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Article Dans Une Revue Journal of Composite Materials Année : 2023

Phenomenological model for predicting thermoelectromechanical response of 2-2 piezocomposite

Résumé

The homogenization of piezocomposites is a research challenge as the development of analytical models remains a challenge. In this perspective, this work contributes to the development of an analytical model to predict the thermoelectromechanical behavior of the 2-2 piezocomposite where both phases are electrically active. To establish this model the series/parallel method was used and thus the effective homogenized properties of the composite are established. The influence of the volume fraction on the characteristic parameters was studied and found that a numerical simulation of the effective parameters resulting from a {PZT-5A / PVDF-TrFE} composition shows that, volume fraction influences significantly on the properties of the piezocomposite and consequently on its behavior in service. Due to the unavailability of experimental data in the literature, the validation of the model is done with reference to the model applied to the 1-3 piezocomposite. Therefore, to a certain extent, it is found that the results are in agreement. Based on the results of this model and in comparison with those formulated from 1-3 piezocomposite as presented in the paper, the studied 2-2 piezocomposite could be used where 1-3 piezocomposite is sometimes integrated, as the highest performance piezocomposite. However, this remains to be validated experimentally for targeted applications to be be useful for the scientific and even industrial communities.
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Dates et versions

hal-04146242 , version 1 (29-06-2023)

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Pierre Tize Mha, Pierre Maréchal, Guy Ntamack, Bienvenue Kenmeugne. Phenomenological model for predicting thermoelectromechanical response of 2-2 piezocomposite. Journal of Composite Materials, 2023, 57 (13), pp.2145-2159. ⟨10.1177/00219983231167663⟩. ⟨hal-04146242⟩
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