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A study of the primary crystallization of a mixed anion silicate glass

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Authors
Tosić, Mihajlo B.
Živanović, Vladimir D.
Grujić, S.R.
Stojanović, Jovica
Nikolić, Jelena
Article (Published version)
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Abstract
This paper presents the results of a study of the primary crystallization of a multicomponent mixed anion silicate glass. The primary phase, leucite, and the secondary phase, diopside, were formed by surface crystallization, while the secondary phase, phlogopite, was formed by volume crystallization. The influence of the particle size of glass powder samples in the range 0-1 mm on the temperature of the DTA crystallization peak, T-p, the height of the peak, (delta T)(p), and the parameter T-p(2)/(Delta T)(p) was studied. The behaviors of the parameters (delta T)(p) and T-p(2)/(Delta T)(p). depend only on the change in the surface-to-volume nuclei ratio, as is the P case with polymorphic crystallization. However, the particle size ranges in which the surface, volume and mixed crystallization mechanism dominate are considerably narrower for this glass. The influence of the duration of a pre-DTA heat treatment on the parameters T-p, (delta T)(p), and Delta T-p for fixed temperatures in th...e range T = 550-750 degrees C was investigated. The T-p of the samples thermally treated for different times, at fixed temperatures, decreased up to t = 5 h and then increased to a value close to that of an as-quenched sample, after which the value remained constant. The curves of (delta T)(p), and Delta T-p as a function of time for fixed temperatures show a maximum. The influence of the temperature of the pre-DTA heat treatment on the parameters T-p (delta T)(p), and Delta T-p, for fixed times of t = 1-5 h was also investigated. On increasing the pre-DTA heat treatment time, the curves changed significantly. The curves for 3 and 5 h in the temperature range 580-660 degrees C were similar to the nucleation curve, which indicated that the volume nucleation process proceeded in this temperature range. The behavior of these parameters, as a result of the simultaneous action of different nucleation mechanisms and crystal growth differ from those previously reported for the case of polymorphic crystallization.

Keywords:
nucleation / glass ceramics / crystallization / crystal growth
Source:
Journal of Non-Crystalline Solids, 2008, 354, 31, 3694-3704
Publisher:
  • Elsevier Science Bv, Amsterdam

