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Zibo Yuhai Electronic Ceramic Co., Ltd.
(Originally, Zibo Wireless Ceramic Factory)
Address :  No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China 
Tel : +86-0533-4230012      
Fax : +86-0533-4231700
Email : ceo@zbyuhai.com
            

Product details
  • Product name: Ultrasonic pickup Piezo Tube Components
  • Product number: PLiS-51-Φ14.1×Φ11.6×10mm
  • Date: 2016-12-29
  • Views : 101

 

Material:  PLiS-51 ( equal to PZT-5A)

 

 

Technical data:

Dimensions:  OD 14mm, ID11.6mm, height 10mm

Radial Frequency Fr: 68KHz ±2KHz

Electromechanical coupling coefficient K31: >0.36 

Dielectric Loss tg δ: <2.00%

Static capacitance Cs: 5868pF± 12.5%


Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms

 

PLiS-51 is a high Curie temperature version of P-51. It is dedicated to low aging rate, extremely stable performance and high frequency requirement etc. transducers

 

 

 

Applications: underwater ultrasonic receiver transducer

 

When the ultrasonic wave propagates, it will reflect when it meets the target. When the echo acts on the crystal of the underwater acoustic transducer, the electrical signals may be obtained on the two ends of the transducer due to the piezoelectric effect. Like radar antenna, underwater acoustic transducer not only transmits and receives ultrasonic signals, but also has sharp directionality. Only in this way can the azimuth of the target be determined. Sonar devices use many piezoelectric crystals to form transducer arrays to achieve sharp directivity. Therefore, the underwater acoustic transducer of sonar is very large, and it is usually installed in the underwater part of the bow of a warship.

Transducers are devices that convert sound energy to electricity (or two different forms of energy). Most of the underwater acoustic transducers/equipments use electro-acoustic conversion, because this conversion mode is most convenient for manual control. The transducer used underwater is called underwater acoustic transducer.

The ultrasonic transducer is called the transmitting transducer, which generates electrical signals from the electronic oscillator to excite the transducer to produce mechanical vibration, and thus propels the water medium to emit acoustic waves into the water. Conversely, the transducer that generates vibration under the excitation of sound wave and converts sound energy into electricity is called receiving transducer or hydrophone.

 

Normally piezo ceramic components used in underwater acoustic transducer/hydrophone is piezo tubes, piezo sphere or piezo Trapezoid strip.

 

Yuhai company can provide the piezo materials for underwater acoustic transducers: 

 

 

 

"Soft" PZT materials

             
Properties     PZT-51 PZT-52 PZT-53 PZT-5H PLiS-51
Dielectric Constant ɛTr3   2200 2400 2600 3200 2000
               
Coupling factor  KP   0.62 0.63 0.64 0.68 0.62
  K31   0.35 0.35 0.36 0.38 0.35
  K33   0.68 0.7 0.7 0.76 0.7
  Kt   0.5 0.5 0.5 0.52 0.52
Piezoelectric coefficient d31 10-12m/v -186 -204 -227 -275 -197
  d33 10-12m/v 500 520 550 620 450
  g31 10-3vm/n -9.6 -9.8 -9.9 -9.7 -11.1
  g33 10-3vm/n 25.6 24.5 23.9 22 25.4
Frequency coefficients Np   1980 1980 1960 1900 1920
  N1   1451 1451 1437 1393 1407
  N3   1900 1900 1755 1550 1925
  Nt   2150 2150 2150 2100 2100
Elastic compliance coefficient Se11 10-12m2/n 16.7 17 17.4 18 18
Machanical quality factor Qm   80 75 75 70 80
               
Dielectric loss factor Tg δ % 2 2 2 2 2
Density ρ g/cm3 7.6 7.6 7.6 7.5 7.5
Curie Temperature Tc °C 270 270 270 230 345
Young's modulus YE11 <109N/m3 60 59 57.5 56 56
Poison Ratio     0.36 0.36 0.36 0.36 0.36
 
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