Seacor Piezo Ceramics   


PZS 41: Properties [PDF version]
Symbol & Unit
Value
Dielectrical Data
Permittivity εT33o 1350
Dielectric Loss Factor tgδ[10-4] 40
Dielectric Loss Factor (at 400 V/mm) tgδ(4)[10-4] 200
Electromechanical Data
Coupling Factor Kp 0.58
Coupling Factor K31 0.34
Coupling Factor K33 0.68
Piezoelectric Charge Constant -d31 [10-12 C/N] 135
Piezoelectric Charge Constant d33 [10-12 C/N] 315
Piezoelectric Voltage Constant -g31 [10-3 Vm/N] 10.9
Piezoelectric Voltage Constant g33 [10-3 Vm/N] 25.4
Mechanical Data
Elastic Compliance sE11 [10-12 m2/N] 14.1
Elastic Compliance sE33 [10-12 m2/N] 17.9
Radial Frequency Constant NEp [m/s] 2120
Thickness Frequency Constant NDt [m/s] 2000
Transverse Frequency Constant NE1 [m/s] 1500
Longitudal Frequency Constant ND3 [m/s] 1700
Mechanical Quality Factor Qm 1400
Density ρ [103 kg/m3] 7.85
Thermal Data
Curie Temperature Tc [oC] 290

    
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