Thermodynamical approaches to the glass transition
- 20 August 1987
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Part B
- Vol. 56 (2) , 129-137
- https://doi.org/10.1080/13642818708208519
Abstract
The problem of the glass transition is approached from the thermodynamical viewpoint, with particular reference to the Prigogine-Defay ratio Γ. Some controversial points concerning the condition Γ>1 are shown to be irrelevant from the phenomenological viewpoint. The importance of the internal energy at the glass transition is emphasized. Accordingly, a thermodynamical model, based on fluctuating internal stresses, is proposed and applied to a class of GexSe1-x liquids.Keywords
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