Glass transition

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, $\tau _{\rm {obs}}$.
• $\Delta H=0$
• $\Delta V=0$

Observation time

$\tau _{\rm {obs}}$

See also

• Kauzmann's paradox

References

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)