Exelis EC-98
Basic Information
Density:
ρ :
7.85
g/cm3
Curie temperature:
TC:
170
°C
Material class:
Lead Magnesium Niobate
Reviewed:
Yes
Dielectric constant:
-1.50
Coupling constant:
-0.40
Resonant frequency:
0.40
Description:
This lead magnesium niobate material is a piezoelectric material with a high dielectric constant and a high piezoelectric charge constant in exchange for lower operational temperature range and stability. It was designed for high displacement actuators, micro-positioners, and high frequency medical ultrasonic imaging applications.
Electric Properties
d15:
825.0
*10-12 C/N
d31:
-312.0
*10-12 C/N
d33:
730.0
*10-12 C/N
g15:
17.0
*10-3 Vm/N
g31:
-6.4
*10-3 Vm/N
g33:
15.6
*10-3 Vm/N
tan δ:
0.020
@1000
Hz
εT:
5500
kp:
0.61
k15:
0.67
k31:
0.35
k33:
0.72
Elastic Properties
S11E:
16
*10-12 m2/N
S12E:
-6
*10-12 m2/N
S33E:
21
*10-12 m2/N
S11D:
14
*10-12 m2/N
S12D:
-8
*10-12 m2/N
S33D:
10
*10-12 m2/N
Y:
6
*1010 N/m2
Qm:
70
NC:
835
Hzm
N3:
1385
Hzm
N5:
1090
Hzm
NP:
1970
Hzm
NT:
1803
Hzm
Applications
Actuators
Medical Ultrasound
Micro-positioning