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Entropy 2008, 10(3), 334-364; doi:10.3390/e10030334

Configurons: Thermodynamic Parameters and Symmetry Changes at Glass Transition

The University of Sheffield, Immobilisation Science Laboratory, Department of Engineering Materials, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, UK
Received: 31 July 2008 / Revised: 9 September 2008 / Accepted: 22 September 2008 / Published: 24 September 2008
(This article belongs to the Special Issue Configurational Entropy)
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Thermodynamic parameters of configurons – elementary excitations resulting from broken bonds in amorphous materials – are found from viscosity-temperature relationships. Glass-liquid transition phenomena and most popular models are described along with the configuron model of glass transition. The symmetry breaking, which occurs as a change of Hausdorff dimension of bonds, is examined at glass-liquid transition. Thermal history effects in the glass-liquid transition are interpreted in terms of configuron relaxation. View Full-Text
Keywords: Amorphous materials; glasses; glass transition; melts; viscosity; bonds Amorphous materials; glasses; glass transition; melts; viscosity; bonds

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Ojovan, M.I. Configurons: Thermodynamic Parameters and Symmetry Changes at Glass Transition. Entropy 2008, 10, 334-364.

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