Flexible, printed, Pb-free piezo-composites for haptic feedback systems
| Autor: | Tadhg Mahon, S. van der Zwaag, Vincent L. Stuber, Pim Groen, Theodorus Lambertus Hoeks, S. Guhathakurtha, S.K. Ammu |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Work (thermodynamics) Materials science Composite number Nanoparticle Composite 02 engineering and technology Dielectric 021001 nanoscience & nanotechnology 01 natural sciences Phase (matter) visual_art dielectric constant 0103 physical sciences visual_art.visual_art_medium Ceramic haptic Composite material 0210 nano-technology Actuator Energy harvesting actuator |
| Zdroj: | 2019 IEEE International Symposium on Applications of Ferroelectrics, ISAF 2019-Proceedings |
| DOI: | 10.1109/isaf43169.2019.9034962 |
| Popis: | While most of the work on piezoelectric composites focuses on methods to reduce the dielectric constant of the composite (for better sensor and energy harvesting performance), for haptic feedback and actuator applications the opposite is desirable. We present here a study of the effect of adding a second ceramic phase (BaTiO3 nanoparticles) to composites of (K0.5N0.5)1-xLixNbO3 (x = 0.03) in PVDF-TrFE-CFE in order to increase the dielectric constant of the composite. Adding small amounts of these nanoparticles to the composites results in an increase in the dielectric constant and, at high total ceramic loadings, an increase in the density of the composite. Furthermore, while adding larger amounts of nanoparticles leads to agglomeration and reduced densities, it also allows access to higher loadings of ceramic than normally attainable. |
| Databáze: | OpenAIRE |
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