The video shows a 10 mm x 20 mm size PVDF piezo actuator under different frequency (1 Hz and 10 Hz) and voltage (200 V to 800 V). It can generate noticeable bending and vibration at relatively low voltage. The piezo PVDF film has modulus of 2.5 GPa and strain of 0.07% at 500 V. In addition, it can be build to multi-layer structure to increase the mechanical load capability www.piezopvdf.com The actuator shown in the video has three active layers that are electrically parallel but mechanically series.
3 ноя 2022
