Material Data

Material Data for standard test specimens, measured at 25 °C and 24 hours after poling. Click here to get a complete overview of material properties. Please note that you will need Microsoft Excel 97 (or newer) to view the file. New! To help you in the design phase we have made a "Piezoelectric Calculator" (for Microsoft Excel), incorporating the data for Ferroperm's materials.

Symbol Unit Pz21 Pz23 Pz24 Pz26 Pz27 Electrical Properties Relative dielectric constant (1 kHz) Diel. dissipation factor (1 kHz) Curie temperature Recommended working range K33T tan d TC> T < 1 10-3 °C °C 3800 18 205 130 1500 13 350 250  400 2 330 230 1300 3 330 230 1800 17 350 230 Electromechanical Properties               Coupling factors kp kt k31 k33 1 1 1 1 0.62 0.47 0.34 0.71 0.52 0.45 0.29 0.65 0.50 0.52 0.29 0.67 0.57 0.47 0.33 0.68 0.59 0.47 0.33 0.70 Piezoelectric charge coefficients -d31 d33 d15 10-12 C/N 10-12 C/N 10-12 C/N  250 600  130 330 420  55 190  130 290 170 425 500 Piezoelectric voltage coefficients -g31 g33 10-3 V·m/N 10-3 V·m/N 7 18 10 25 16 54 11 28 11 27 Frequency constants Np Nt N31 N33 Hz·m Hz·m Hz·m Hz·m 2030 1970 2160 2030 1480 1600 2400 2100 1670 1600 2230 2040 1500 1800 2010 1950 1400 1500 Mechanical Properties Density Mechanical quality factor  r Qm g/cm3 1  7.85 65  7.70 100  7.70 >1000  7.70 >1000  7.70 80 Standard Tolerances Electrical Properties Electromechanical Propertiess Mechanical Propertiesm ± 10% ± 5% (± 10% for fs > 4 MHz) ± 2.5% (except for Qm)

Symbol Unit Pz28 Pz29 Pz34 Pz35 Pz46 Electrical Properties Relative dielectric constant (1 kHz) Diel. dissipation factor (1 kHz) Curie temperature Recommended working range K33T tan d TC> T < 1 10-3 °C °C 1000 4 330 230 2900 19 235 150  210 14 400 150 220 6 500 200 120 4 650 550 Electromechanical Properties               Coupling factors kp kt k31 k33 1 1 1 1 0.58 0.47 0.34 0.69 0.64 0.52 0.37 0.75 0.07 0.40 0.05 0.40 0.34 0.03 0.20 0.02 0.09 Piezoelectric charge coefficients -d31 d33 d15 10-12 C/N 10-12 C/N 10-12 C/N  120 275  240 575  5 50   90 2 18 16 Piezoelectric voltage coefficients -g31 g33 10-3 V·m/N 10-3 V·m/N 13 31 10 23 3 25 43 2 17 Frequency constants Np Nt N31 N33 Hz·m Hz·m Hz·m Hz·m 2180 2010 1970 1960 1410 1500 2770 2200 1550 2470 2000 Mechanical Properties Density Mechanical quality factor  r Qm g/cm3 1  7.70 >1000  7.45 90  7.55 >500  5.60 ~15  6.55 >600 Standard Tolerances Electrical Properties Electromechanical Propertiess Mechanical Propertiesm ± 10% ± 5% (± 10% for fs > 4 MHz) ± 2.5% (except for Qm)

Ferroperm Piezoceramics A/S Hejreskovvej 18A DK-3490 Kvistgård Tel.: +45 49 12 71 00; Fax: +45 49 13 81 88 e-mail: pz@ferroperm-piezo.com