Custom Piezoelectric Ceramic Ring Componnets for Vibration Transducer
Product Description
Custom Piezoelectric Ceramic Ring Componnets for Vibration Transducer
1.Product Description
- Piezo Material: PZT-8
- Dimensions: OD15*ID7*4mm
2. Piezo Ring FOR Ultrasonic Welding in stock:
OD38*ID15*5mm
OD45*ID15*5mm
OD50*ID17*5mm
OD50*ID23*5mm
OD50*ID23*6(6.5)mm
3.Some Standard Size of Piezo Ring
Range Of piezo ceramic ring
External diameter: 5.0 - 100mm
Internal diameter :(2.0 - 35mm)
Thickness : (0.2 - 15mm)
Choice of metallisation (Silver, Nickel, Gold and others on request)
Wide choice of PZT formulations
4.Typical value of "Hard" PZT materials performance:
Hard" PZT materials |
|||||||
Properties |
PZT-41 |
PZT-42 |
PZT-43 |
PZT-82 |
PBaS-4 |
||
Dielectric Constant |
ɛTr3 |
1050 |
1250 |
1420 |
1100 |
1900 |
|
Coupling factor |
KP |
0.58 |
0.58 |
0.58 |
0.52 |
0.59 |
|
K31 |
0.32 |
0.33 |
0.34 |
0.3 |
0.34 |
||
K33 |
0.66 |
0.67 |
0.68 |
0.57 |
0.68 |
||
Kt |
0.48 |
0.48 |
0.48 |
0.4 |
0.49 |
||
Piezoelectric coefficient |
d31 |
10-12m/v |
-106 |
-124 |
-138 |
-100 |
-160 |
d33 |
10-12m/v |
260 |
280 |
300 |
240 |
380 |
|
g31 |
10-3vm/n |
-11.4 |
-11.2 |
-11 |
-10.3 |
-9.5 |
|
g33 |
10-3vm/n |
28 |
25.3 |
24 |
25 |
22.6 |
|
Frequency coefficients |
Np |
2280 |
2200 |
2160 |
2280 |
2200 |
|
N1 |
1671 |
1613 |
1583 |
1671 |
1613 |
||
N3 |
1950 |
1900 |
1875 |
1950 |
1850 |
||
Nt |
2250 |
2200 |
2200 |
2300 |
2200 |
||
Elastic compliance coefficient |
Se11 |
10-12m2/n |
11.8 |
12.7 |
13.2 |
11.6 |
13.2 |
Machanical quality factor |
Qm |
1000 |
800 |
600 |
1200 |
2200 |
|
Dielectric loss factor |
Tg δ |
% |
0.3 |
0.4 |
0.5 |
0.3 |
0.5 |
Density |
ρ |
g/cm3 |
7.5 |
7.5 |
7.5 |
7.6 |
7.5 |
Curie Temperature |
Tc |
°C |
320 |
320 |
320 |
310 |
310 |
Young's modulus |
YE11 |
<109N/m3 |
85 |
79 |
76 |
86 |
76 |
Poison Ratio |
0.3 |
0.3 |
0.3 |
0.3 |
0.33 |
5. STANDARD MECHANICAL TOLERANCES:
Outside Diameter ±0.150mm
Inside Diameter ±0.150mm
Thickness ±0.05mm
Flatness 0.002**/0.012mm MAX
Parallelism 0.007**/0.012mm MAX
Concentricity 0.2mm