Exelis EC-70
Basic Information
Density:
ρ :
7.45
g/cm3
Curie temperature:
TC:
220
°C
Material class:
Lead Zirconate Titanate
Navy type equivalent:
Navy Type V
Piezo type:
Soft
Reviewed:
Yes
Dielectric constant:
-2.10
Coupling constant:
-0.40
Resonant frequency:
0.40
Description:
This “soft” lead zirconate titanate material provides high dielectric constant, high piezoelectric charge and voltage constants. It was designed for sensor applications requiring high energy output (both voltage and current). It is used in special fuse, accelerometer, and hydrophone applications.
Electric Properties
d15:
670.0
*10-12 C/N
d31:
-230.0
*10-12 C/N
d33:
490.0
*10-12 C/N
g15:
35.0
*10-3 Vm/N
g31:
-9.8
*10-3 Vm/N
g33:
20.9
*10-3 Vm/N
tan δ:
0.020
@1000
Hz
εT:
2750
kp:
0.63
k15:
0.67
k31:
0.37
k33:
0.74
Elastic Properties
S11E:
16
*10-12 m2/N
S12E:
-5
*10-12 m2/N
S33E:
18
*10-12 m2/N
S11D:
14
*10-12 m2/N
S12D:
-8
*10-12 m2/N
S33D:
8
*10-12 m2/N
Y:
6
*1010 N/m2
Qm:
75
NC:
851
Hzm
N3:
1321
Hzm
N5:
1058
Hzm
NP:
1943
Hzm
NT:
1727
Hzm
Applications
Sonar
Non-Destructive Testing
Audible Alarms