4 June 1999 Constitutive model of piezoelectric polymer PVDF
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The paper concerns the development of a time dependent constitutive model of polyvinylidene fluoride (PVDF), a thin film piezoelectric polymer. Experimental evidence indicates that PVDF thin films can be characterized as orthotropic materials with different material properties in regard to the orientation of the aligned molecular chains of the polymer. Based on the experimental results, the constitutive equations of linear hereditary viscoelasticity are used to characterize the mechanical properties of PVDF.
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Aleksandra M. Vinogradov, Aleksandra M. Vinogradov, } "Constitutive model of piezoelectric polymer PVDF", Proc. SPIE 3667, Smart Structures and Materials 1999: Mathematics and Control in Smart Structures, (4 June 1999); doi: 10.1117/12.350121; https://doi.org/10.1117/12.350121

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