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Influence of the Structure of the Glasses from the BaO–La2O3–B2O3–ZrO2–TiO2–SiO2–Nb2O5 System on Their Thermal Expansion and Technological Characteristics

Influence of the Structure of the Glasses from the BaO–La2O3–B2O3–ZrO2–TiO2–SiO2–Nb2O5 System on... The results of studying the crystallization ability and the thermal linear expansion coefficient of glasses of the BaO–La2O3-B2O3–ZrO2–TiO2–SiO2–Nb2O5 system, intended for the production of a light-guiding core of a rigid optical fiber, are presented. Transmission electron microscopy has established the nature of silencing of the studied glasses during production. With the help of X-ray phase analysis, the main crystalline phases that precipitate during heat treatment of glass samples were established. The compositions of glasses characterized by a minimum tendency to crystallization are determined. The effect of the chemical composition of glasses on their structure was established by infrared spectroscopy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Glass Physics and Chemistry Springer Journals

Influence of the Structure of the Glasses from the BaO–La2O3–B2O3–ZrO2–TiO2–SiO2–Nb2O5 System on Their Thermal Expansion and Technological Characteristics

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References (19)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2022. ISSN 1087-6596, Glass Physics and Chemistry, 2022, Vol. 48, No. 5, pp. 341–350. © Pleiades Publishing, Ltd., 2022. Russian Text © The Author(s), 2022, published in Fizika i Khimiya Stekla.
ISSN
1087-6596
eISSN
1608-313X
DOI
10.1134/s1087659622600296
Publisher site
See Article on Publisher Site

Abstract

The results of studying the crystallization ability and the thermal linear expansion coefficient of glasses of the BaO–La2O3-B2O3–ZrO2–TiO2–SiO2–Nb2O5 system, intended for the production of a light-guiding core of a rigid optical fiber, are presented. Transmission electron microscopy has established the nature of silencing of the studied glasses during production. With the help of X-ray phase analysis, the main crystalline phases that precipitate during heat treatment of glass samples were established. The compositions of glasses characterized by a minimum tendency to crystallization are determined. The effect of the chemical composition of glasses on their structure was established by infrared spectroscopy.

Journal

Glass Physics and ChemistrySpringer Journals

Published: Oct 1, 2022

Keywords: optical glass; light-guiding core; lanthanum oxide; refractive index; thermal linear expansion coefficient; glass structure

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