Material Properties • NCE 55

PropertySymbolUnitsSoft Material
NCE55
Dielectric Constant
(1 kHz)
KT35000
Dielectric Loss Factor
(1 kHz)
tanδe0.022
Dielectric Loss Factor
(at 0.4V/mm)
tanδe
Densityρkg/m38000
Curie PointTc°C160
Mechanical Quality FactorQm70
kp0.62
k330.72
Coupling Coefficients
k310.39
kt0.5
Piezoelectric Charged31Coul/N x 10-12 (or)-260
Displacement Coefficientd33m/V x 10-12670
Piezoelectric Voltage Coefficientg31-9
Voltage Coefficientg33V·m/N x 10-319
Np1970
Nt1990
Frequency ConstantsN1Hz·m
N33
N31
Poisson's RatioU
SE1117
SE3321
Elastic Constants Short CircuitSE12x 10-12m2/N-6
SE13-7.5
SE5536.2
SE6646