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Proceedings 2017, 1(4), 335;

Direct Piezoelectric Coefficient Measurements of PVDF and PLLA under Controlled Strain and Stress

CEA, LETI, MINATEC Campus, F-38000 Grenoble, France
Univ. Grenoble Alpes, CNRS, Grenoble INP, G2ELAB, F-38000 Grenoble, France
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 16 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [799 KB, uploaded 16 August 2017]


Open-circuit direct piezoelectric coefficients g31 of bi-axially stretched PVDF and chiral PLLA are reported. This measure is decisive for sensor, generator and energy harvesting applications. We use an in-situ method with contactless voltage measurement during a conventional tensile-test, greatly improving measurement precision (error less than 10%).
Keywords: piezoelectric polymer; PLLA; PVDF piezoelectric polymer; PLLA; PVDF
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Bernard, F.; Gimeno, L.; Viala, B.; Gusarov, B.; Cugat, O. Direct Piezoelectric Coefficient Measurements of PVDF and PLLA under Controlled Strain and Stress. Proceedings 2017, 1, 335.

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