Exelis EC-76



  Basic Information


Density:

ρ :
7.45
g/cm3


Curie temperature:

TC:
190
°C


Material class:

Lead Zirconate Titanate

Navy type equivalent:

Navy Type VI

Piezo type:

Soft

Reviewed:

Yes

Dielectric constant:
-2.00

Coupling constant:
-0.40

Resonant frequency:
0.30

Description:

This “soft” lead zirconate titanate material provides a high dielectric constant and piezoelectric charge constant. It was designed for low power high displacement actuator or positioning applications. It has a low operational temperature range, temperature, electric field and stress stability.


   Electric Properties



d15:
730.0
*10-12 C/N

d31:
-262.0
*10-12 C/N

d33:
583.0
*10-12 C/N



g15:
28.9
*10-3 Vm/N

g31:
-8.6
*10-3 Vm/N

g33:
19.1
*10-3 Vm/N




tan δ:
0.020
@1000
Hz


εT:
3450



kp:
0.64

k15:
0.68

k31:
0.38

k33:
0.75



   Elastic Properties



S11E:
16
*10-12 m2/N

S12E:
-5
*10-12 m2/N

S33E:
20
*10-12 m2/N

S11D:
13
*10-12 m2/N

S12D:
-7
*10-12 m2/N

S33D:
9
*10-12 m2/N



Y:
6
*1010 N/m2



Qm:
65



NC:
889
Hzm

N3:
1359
Hzm

N5:
1105
Hzm

NP:
1981
Hzm

NT:
1765
Hzm



Availability


Exelis
http://www.exelisinc.com/Pages/default.aspx



Applications


Actuators
Micro-positioning