Sensor Techn. Ltd. BM941



  Basic Information


Density:

ρ :
5.80
g/cm3


Curie temperature:

TC:
280
°C


Material class:

Lead Metaniobate

Reviewed:

Yes

Dielectric constant:
-1.00

Coupling constant:
-0.50

Resonant frequency:
0.50



   Electric Properties



d31:
-40.0
*10-12 C/N

d33:
180.0
*10-12 C/N



g31:
-7.0
*10-3 Vm/N

g33:
27.0
*10-3 Vm/N




tan δ:
0.010
@1000
Hz


ε33T:
725



kp:
0.20

k31:
0.14

k33:
0.45



   Elastic Properties



S11E:
7
*10-12 m2/N

S33E:
21
*10-12 m2/N



Qm:
15



N1:
1700
Hzm

NP:
3250
Hzm

NT:
1725
Hzm



Availability


Sensor Technology Limited.
www.sensortech.ca



Applications


Non-Destructive Testing
Thickness Gauges
Transducers