Seacor Piezo Ceramics   

 
Material Specifications: Data for standard test specimens [PDF version]
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Property
Symbol & Unit
High Power Materials
High Sensitivity Materials
PZS 40 PZS 41 PZS 80 PZS 53 PZS 51 PZS 55
Dielectrical Data
Permittivity εT33o 1250 1350 1050 1600 1850 4900
Dielectric Loss Factor tgδ[10-4] 30 40 20 130 190 220
Dielectric Loss Factor (at 400 V/mm) tgδ(4)[10-4] 150 200 100 - - -
Electromechanical Data
Coupling Factor Kp 0.58 0.58 0.53 0.53 0.64 0.62
Coupling Factor K31 0.32 0.34 0.30 0.29 0.37 0.39
Coupling Factor K33 0.67 0.68 0.65 0.65 0.74 0.70
Piezoelectric Charge Constant -d31 [10-12 C/N] 125 135 95 135 180 325
Piezoelectric Charge Constant d33 [10-12 C/N] 290 315 250 340 405 630
Piezoelectric Voltage Constant -g31 [10-3 Vm/N] 11.3 10.9 10.7 8.4 9.7 7.5
Piezoelectric Voltage Constant g33 [10-3 Vm/N] 26.2 25.4 25.4 21.2 21.9 14.5
Mechanical Data
Elastic Compliance sE11 [10-12 m2/N] 13.4 14.1 11.5 15.8 16.2 15.8
Elastic Compliance sE33 [10-12 m2/N] 17.0 17.9 13.5 19.6 18.7 18.7
Radial Frequency Constant NEp [m/s] 2180 2120 2300 2140 1970 1980
Thickness Frequency Constant NDt [m/s] 1980 2000 2080 - 2040 2150
Transverse Frequency Constant NE1 [m/s] 1560 1500 1690 - 1420 1780
Longitudal Frequency Constant ND3 [m/s] 1750 1700 1510 - 1400 -
Mechanical Quality Factor Qm 600 1400 1000 70 80 70
Density ρ [103 kg/m3] 7.65 7.85 7.6 7.7 7.70 8.0
Thermal Data
Curie Temperature Tc [oC] 325 290 315 350 340 170
  Working Temperature                              

 
Data measured at 25 C, 24 hours after poling.
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