Glass-forming ability of soda lime borate liquids

Qiuju Zheng, John C. Mauro, Morten M. Smedskjaer, Randall E. Youngman, Marcel Potuzak, Yuanzheng Yue

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26 Scopus citations


We investigate the composition dependence of glass-forming ability (GFA) of a series of iron-containing soda lime borate liquids by substituting Na 2O for B 2O 3. We have characterized GFA by measuring the glass stability against crystallization using a differential scanning calorimeter (DSC). The results show that the GFA decreases when substituting Na 2O for B 2O 3. Moreover, we find that there is no direct link between the kinetic fragility and GFA for the soda lime borate series studied herein. We have also discovered and clarified a striking thermal history dependence of the glass stability against crystallization. In particular, the two glasses containing 20 and 25 Na 2O mol% do not exhibit crystallization exotherms during the second DSC upscan at 10 and 20 K/min following prior slow (10 and 20 K/min) downscans. This indicates that the glass stability of these compositions can be enhanced by cooling their melts to the glassy state slowly, before any reheating. We explain this phenomenon in terms of the thermal history dependence of boron speciation.

Original languageEnglish (US)
Pages (from-to)658-665
Number of pages8
JournalJournal of Non-Crystalline Solids
Issue number3
StatePublished - Feb 1 2012

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


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