Journal of Advanced Science
Online ISSN : 1881-3917
Print ISSN : 0915-5651
ISSN-L : 0915-5651
Paper
Electro-mechanical modeling of a ferroelastic relaxor single crystal
Mourad ELHADROUZTarak BEN ZINEBEtienne PATOOR
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2005 Volume 17 Issue 1+2 Pages 32-37

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Abstract
This paper examines the switching process occuring in ferroelectric and ferroelastic relaxor single crystals under electro-mechanical loadings. Relaxors undergoing a cubic to tetragonal phase transition are considered. The single crystal energy has three origins: elastic, electric and the incompatibilities of the spontaneous strain and electric displacement fieds between domains. The stress and the electric field fluctuate and present jumps at the domain walls. As a consequence, they induce electro-elastic interaction energy. Thus, it involves dissipation that the present work aims to capture through an electro-micromechanical approach.
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© 2005 Society of Advanced Science
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