Parametric study of temperature-modulated differential scanning calorimetry for high-temperature oxide glasses with varying fragility

Tobias K. Bechgaard, Ozgur Gulbiten, John Mauro, Morten M. Smedskjaer

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Differential scanning calorimetry (DSC) has proven to be a highly versatile technique for understanding the glass transition, relaxation, and crystallization behavior of inorganic glasses. However, the approach is challenging when probing glass samples that exhibit overlapping transitions or low sensitivity. To overcome these problems, temperature-modulated DSC (TM-DSC) can be utilized, in which a sinusoidal heating rate is superimposed on the linear heating rate known from standard linear DSC. Until recently, it has only been possible to perform TM-DSC measurements on commercial instruments at temperatures below 973 K, which is insufficient for many oxide glasses of industrial interest, particularly silicate glasses. However, recent commercially available software now enables TM-DSC measurements to be performed at temperatures far exceeding 973 K. To investigate the suitability of using TM-DSC to study glass transition and relaxation behavior in high-temperature silicate systems, we have performed systematic TM-DSC measurements on three different oxide glass systems with varying glass transition temperature and liquid fragility. We find that relatively large underlying heating rates (2–5 K/min) and modulation amplitudes (4–5 K) are needed in order to obtain data with high signal-to-noise ratios. For these combinations of experimental parameters, we also observe a linear response as found using Lissajous curves. Overall, this study suggests that TM-DSC is a promising technique for investigating the dynamics of high-temperature oxide glass systems with a wide range of liquid fragilities.

Original languageEnglish (US)
Pages (from-to)84-94
Number of pages11
JournalJournal of Non-Crystalline Solids
Volume484
DOIs
StatePublished - Mar 15 2018

Fingerprint

Oxides
Differential scanning calorimetry
heat measurement
Glass
scanning
oxides
glass
Temperature
Heating rate
temperature
Silicates
heating
silicates
Glass transition
liquids
Amplitude modulation
glass transition temperature
Liquids
Crystallization
signal to noise ratios

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Parametric study of temperature-modulated differential scanning calorimetry for high-temperature oxide glasses with varying fragility",
abstract = "Differential scanning calorimetry (DSC) has proven to be a highly versatile technique for understanding the glass transition, relaxation, and crystallization behavior of inorganic glasses. However, the approach is challenging when probing glass samples that exhibit overlapping transitions or low sensitivity. To overcome these problems, temperature-modulated DSC (TM-DSC) can be utilized, in which a sinusoidal heating rate is superimposed on the linear heating rate known from standard linear DSC. Until recently, it has only been possible to perform TM-DSC measurements on commercial instruments at temperatures below 973 K, which is insufficient for many oxide glasses of industrial interest, particularly silicate glasses. However, recent commercially available software now enables TM-DSC measurements to be performed at temperatures far exceeding 973 K. To investigate the suitability of using TM-DSC to study glass transition and relaxation behavior in high-temperature silicate systems, we have performed systematic TM-DSC measurements on three different oxide glass systems with varying glass transition temperature and liquid fragility. We find that relatively large underlying heating rates (2–5 K/min) and modulation amplitudes (4–5 K) are needed in order to obtain data with high signal-to-noise ratios. For these combinations of experimental parameters, we also observe a linear response as found using Lissajous curves. Overall, this study suggests that TM-DSC is a promising technique for investigating the dynamics of high-temperature oxide glass systems with a wide range of liquid fragilities.",
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Parametric study of temperature-modulated differential scanning calorimetry for high-temperature oxide glasses with varying fragility. / Bechgaard, Tobias K.; Gulbiten, Ozgur; Mauro, John; Smedskjaer, Morten M.

In: Journal of Non-Crystalline Solids, Vol. 484, 15.03.2018, p. 84-94.

Research output: Contribution to journalArticle

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