Glass transition
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In the laboratory the glass transition is not a sharp transition; its properties change smoothly across \(T_g\).
- \(T_g\) increases with a decrease in the observation time, \(\tau_{\rm obs}\).
- \(\Delta H =0\)
- \(\Delta V =0\)
Contents |
[edit] Ideal glass transition temperature
[edit] Observation time
\(\tau_{\rm obs}\)
[edit] Intrinsic average structural relaxation time
[edit] Pressure dependence of glass transition temperature
[edit] See also
[edit] References
- ↑ C. A. Angell and J. C. Tucker "Heat capacities and fusion entropies of the tetrahydrates of calcium nitrate, cadmium nitrate, and magnesium acetate. Concordance of calorimetric and relaxational ideal glass transition temperatures", Journal of Physical Chemistry 78 pp. 278 - 281 (1974)
Related reading
- Jeppe C. Dyre "The glass transition and elastic models of glass-forming liquids", Reviews of Modern Physics 78 953 (2006)
- Prabhat K. Gupta and John C. Mauro "The laboratory glass transition", Journal of Chemical Physics 126 224504 (2007)
- Vassiliy Lubchenko and Peter G. Wolynes "Theory of Structural Glasses and Supercooled Liquids", Annual Review of Physical Chemistry 58 pp. 235-266 (2007)
- C. Patrick Royall, Stephen R. Williams, Takehiro Ohtsuka and Hajime Tanaka "Direct observation of a local structural mechanism for dynamic arrest", Nature Materials 7 pp. 556-561 (2008)
- Stephen R. Williams, Debra J. Searles, and Denis J. Evans "The glass transition and the Jarzynski equality", Journal of Chemical Physics 129 134504 (2008)
- Ning Xu, Thomas K. Haxton, Andrea J. Liu, and Sidney R. Nagel "Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit", Physical Review Letters 103 245701 (2009)
- Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. I. Glassy aspects of melting dynamics", Journal of Chemical Physics 134 034512 (2011)
- Florent Krzakala and Lenka Zdeborová "On melting dynamics and the glass transition. II. Glassy dynamics as a melting process", Journal of Chemical Physics 134 034513 (2011)
- Jürn W. P. Schmelzer "Kinetic criteria of glass formation and the pressure dependence of the glass transition temperature", Journal of Chemical Physics 136 074512 (2012)
