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Kinetics of the Structural Relaxation in Borosilicate Melts

Authors
  • Vatolina, N. D.1
  • Dobrynina, N. Yu.2
  • Vatolin, A. N.1
  • 1 B. N. El’tsin Ural Federal University (UrFU), Ekaterinburg, Russia , Ekaterinburg (Russia)
  • 2 Russian Ministry of Emergency Situations, Ural Institute of the State Firefighting Service, Ekaterinburg, Russia , Ekaterinburg (Russia)
Type
Published Article
Journal
Glass and Ceramics
Publisher
Springer US
Publication Date
Mar 25, 2019
Volume
75
Issue
11-12
Pages
459–464
Identifiers
DOI: 10.1007/s10717-019-00112-7
Source
Springer Nature
Keywords
License
Yellow

Abstract

The kinetics of structural relaxation in oxide systems containing complexing elements—boron and silicon— was studied by the potentiometric method. The effect of the nature and composition of the oxide electrolyte and the quenching temperature on the kinetic parameters of the anionic polymerization process was uncovered. Modeling of the relaxation processes in liquid borosilicates was conducted. Two kinetic schemes of structural relaxation, taking account of the slowness of the depolymerization of silicon oxide complexes and change of the coordination of boron, are examined. The influence of different physical and chemical factors on the rate of the relaxation processes and the equilibration time are analyzed.

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