NCE 81 Material Properties

PropertySymbolUnitsHard Material
NCE81
Dielectric Constant
(1 kHz)
KT31020
Dielectric Loss Factor
(1 kHz)
tanδe0.0017
Dielectric Loss Factor
(at 0.4V/mm)
tanδe0.006
Densityρkg/m37730
Curie PointTc°C300
Mechanical Quality FactorQm1400
kp0.56
k330.69
Coupling Coefficientsk310.31
kt0.47
Piezoelectric Charged31Coul/N x 10-12 (or)-100
Displacement Coefficientd33m/V x 10-12255
Piezoelectric Voltage Coefficientg31-10.8
Voltage Coefficientg33V·m/N x 10-328
Np2300
Nt2130
Frequency ConstantsNtaHz·m
N33
N31
Poisson's RatioY22
SE1116
SE3317
Elastic Constants Short CircuitSE12x 10-12m2/N-4.3
SE13-5.4
SE5534.5
SE6630.8