What piezoelectric coefficient is considered in stretching mode and how can we calculate it. Is there any specific equipment for this like d33 meter.
Regards,
Dear Saqib, I am considering stretching as elongation. In this case you have to consider d31 mode. 1 being the length/elongation direction and 3 is polarization direction.
d31 can be measured using berlincourt/d33 meter with a dedicated attachment.
Best wishes,
Rahul Shukla.
Hello,
You can take a look at our paper on measuring g31 coefficient of PVDF during stretching. I hope it can help.
https://www.researchgate.net/publication/288074410_PVDF_piezoelectric_voltage_coefficient_in-situ_measurements_as_a_function_of_applied_stress
Boris
Article PVDF piezoelectric voltage coefficient in‐situ measurements ...
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