Reference : The generalized Cauchy relation: a probe for local structure in materials with isotro...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/10993/13356
The generalized Cauchy relation: a probe for local structure in materials with isotropic symmetry.
English
Bactavatchalou, R. [Laboratoire Européen de Recherche Universitaire Saarland-Lorraine-Luxembourg at Universität des Saarlandes]
Alnot, Patrick [Université Henri Poincaré, Nancy I.]
Baller, Jörg mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Kolle, M. [> >]
Müller, Ulrich mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Philipp, Martine [> >]
Possart, Wulff [> >]
Rouxel, D. [> >]
Sanctuary, Roland mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Tschöpe, A. [> >]
Vergnat, Ch [> >]
Wetzel, Berndt [Institut für Verbundwerkstoffe TU Kaiserslautern 67663 Kaiserslautern]
Krüger, Jan-Kristian mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
2006
Journal of Physics. Conference Series
IOP Publishing Ltd.
40
111-117
Yes (verified by ORBilu)
1742-6588
[en] The elastic properties of the isotropic state of condensed matter are given by the elastic constants ell and c44. In the liquid state the static shear stiffness c44 vanishes whereas at sufficient high probe frequencies a dynamic shear stiffness may appear. In that latter case the question about the existence of a Cauchy relation appears. It will be shown that a pure Cauchy relation can appear only under special conditions which are rarely fulfilled. For all investigated materials, including ceramics, liquids and glasses, a linear relation between ell and c44 called generalized Cauchy relation is observed, which, surprisingly, follows a linear transformation.
http://hdl.handle.net/10993/13356
10.1088/1742-6596/40/1/014

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