PiezoTechnologies K-270



  Basic Information


Density:

ρ :
7.60
g/cm3


Curie temperature:

TC:
325
°C


Material class:

Lead Zirconate Titanate

Navy type equivalent:

Navy Type I

Piezo type:

Hard

Reviewed:

Yes


Z:
33
MRayl



vs:
3980
m/s



α :
3.60
*10-6 K-1


Description:

K-270 is a modified lead zirconate titanate material, which has been developed for use in high power acoustic transducers. This piezo ceramic is highly resistant to depoling under conditions of severe mechanical stress and high voltage drives.

   Electric Properties



d15:
490.0
*10-12 C/N

d31:
-120.0
*10-12 C/N

d33:
300.0
*10-12 C/N



g15:
36.0
*10-3 Vm/N

g31:
-10.0
*10-3 Vm/N

g33:
29.0
*10-3 Vm/N




tan δ:
0.008
@1000
Hz


ε33T:
1260



kt:
0.48

kp:
0.57

k15:
0.69

k31:
0.33

k33:
0.70


   Elastic Properties



Y33E:
7
*1010 N/m2



Qmt
600



NT:
2010
Hzm


Availability


Piezo Technologies
http://www.piezotechnologies.com



Applications


Acoustic Applications