Bochuang has several types of piezoelectric ceramic materials available, the standard piezoelectric ceramic material value as follow.
Typical values of standard piezoelectric ceramic materials.
|
Material types |
BaTiO3 |
PZT-2 |
PZT-4 |
PZT-8 |
PZT-5 |
|
Properties |
Items |
BT-1 |
PZT-2 |
PZT-4A |
PZT-4D |
PZT-4E |
PZT-8 |
PZT-5A |
PZT-5B |
PZT-5J |
PZT-5H |
PZT-5X |
|
Dielectric constants |
ET33 /E0 |
1500 |
560 |
1150 |
1300 |
1650 |
1000 |
1800 |
2300 |
2800 |
3200 |
4400 |
|
Dissipation factor[%] |
tanδ |
0.50 |
0.40 |
0.50 |
0.50 |
0.50 |
0.20 |
1.50 |
1.50 |
1.30 |
1.10 |
1.50 |
|
Coupling coefficients |
Kp |
0.35 |
0.54 |
0.58 |
0.60 |
0.62 |
0.57 |
0.62 |
0.62 |
0.65 |
0.72 |
0.72 |
|
K33 |
|
|
0.69 |
0.71 |
0.70 |
0.68 |
0.71 |
0.72 |
0.72 |
0.76 |
0.78 |
|
K31 |
|
|
0.33 |
0.33 |
0.35 |
0.34 |
0.34 |
0.35 |
0.38 |
0.40 |
0.40 |
|
Piezoelectric charge |
d33 |
150 |
230 |
300 |
320 |
400 |
280 |
450 |
480 |
550 |
640 |
700 |
|
constants[pC/N] |
d31 |
|
|
-120 |
-145 |
-140 |
-105 |
-175 |
-210 |
-258 |
-283 |
-322 |
|
Piezoelectric |
g33 |
11.4 |
39 |
23.5 |
31.7 |
24.5 |
31 |
28.2 |
24.5 |
20.7 |
21.1 |
19.1 |
|
Voltage constants |
g31 |
|
|
-11.5 |
-12.8 |
-10.5 |
-11.9 |
-11 |
-10 |
-9.6 |
-9.3 |
-8.2 |
|
[X10-3Vm/N] |
|
Mechanical Q |
Qm |
2000 |
1600 |
600 |
800 |
400 |
800 |
60 |
60 |
80 |
60 |
60 |
|
Frequency constants
[Hz/M] |
Nt |
2680 |
|
2050 |
2010 |
2015 |
2090 |
2150 |
2100 |
2160 |
2200 |
2210 |
|
Np |
3160 |
|
2235 |
2180 |
2120 |
2330 |
2020 |
1990 |
1900 |
1950 |
1975 |
|
N31 |
|
|
1600 |
1560 |
1650 |
1670 |
1400 |
1420 |
1400 |
1400 |
1450 |
|
Elastic constants |
YE11 |
|
|
7.9 |
7.5 |
7.8 |
8.6 |
6 |
7.4 |
5.9 |
6 |
6.1 |
|
[X1010 N/m ] |
YE33 |
|
|
6.6 |
6.2 |
6.4 |
7.1 |
5.3 |
5 |
4.8 |
4.3 |
4.3 |
|
Poison's ratio |
|
0.30 |
0.32 |
0.33 |
0.35 |
0.30 |
0.33 |
0.35 |
0.35 |
0.35 |
0.34 |
0.35 |
|
Curie temperature[℃] |
Tc |
110 |
310 |
320 |
310 |
300 |
310 |
310 |
305 |
260 |
250 |
185 |
|
Density [g/cm3 ] |
r |
5.70 |
7.60 |
7.74 |
7.73 |
7.50 |
7.73 |
7.72 |
7.74 |
7.65 |
7.60 |
7.60 |
Material description: Hard, Soft,lead-free and Custom Materials.
• Hard Materials: PZT-2,PZT-4,PZT-8
Hard or high power ceramics can withstand high levels of electrical excitation and
mechanical
stress. These materials are suited for high voltage or high power generators and
transducers. (EX: PZT-4 for ultrasonic clearing ,fog discs and humidfy transducer,
PZT-8 for ultrasonic welding.)
• Soft Materials: PZT-5 Soft or high sensitivity ceramics feature high sensitivity and
permittivity, but under high drive conditions are susceptible to self-heating beyond
their operating temperature range. These ma-
terials are used in various sensors, low-power motor-type transducers, receivers,
and low power generators.(EX: PZT-5A accelerometer transducer, PZT-5H for medical
transducer,PZT-5X for actuator.)
• Lead-free material BT-1 most apply for fish-finder transducer and other marine testing
fixture.
• Custom Materials
Several ceramic materials have been formulated to meet the particular needs of
specific applications.
Equivalent table for manufacture designation:
|
Bochuang |
BT-1 |
PZT-4D |
PZT-8 |
PZT-5A |
PZT-5J |
PZT-5H |
|
Navy |
IV |
I |
III |
II |
V |
VI |
|
Industry |
|
PZT-4 |
PZT-8 |
PZT-5A |
PZT-5J |
PZT-5H |
|
MOTOROLA |
|
|
|
3195 |
|
3203 |
|
APC |
|
840 |
880 |
850 |
855 |
856 |
|
Morgan Electroceramics |
3 |
4 |
8 |
5A |
5J |
5H |
|
EDO |
EC-31 |
EC-64 |
EC-67 |
EC-65 |
|
EC-70 |
High Temperature Piezoelectric Ceramic
Typical values of high temperature piezoelectric ceramic materials
|
Properties |
Materials |
|
PT |
K81 |
K85 |
PNA |
HT |
|
Dielectric constants |
E33T/E0 |
160 |
350 |
650 |
230 |
134 |
|
Dissipation factor (%) |
tanδ |
0.8 |
0.6 |
1.7 |
0.7 |
0.1 |
|
Coupling Coefficients |
Kp |
0.08 |
0.29 |
0.28 |
0.04 |
0.05 |
|
Kt |
0.44 |
0.3 |
0.4 |
0.41 |
0.3 |
|
Piezoelectric Charge Constants (pC/N) |
d33 |
48 |
85 |
160 |
74 |
18 |
|
Piezoelectric voltage constants (X10-3Vm/N) |
g33 |
33.8 |
27.2 |
29 |
36.4 |
15.2 |
|
Mechanical Q |
Qm |
50 |
15 |
30 |
16 |
7800 |
|
Frequency contents(Hz.M) |
Nt |
2100 |
1720 |
1700 |
1600 |
2590 |
|
Poison's ratio |
qE |
0.28 |
0.41 |
0.41 |
0.19 |
0.24 |
|
Curie temperature(℃) |
Tc |
450 |
400 |
405 |
560 |
850 |
|
Density (g/cm3) |
r |
7.7 |
5.4 |
5.5 |
6 |
7.2 |
Above materials are used as design reference only, standard tolerances are approximately
±20%. Material properties are measured based on the standard IEEE and DOD definitions
and measuring techniques. All data here represent nominal characteristics (20+/-1 oC) 72 hours after polarization.
|
Products » Piezoelectric Ceramic »