The Pyroelectric coefficient is approximately 30 x 10^-6 C/m^2.K

http://www.meas-spec.com/piezo-film-sensors/piezo-film-sheets.aspx

I want all of PVDF material coefficients.such as Young modulii and coefficients of thermal expansion and piezoelectric coefficients and pyroelectric constant.

Like that this table.

Here you go...no thermal expansion data though. PVDF will probably melt above 80C

You can use 130 m/m.k as the thermal expansion coefficient

http://www.engineershandbook.com/Tables/plasticthermalexp.htm

Thank you a lot.can you give me a reference?an article or something like that?

See page 3 of the attached manual

Thank you so much

You're welcome

Hi, pyroelectric coefficient of PVDF and P(VDF-TrFe) is depending on the TrFe compositions and the crystallinity level and poling process. p is between 10 and 40 µC/m^2.K.  To obtain the thermal expansion, you can obtain it directely from the remanant polarization and the pyroelectric coefficient by using this formula p=alphaxPr.

you can have a value of alpha(thermal expansion) between 2 and 6 x 10^-4 K^-1.

sincerely

Abdelkader

thanks alot

it's useful...

The attached file contains the pyroelectric constants for both PVDF and PVDF-TrFE.