Article (Scientific journals)
Dissipation by a crystallization process
Dorosz, Sven; Voigtmann, Thomas; Schilling, Tanja
2016In Europhysics Letters, 113 (10004)
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Abstract :
[en] We discuss crystallization as a non-equilibrium process. In a system of hard spheres under compression at a constant rate, we quantify the amount of heat that is dissipated during the crystallization process. We interpret the dissipation as arising from the resistance of the system against phase transformation. An intrinsic compression rate is identified that separates a quasistatic regime from one of rapidly driven crystallization. In the latter regime the system crystallizes more easily, because new relaxation channels are opened, at the cost of forming a higher fraction of non-equilibrium crystal structures. We rationalize the change in the crystallization mechanism by analogy with shear thinning, in terms of a kinetic competition between near-equilibrium relaxation and external driving.
Disciplines :
Physics
Author, co-author :
Dorosz, Sven ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Voigtmann, Thomas;  Deutsches Zentrum für Luft- und Raumfahrt (DLR) > Institut für Materialphysik im Weltraum ; Heinrich-Heine-Universität Düsseldorf > Department of Physics
Schilling, Tanja ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Language :
English
Title :
Dissipation by a crystallization process
Publication date :
28 January 2016
Journal title :
Europhysics Letters
ISSN :
1286-4854
Publisher :
EDP Sciences, Les Ulis, France
Volume :
113
Issue :
10004
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
Available on ORBilu :
since 10 February 2017

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