Compare Hard PZT Materials

Hard PZT
SymbolsUnitsBM402BM800BM200
ElectricalNavy Type INavy Type III
Relative Dielectric ConstantKT33---135010001080
Dissipation FactorTan δ%0.40.30.3
Piezoelectric
Coupling Factorkp---0.600.500.60
k31---0.350.300.31
k33---0.710.640.64
Charge Constantd3110-12 C/N-135-85-100
d3310-12 C/N305225250
Voltage Constantg3110-3 V·m/N-10.8-10.5-10.0
g3310-3 V·m/N262626
Mechanical Quality FactorQM---55010001000
Frequency Constants2NpHz·m215023502350
N1Hz·m164017001770
N4Hz·m195020001900
Mechanical
ComplianceSE1110-12 m2/N12.011.010.8
SE3310-12 m2/N15.613.515.4
Densityρg/cm37.67.67.6
Curie TemperatureTcoC>300325330
Ageing Characteristics3 (% change/time decade)
Coupling Factorkp----2.2-2.5-2.5
Relative Dielectric ConstantKT33----4.0-6.0-6.0
Frequency ConstantN4Hz·m1.51.51.5

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