Additive manufacturing of piezoelectric force sensors

Amanda White; Nicholas McKibben; Zhangxian Deng

doi:10.1117/12.2613008

20 April 2022 Additive manufacturing of piezoelectric force sensors

Amanda White, Nicholas McKibben, Zhangxian Deng

Proceedings Volume 12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV; 120420Z (2022) https://doi.org/10.1117/12.2613008
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Piezoelectric poly(vinylidene fluoride-co-trifluoroethylene), or PVDF-trFE, has enabled unprecedented flexible and dynamic force sensors due to its mechanical robustness and biocompatibility. This study focuses on additive manufacturing of PVDF-trFE thin film sensors using an nScrypt micro-dispenser. PVDF-trFE ink composition, substrate treatment, and printer settings were first investigated to ensure consistent and uniform printing. Post-processing procedures, including curing and electrical poling, were then analyzed experimentally. The effectiveness of the manufacturing procedure was quantified in terms of piezoelectric coefficients. By using commercially-available electrically conductive silver inks, a force sensor consisting of a PVDF-trFE film sandwiched by silver electrodes were prototyped.

Conference Presentation

Citation Download Citation

Amanda White, Nicholas McKibben, and Zhangxian Deng "Additive manufacturing of piezoelectric force sensors", Proc. SPIE 12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV, 120420Z (20 April 2022); https://doi.org/10.1117/12.2613008

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