Predictive model for the composition dependence of glassy dynamics

Xiaoju Guo, John Mauro, Douglas C. Allan, Morten M. Smedskjaer

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The problem of glass relaxation is traditionally known as one of the most challenging problems in condensed matter physics, with important implications for several high-tech applications of glass. In this study, we present a predictive model for the temperature, thermal history, and composition dependence of glassy relaxation dynamics. Our model enables, for the first time, the quantitative prediction of relaxation behavior for new glass compositions. Using the commercial Corning EAGLE XG® alkaline earth aluminosilicate glass as a reference, the model gives accurate predictions of the nonequilibrium viscosity for 4 other aluminosilicate glasses, covering both alkali-free and alkali-containing compositions, without any free fitting parameters. Using the composition-dependent nonequilibrium viscosity model, only the measured values of the glass transition temperature and fragility are required to predict the nonequilibrium viscosity as a function of both temperature and thermal history. The range of glass transition temperatures of the 4 verification glasses covers about 200°C, while that of fragility values is about 6. As such, this work gives insights into the structural origin of nonequilibrium viscosity and can enable the future design of glass compositions with tailored relaxation behavior.

Original languageEnglish (US)
Pages (from-to)1169-1179
Number of pages11
JournalJournal of the American Ceramic Society
Volume101
Issue number3
DOIs
StatePublished - Mar 1 2018

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glass
Glass
Chemical analysis
Viscosity
viscosity
Aluminosilicates
Alkalies
aluminosilicate
Condensed matter physics
temperature
history
prediction
Earth (planet)
Temperature
physics
Hot Temperature
Glass transition temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Guo, Xiaoju ; Mauro, John ; Allan, Douglas C. ; Smedskjaer, Morten M. / Predictive model for the composition dependence of glassy dynamics. In: Journal of the American Ceramic Society. 2018 ; Vol. 101, No. 3. pp. 1169-1179.
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Predictive model for the composition dependence of glassy dynamics. / Guo, Xiaoju; Mauro, John; Allan, Douglas C.; Smedskjaer, Morten M.

In: Journal of the American Ceramic Society, Vol. 101, No. 3, 01.03.2018, p. 1169-1179.

Research output: Contribution to journalArticle

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