On the frequency correction in temperature-modulated differential scanning calorimetry of the glass transition

Xiaoju Guo, John C. Mauro, Douglas C. Allan, Yuanzheng Yue

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Temperature-modulated differential scanning calorimetry (TMDSC) is based on conventional DSC but with a sinusoidally modulated temperature path. Simulations of TMDSC signals were performed for Corning EAGLE XG glass over a wide range of modulation frequencies. Our results reveal that the frequency correction commonly used in the interpretation of TMDSC signals leads to a master nonreversing heat flow curve independent of modulation frequency, provided that sufficiently high frequencies are employed in the TMDSC measurement. A master reversing heat flow curve can also be generated through the frequency correction. The resulting glass transition temperature from the frequency corrected reversing heat flow is thereby shown to be independent of frequency.

Original languageEnglish (US)
Pages (from-to)1710-1715
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume358
Issue number14
DOIs
StatePublished - Jul 15 2012

Fingerprint

Glass transition
Differential scanning calorimetry
heat measurement
scanning
heat transmission
glass
reversing
Frequency modulation
Heat transfer
frequency modulation
Temperature
temperature
curves
glass transition temperature
Glass
simulation

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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abstract = "Temperature-modulated differential scanning calorimetry (TMDSC) is based on conventional DSC but with a sinusoidally modulated temperature path. Simulations of TMDSC signals were performed for Corning EAGLE XG glass over a wide range of modulation frequencies. Our results reveal that the frequency correction commonly used in the interpretation of TMDSC signals leads to a master nonreversing heat flow curve independent of modulation frequency, provided that sufficiently high frequencies are employed in the TMDSC measurement. A master reversing heat flow curve can also be generated through the frequency correction. The resulting glass transition temperature from the frequency corrected reversing heat flow is thereby shown to be independent of frequency.",
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On the frequency correction in temperature-modulated differential scanning calorimetry of the glass transition. / Guo, Xiaoju; Mauro, John C.; Allan, Douglas C.; Yue, Yuanzheng.

In: Journal of Non-Crystalline Solids, Vol. 358, No. 14, 15.07.2012, p. 1710-1715.

Research output: Contribution to journalArticle

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AB - Temperature-modulated differential scanning calorimetry (TMDSC) is based on conventional DSC but with a sinusoidally modulated temperature path. Simulations of TMDSC signals were performed for Corning EAGLE XG glass over a wide range of modulation frequencies. Our results reveal that the frequency correction commonly used in the interpretation of TMDSC signals leads to a master nonreversing heat flow curve independent of modulation frequency, provided that sufficiently high frequencies are employed in the TMDSC measurement. A master reversing heat flow curve can also be generated through the frequency correction. The resulting glass transition temperature from the frequency corrected reversing heat flow is thereby shown to be independent of frequency.

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