Change of the thermal behavior of 55Bi2O3 ⋅ 45B2O3 glass at annealing close to the vitrification temperature

The characteristic properties of relaxation processes for 55Bi 2 O 3 ⋅ 45B 2 O 3 glass were described. The pattern of changes of the vitrification temperature ( T g ) is found to be quasi-periodic; the value of the endothermic effect near T g (Δ C ’ p ) and the difference between the softening point...

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Bibliographic Details
Published in:Glass physics and chemistry 2016-03, Vol.42 (2), p.149-153
Main Authors: Babitskii, N. A., Zhereb, V. P., Bermeshev, T. V.
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Natural Materials
Physical Chemistry
Thermodynamic properties
Vitrification
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Summary:The characteristic properties of relaxation processes for 55Bi 2 O 3 ⋅ 45B 2 O 3 glass were described. The pattern of changes of the vitrification temperature ( T g ) is found to be quasi-periodic; the value of the endothermic effect near T g (Δ C ’ p ) and the difference between the softening point and the vitrification temperature ( T m – T g ) were determined. The temperature-time parameters of the transition from quasi-periodic to the continuous change of the properties were determined and an explanation of such behavior of the system was offered.
ISSN:1087-6596
1608-313X
DOI:10.1134/S1087659616020024