It is important to model ferroelectric behavior of polymers to understand the physical phenomena exhibited by this kind of material. In this article, a new method based on dry-friction movement is proposed. It is already known that this modeling gives good results for ferroelectric ceramics. However, in the special case of ferroelectric polymers, the resistive current that exists in a low frequency electric field cannot be neglected. In order to adapt the ceramic model to ferroelectric polymers, a new formulation containing a special resistive term is proposed. The viability of the new model has been tested under different amplitudes of low frequency (5 mHz, 10 mHz, 1 Hz) applied electric field. Comparison between simulations and experimental data on polyvinylidene fluoride (β phase) are shown as validation of the model accuracy.
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