Glass forming ability and thermal stability of oxyfluoride glasses

New oxyfluoride glasses based on the system ZrO 2 -Pr 2 O 3 -ZrF 4 -BaF 2 were obtained, and the glass forming ability of this system was evaluated. The effects of glass composition on both thermal stability and the crystalline phases formed upon heat treatment were determined by the DSC and XRD met...

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Veröffentlicht in:	Journal of thermal analysis and calorimetry 2009-05, Vol.96 (2), p.403-406
Hauptverfasser:	Marquesi, A. R., Delben, J. R. J., Delben, A. A. S. T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry Applied sciences Building materials. Ceramics. Glasses Chemical industry and chemicals Chemistry Chemistry and Materials Science Crystal structure Differential scanning calorimetry Exact sciences and technology Forming Glass Glasses Inorganic Chemistry Measurement Science and Instrumentation Oxides Oxyfluorides Phases Physical Chemistry Polymer Sciences Thermal stability
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Beschreibung
Zusammenfassung:	New oxyfluoride glasses based on the system ZrO 2 -Pr 2 O 3 -ZrF 4 -BaF 2 were obtained, and the glass forming ability of this system was evaluated. The effects of glass composition on both thermal stability and the crystalline phases formed upon heat treatment were determined by the DSC and XRD methods, respectively. The composition with higher thermal stability and better glass forming ability contained 2 mol% of oxides.
ISSN:	1388-6150 1588-2926 1572-8943
DOI:	10.1007/s10973-008-9218-5