-based glass-ceramics

Ching Tai Cheng; Michael Lanagan; Beth Jones; Jiang Tsair Lin; Ming Jen Pan

doi:10.1111/j.1551-2916.2005.00551.x

Crystallization kinetics and phase development of PbO-BaO-SrO-Nb ₂O ₅-B ₂O ₃-SiO ₂-based glass-ceramics

Ching Tai Cheng, Michael Lanagan, Beth Jones, Jiang Tsair Lin, Ming Jen Pan

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

The nucleation and crystallization kinetics of PbO-BaO-SrO-Nb2O5-B2O3-SiO2- based glass-ceramics have been investigated. Strontium barium niobate (Sr0.33Ba0.67Nb2O6) with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which nucleates and grows on the surface region of samples. The results of the present study showed an apparent activation energy of 193 kJmol for nucleation, which was controlled by the viscous flow of the glass. Quantitative X-ray analysis and differential thermal analysis showed that the rate-limiting mechanism of crystallization appeared to be a three-dimensional interfacial growth, which has an apparent activation energy of 386-430 kJmol, a value that is close to the dissociation of Si-O bonds in the glass system.

Original language	English (US)
Pages (from-to)	3037-3042
Number of pages	6
Journal	Journal of the American Ceramic Society
Volume	88
Issue number	11
DOIs	https://doi.org/10.1111/j.1551-2916.2005.00551.x
State	Published - Nov 2005

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1551-2916.2005.00551.x

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title = "Crystallization kinetics and phase development of PbO-BaO-SrO-Nb 2O 5-B 2O 3-SiO 2-based glass-ceramics",

abstract = "The nucleation and crystallization kinetics of PbO-BaO-SrO-Nb2O5-B2O3-SiO2- based glass-ceramics have been investigated. Strontium barium niobate (Sr0.33Ba0.67Nb2O6) with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which nucleates and grows on the surface region of samples. The results of the present study showed an apparent activation energy of 193 kJmol for nucleation, which was controlled by the viscous flow of the glass. Quantitative X-ray analysis and differential thermal analysis showed that the rate-limiting mechanism of crystallization appeared to be a three-dimensional interfacial growth, which has an apparent activation energy of 386-430 kJmol, a value that is close to the dissociation of Si-O bonds in the glass system.",

author = "Cheng, {Ching Tai} and Michael Lanagan and Beth Jones and Lin, {Jiang Tsair} and Pan, {Ming Jen}",

year = "2005",

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journal = "Journal of the American Ceramic Society",

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T1 - Crystallization kinetics and phase development of PbO-BaO-SrO-Nb 2O 5-B 2O 3-SiO 2-based glass-ceramics

AU - Cheng, Ching Tai

AU - Lanagan, Michael

AU - Jones, Beth

AU - Lin, Jiang Tsair

AU - Pan, Ming Jen

PY - 2005/11

Y1 - 2005/11

N2 - The nucleation and crystallization kinetics of PbO-BaO-SrO-Nb2O5-B2O3-SiO2- based glass-ceramics have been investigated. Strontium barium niobate (Sr0.33Ba0.67Nb2O6) with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which nucleates and grows on the surface region of samples. The results of the present study showed an apparent activation energy of 193 kJmol for nucleation, which was controlled by the viscous flow of the glass. Quantitative X-ray analysis and differential thermal analysis showed that the rate-limiting mechanism of crystallization appeared to be a three-dimensional interfacial growth, which has an apparent activation energy of 386-430 kJmol, a value that is close to the dissociation of Si-O bonds in the glass system.

AB - The nucleation and crystallization kinetics of PbO-BaO-SrO-Nb2O5-B2O3-SiO2- based glass-ceramics have been investigated. Strontium barium niobate (Sr0.33Ba0.67Nb2O6) with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which nucleates and grows on the surface region of samples. The results of the present study showed an apparent activation energy of 193 kJmol for nucleation, which was controlled by the viscous flow of the glass. Quantitative X-ray analysis and differential thermal analysis showed that the rate-limiting mechanism of crystallization appeared to be a three-dimensional interfacial growth, which has an apparent activation energy of 386-430 kJmol, a value that is close to the dissociation of Si-O bonds in the glass system.

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Crystallization kinetics and phase development of PbO-BaO-SrO-Nb ₂O ₅-B ₂O ₃-SiO ₂-based glass-ceramics

Abstract

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