Seacor Piezo Ceramics   


PZS 40: Properties [PDF version]
Symbol & Unit
Value
Dielectrical Data
Permittivity εT33o 1250
Dielectric Loss Factor tgδ[10-4] 30
Dielectric Loss Factor (at 400 V/mm) tgδ(4)[10-4] 150
Electromechanical Data
Coupling Factor Kp 0.58
Coupling Factor K31 0.32
Coupling Factor K33 0.67
Piezoelectric Charge Constant -d31 [10-12 C/N] 125
Piezoelectric Charge Constant d33 [10-12 C/N] 290
Piezoelectric Voltage Constant -g31 [10-3 Vm/N] 11.3
Piezoelectric Voltage Constant g33 [10-3 Vm/N] 26.2
Mechanical Data
Elastic Compliance sE11 [10-12 m2/N] 13.4
Elastic Compliance sE33 [10-12 m2/N] 17
Radial Frequency Constant NEp [m/s] 2180
Thickness Frequency Constant NDt [m/s] 1980
Transverse Frequency Constant NE1 [m/s] 1560
Longitudal Frequency Constant ND3 [m/s] 1750
Mechanical Quality Factor Qm 600
Density ρ [103 kg/m3] 7.65
Thermal Data
Curie Temperature Tc [oC] 325

    
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