Preparation and Properties of Oxynitride Glasses Made from Potassium Metaphosphate

Preparation and Properties of Oxynitride Glasses Made from Potassium Metaphosphate

Potassium phosphate oxynitride (KPON) glasses were made by heating crystalline KPO3 at 702° to 775°C in dry ammonia. The softening temperature, thermal expansion coefficient, refractive index, and dissolution rate in water were measured as a function of nitrogen content and compared with the propert...

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Veröffentlicht in:Journal of the American Ceramic Society 1989-09, Vol.72 (9), p.1601-1603
Hauptverfasser: Lei, Xingye, Day, Delbert E.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
glass
Glasses
Manufacture
metaphosphates
nitrides
potassium
processing
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Beschreibung
Zusammenfassung:Potassium phosphate oxynitride (KPON) glasses were made by heating crystalline KPO3 at 702° to 775°C in dry ammonia. The softening temperature, thermal expansion coefficient, refractive index, and dissolution rate in water were measured as a function of nitrogen content and compared with the properties of oxynitride glasses made from LiPO3 and NaPO3.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1989.tb06289.x