Synthesis of Tungsten Phosphate Glasses and Study of Their Thermal Properties

Synthesis of Tungsten Phosphate Glasses and Study of Their Thermal Properties

x WO 3 –(100– x )P 2 O 5 (70 mol % ≤ x ≤ 82 mol %) glasses were obtained by melt quenching. Their thermal properties were studied by the DTA method. It was found that the rise of WO 3 сontent leads to a decrease in thermal stability of glasses and lower glass transition and crystallization temperatu...

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Veröffentlicht in:Russian journal of applied chemistry 2018, Vol.91 (1), p.167-170
Hauptverfasser: Pershina, S. V., Antonov, B. D.
Format: Artikel
Sprache:eng
Schlagworte:
Brief Communications
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Crystallization
Glass transition temperature
Industrial Chemistry/Chemical Engineering
Phosphorus pentoxide
Thermal analysis
Thermal stability
Thermodynamic properties
Tungsten
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Zusammenfassung:x WO 3 –(100– x )P 2 O 5 (70 mol % ≤ x ≤ 82 mol %) glasses were obtained by melt quenching. Their thermal properties were studied by the DTA method. It was found that the rise of WO 3 сontent leads to a decrease in thermal stability of glasses and lower glass transition and crystallization temperatures. The compositions 70WO 3 –30P 2 O 5 and 75WO 3 –25P 2 O 5 are not crystallized in the temperature range 35–950°C.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427218010251