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  • piezo ceramics
  • Piezo Plates
  • Piezo Plates
  • Piezo Discs
  • Piezo Discs
  • Piezo Rings
  • Piezo Rings
  • Piezo Rings
  • Piezo Tubes
  • Piezo Tubes
  • Torsional Piezo Tubes
  • Piezo Cylinders

Piezoelectric ceramics is a kind of electronic ceramics which have ability to make mechanical energy and electric energy interchangeable, widely used in many fields such as modern communications, radar, sonar, automatic measurement and control, ultrasonic transducer, ultrasonic sterilization, ultrasonic power and so on.

1）High-power transmitting type piezoelectric materials

PZT8 piezoelectric ceramics has good piezoelectric property, high mechanical strength, high coercive field,low dielectric loss in strong fields.

2）High-sensitivity receiving type piezoelectric materials

PZT5 Piezoelectric ceramics has higher electro-mechanical coupling coefficient, the moderate dielectric constant and higher sensitivity.

3）Transmitting/receiving type piezoelectric materials

PZT4 Piezoelectric ceramics has a double behavior of receiving and transmitting, with higher sensitivity and lower dielectric loss.

Dimension PZT-4 PZT-5 PZT-8
Piezo Discs Diameter（mm） 3 ～ 100 3 ～ 100 3 ～ 100
Thickness（mm） 0.3 ～ 10 0.25 ～ 15 0.4 ～ 8
Piezo Rings Outer diameter（mm） 3 ～ 100 3 ～ 100 3 ～ 100
Inner diameter（mm） ≥ 2 ≥ 2 ≥ 2
Thickness（mm） 0.3 ～ 10 0.25 ～ 15 0.4 ～ 8
Piezo Tubes Outer diameter（mm） 3 ～ 108 3 ～ 108 3 ～ 105
Inner diameter（mm） ≥ 2 ≥ 2 ≥ 2
Thickness（mm） ≤ 50 ≤ 50 ≤ 50
Piezo Plates Length（mm） ≤ 50 ≤ 50 ≤ 50
Width（mm） ≥ 1 ≥ 1 ≥ 1
Thickness（mm） 0.3 ～ 10 0.25 ～ 15 0.3 ～ 8

We can also design and customize piezoelectric ceramics with irregularly shape according to requirement.

Performance Symbol PZT-4W PZT-5L PZT-5NL PZT-5NM PZT-8C
Electro-mechanical coupling coefficient Kp 0.60 0.68 0.62 0.65 0.52
K31 0.33 0.39 0.36 0.37 0.30
K33 0.68 0.73 0.70 0.71 0.60
K15 0.66 0.72 0.68 0.70 0.57
Kt 0.50 0.55 0.50 0.53 0.45
Relative free dielectric constants εTr3 1400 1700 2100 3800 1000
εTr1 1550 1730 2250 4100 1300
Piezoelectric changing constant
（10-12C/N）		 D31 160 195 200 270 110
D33 350 450 500 550 220
D15 500 650 680 700 350
Elasticity and pliancy constant
（10-12m2/N）		 SE11 12.6 17.6 16.7 18.2 11.1
SE33 15.8 19.2 21.5 23.6 14.9
Mechanical quality constant Qm 300 50 55 70 1000
Frequency constant（Hz.m） Nφ 2100 2000 2000 2000 2300
Nt 2000 2000 2000 2100 2100
Density（G/CM3） ρ 7.6 7.6 7.6 7.6 7.6
Dielectric loss tgδ 0.005 0.02 0.02 0.02 0.003
Curie temperature（℃） Tc 300 320 320 280 300

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