Glass transition: Difference between revisions

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m (Added heading for the glass transition pressure.)
m (Changed references to Cite format)
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*<math>\Delta V =0</math>
*<math>\Delta V =0</math>
==Ideal glass transition temperature==
==Ideal glass transition temperature==
See Ref 1.  
<ref>[http://dx.doi.org/10.1021/j100596a018 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)]</ref>
==Observation time==
==Observation time==
<math>\tau_{\rm obs}</math>
<math>\tau_{\rm obs}</math>
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*[[Kauzmann's paradox]]
*[[Kauzmann's paradox]]
==References==
==References==
#[http://dx.doi.org/10.1021/j100596a018 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)]
<references/>
#[http://dx.doi.org/10.1103/RevModPhys.78.953 Jeppe C. Dyre "The glass transition and elastic models of glass-forming liquids", Reviews of Modern Physics '''78''' 953 (2006)]
'''Related reading'''
#[http://dx.doi.org/10.1063/1.2738471  Prabhat K. Gupta and John C. Mauro "The laboratory glass transition", Journal of Chemical Physics '''126''' 224504 (2007)]
*[http://dx.doi.org/10.1103/RevModPhys.78.953 Jeppe C. Dyre "The glass transition and elastic models of glass-forming liquids", Reviews of Modern Physics '''78''' 953 (2006)]
#[http://dx.doi.org/10.1146/annurev.physchem.58.032806.104653 Vassiliy Lubchenko and ­Peter G. Wolynes "Theory of Structural Glasses and Supercooled Liquids", Annual Review of Physical Chemistry '''58''' pp. 235-266 (2007)]
*[http://dx.doi.org/10.1063/1.2738471  Prabhat K. Gupta and John C. Mauro "The laboratory glass transition", Journal of Chemical Physics '''126''' 224504 (2007)]
#[http://dx.doi.org/10.1038/nmat2219 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)]
*[http://dx.doi.org/10.1146/annurev.physchem.58.032806.104653 Vassiliy Lubchenko and ­Peter G. Wolynes "Theory of Structural Glasses and Supercooled Liquids", Annual Review of Physical Chemistry '''58''' pp. 235-266 (2007)]
#[http://dx.doi.org/10.1063/1.2982172 Stephen R. Williams, Debra J. Searles, and Denis J. Evans "The glass transition and the Jarzynski equality", Journal of Chemical Physics  '''129''' 134504 (2008)]
*[http://dx.doi.org/10.1038/nmat2219 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)]
*[http://dx.doi.org/10.1063/1.2982172 Stephen R. Williams, Debra J. Searles, and Denis J. Evans "The glass transition and the Jarzynski equality", Journal of Chemical Physics  '''129''' 134504 (2008)]
*[http://dx.doi.org/10.1103/PhysRevLett.103.245701 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)]
 
[[category: Non-equilibrium thermodynamics]]
[[category: Non-equilibrium thermodynamics]]

Revision as of 15:31, 16 August 2010

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In the laboratory the glass transition is not a sharp transition; its properties change smoothly across .

  • increases with a decrease in the observation time, .

Ideal glass transition temperature

[1]

Observation time

Intrinsic average structural relaxation time

Pressure dependence of glass transition temperature

See also

References

Related reading