Lead Free Piezoelectric Ceramic BaTiO3 Material Piezo Ring
Product Description
Lead Free Piezoelectric Ceramic BaTiO3 Material Piezo Ring
WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers and some other ultrasonic deivce with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.
Dimension:
OD 50.2mm, ID6.1mm, height 14-17mm(according to the frequency 180KHz)
Thickness Frequency Fr: 180KHz ± 5 KHz
Frequency Bandwidth ΔF＞7.5KHz
Resonate Impedance R ≤ 20 Ω
Dielectric Loss tg δ: <0.6%
Static capacitance Cs: 1350pF±12.5%
Standard Size of Piezo Ring:
Outer Dimension from 3mm up to 180mm
Inner Dimension from 1mm up to 150mm
Thickness from 0.2mm up to 25mm
Lead-free Piezoelectric Ceramics Material:
The Co-Al Co-doped Barium Titanate Lead-free Piezoelectric Ceramics was successfully developed by Yuhai company through repeated experiments. By Researching the influence of Co-Al Co-doping on the structure and properties of Barium Titanate-based piezoelectric ceramics, the formulation and preparation technology of Barium Titanate-based piezoelectric ceramics were optimized. Yuhai`s BaTiO3 was prepared by conventional solid-phase sintering method, with the piezoelectric constant d33 (>170pC/N), dielectric loss tgδ≤0.5% and mechanical coupling coefficient Kp≥0.34.
Lead free piezo material BaTiO3 |
Lead-free Material |
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Properties |
BaTiO3 |
||
Dielectric Constant |
ɛTr3 |
1260 |
|
Coupling factor |
KP |
0.34 |
|
K31 |
0.196 |
||
K33 |
0.43 |
||
Kt |
0.32 |
||
Piezoelectric coefficient |
d31 |
10-12m/v |
-60 |
d33 |
10-12m/v |
160 |
|
g31 |
10-3vm/n |
-5.4 |
|
g33 |
10-3vm/n |
14.3 |
|
Frequency coefficients |
Np |
3180 |
|
N1 |
2280 |
||
N3 |
|||
Nt |
2675 |
||
Elastic compliance coefficient |
Se11 |
10-12m2/n |
8.4 |
Machanical quality factor |
Qm |
1200 |
|
Dielectric loss factor |
Tg δ |
% |
0.5 |
Density |
ρ |
g/cm3 |
5.6 |
Curie Temperature |
Tc |
°C |
115 |
Young's modulus |
YE11 |
<109N/m3 |
119 |
Poison Ratio |
0.33 |
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