Abstract
Glass formation behavior of the TeO2–WO3–Na2O system was studied by using conventional melt‐quenching technique. A wide glass formation range was determined for the first time in the literature and thermal, physical, and structural characterization of sodium‐tungsten‐tellurite glasses were realized using differential scanning calorimetry (DSC) and Fourier transform infrared (FTIR) spectroscopy techniques. Glass transition (Tg) and crystallization (Tc/Tp) temperatures, glass stability (∆T), density (ρ), molar volume (VM), oxygen molar volume (VO), and oxygen packing density (OPD) values and structural transformations in the glass network were investigated according to the equimolar substitution of TeO2 by Na2O+WO3 and changing Na2O or WO3 at constant TeO2.
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