DOI: 10.1016/j.jnoncrysol.2008.04.011

ISSN: 0022-3093

WoS: 000258051500006

Scopus: 2-s2.0-45449120031
[ Google Scholar ]
6
5
URI
https://ritnms.itnms.ac.rs/handle/123456789/144
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - JOUR
AU  - Tosić, Mihajlo B.
AU  - Živanović, Vladimir D.
AU  - Grujić, S.R.
AU  - Stojanović, Jovica
AU  - Nikolić, Jelena
PY  - 2008
UR  - https://ritnms.itnms.ac.rs/handle/123456789/144
AB  - This paper presents the results of a study of the primary crystallization of a multicomponent mixed anion silicate glass. The primary phase, leucite, and the secondary phase, diopside, were formed by surface crystallization, while the secondary phase, phlogopite, was formed by volume crystallization. The influence of the particle size of glass powder samples in the range 0-1 mm on the temperature of the DTA crystallization peak, T-p, the height of the peak, (delta T)(p), and the parameter T-p(2)/(Delta T)(p) was studied. The behaviors of the parameters (delta T)(p) and T-p(2)/(Delta T)(p). depend only on the change in the surface-to-volume nuclei ratio, as is the P case with polymorphic crystallization. However, the particle size ranges in which the surface, volume and mixed crystallization mechanism dominate are considerably narrower for this glass. The influence of the duration of a pre-DTA heat treatment on the parameters T-p, (delta T)(p), and Delta T-p for fixed temperatures in the range T = 550-750 degrees C was investigated. The T-p of the samples thermally treated for different times, at fixed temperatures, decreased up to t = 5 h and then increased to a value close to that of an as-quenched sample, after which the value remained constant. The curves of (delta T)(p), and Delta T-p as a function of time for fixed temperatures show a maximum. The influence of the temperature of the pre-DTA heat treatment on the parameters T-p (delta T)(p), and Delta T-p, for fixed times of t = 1-5 h was also investigated. On increasing the pre-DTA heat treatment time, the curves changed significantly. The curves for 3 and 5 h in the temperature range 580-660 degrees C were similar to the nucleation curve, which indicated that the volume nucleation process proceeded in this temperature range. The behavior of these parameters, as a result of the simultaneous action of different nucleation mechanisms and crystal growth differ from those previously reported for the case of polymorphic crystallization.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Non-Crystalline Solids
T1  - A study of the primary crystallization of a mixed anion silicate glass
EP  - 3704
IS  - 31
SP  - 3694
VL  - 354
DO  - 10.1016/j.jnoncrysol.2008.04.011
UR  - conv_547
ER  - 
@article{
author = "Tosić, Mihajlo B. and Živanović, Vladimir D. and Grujić, S.R. and Stojanović, Jovica and Nikolić, Jelena",
year = "2008",
abstract = "This paper presents the results of a study of the primary crystallization of a multicomponent mixed anion silicate glass. The primary phase, leucite, and the secondary phase, diopside, were formed by surface crystallization, while the secondary phase, phlogopite, was formed by volume crystallization. The influence of the particle size of glass powder samples in the range 0-1 mm on the temperature of the DTA crystallization peak, T-p, the height of the peak, (delta T)(p), and the parameter T-p(2)/(Delta T)(p) was studied. The behaviors of the parameters (delta T)(p) and T-p(2)/(Delta T)(p). depend only on the change in the surface-to-volume nuclei ratio, as is the P case with polymorphic crystallization. However, the particle size ranges in which the surface, volume and mixed crystallization mechanism dominate are considerably narrower for this glass. The influence of the duration of a pre-DTA heat treatment on the parameters T-p, (delta T)(p), and Delta T-p for fixed temperatures in the range T = 550-750 degrees C was investigated. The T-p of the samples thermally treated for different times, at fixed temperatures, decreased up to t = 5 h and then increased to a value close to that of an as-quenched sample, after which the value remained constant. The curves of (delta T)(p), and Delta T-p as a function of time for fixed temperatures show a maximum. The influence of the temperature of the pre-DTA heat treatment on the parameters T-p (delta T)(p), and Delta T-p, for fixed times of t = 1-5 h was also investigated. On increasing the pre-DTA heat treatment time, the curves changed significantly. The curves for 3 and 5 h in the temperature range 580-660 degrees C were similar to the nucleation curve, which indicated that the volume nucleation process proceeded in this temperature range. The behavior of these parameters, as a result of the simultaneous action of different nucleation mechanisms and crystal growth differ from those previously reported for the case of polymorphic crystallization.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Non-Crystalline Solids",
title = "A study of the primary crystallization of a mixed anion silicate glass",
pages = "3704-3694",
number = "31",
volume = "354",
doi = "10.1016/j.jnoncrysol.2008.04.011",
url = "conv_547"
}
Tosić, M. B., Živanović, V. D., Grujić, S.R., Stojanović, J.,& Nikolić, J.. (2008). A study of the primary crystallization of a mixed anion silicate glass. in Journal of Non-Crystalline Solids
Elsevier Science Bv, Amsterdam., 354(31), 3694-3704.
https://doi.org/10.1016/j.jnoncrysol.2008.04.011
conv_547
Tosić MB, Živanović VD, Grujić S, Stojanović J, Nikolić J. A study of the primary crystallization of a mixed anion silicate glass. in Journal of Non-Crystalline Solids. 2008;354(31):3694-3704.
doi:10.1016/j.jnoncrysol.2008.04.011
conv_547 .
Tosić, Mihajlo B., Živanović, Vladimir D., Grujić, S.R., Stojanović, Jovica, Nikolić, Jelena, "A study of the primary crystallization of a mixed anion silicate glass" in Journal of Non-Crystalline Solids, 354, no. 31 (2008):3694-3704,
https://doi.org/10.1016/j.jnoncrysol.2008.04.011 .,
conv_547 .

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