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Custom Tangential Tube

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Zibo Yuhai Electronic Ceramic Co., Ltd.
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

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Custom Tangential Tube

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Piezo- ceramic tangential tubes

The derived stress distribution formula in terms of the two layer cylindical tranducer revealed the circumferential stress of the piezo tube transducer is greater than the radial stress, according the scientific experiments of acoustic oil well logging.

The tangentially polarized piezoelectric ceramic tube is difficult to achieve full polarization and has a slightly higher polarization intensity, but when it works in the radial vibration mode (low frequency), its electromechanical coupling coefficient is k33, so its sensitivity is higher, and because the sound velocity V3 is higher, the resonance frequency can be lower under the same diameter condition.

Application: oilfield detection, ultrasonic pickups

Piezoelectric Ceramic Material: PZT-53 (modified PZT-5)

Piezoelectric elements technical data:

Dimensions: 

diameter 42mm, wall thickness 2.5mm,  height 35mm 

Thickness Frequency Fr: 

21.5KHz ± 1.5 KHz

Mechanical Coupling coefficient K33

>0.6

Dielectric Loss tg δ: 

< 2%

Static capacitance Cs: 

2600pF±12.5%

Typical soft PZT characteristics include:

Wide range of frequencies in transmit and receive (sub-audible, audible, ultrasonic)

High output, low drive material

High frequency, fast response time

High sensitivity for active or passive use

Ability to use with low voltage or high voltage drive circuits

Good mechanical and acoustic coupling

Wide variety of shapes and sizes that can be customized to meet specific requirements and applications

Wide variety of compositions that can be selected to meet specific requirements and applications

Quality of each PZT component is ensured by a rigorous testing regimen. Characteristics such as frequency, capacitance, dissipation, coupling, d33 and mechanical properties are measured and verified against our / customer provided specifications.

Typical soft PZT applications include:

· Undersea exploration (sonar, beacons, imaging, current meters)

· Aerospace (gyroscopes, accelerometers, level sensing)

· Medical products (Doppler blood flow, oncology therapeutics (high intensity focused ultrasound), imaging, level sensing, intra-operative tools for ophthalmology (phacoemulsification), dental descaling, general surgery, tissue ablation, medication delivery, hearing enhancement, bubble detection)

· Consumer products (ultrasonic toothbrushes, jewellery cleaners, contact lens cleaners, computer hard drives, touch screen displays, integrated, ultra-thin speakers and cosmetic enhancement)

· Industrial and Commercial (flow and level sensors, ultrasonic cleaning, ultrasonic welding, intrusion alarms, fabric needle positioning, solder dispensing, machine vibration monitoring, bubble detection, sonochemistry for improved chemical mixing)

· Telecommunications (optical switching of telecom lines, buzzers and alarms, Haptics feedback, mobile phone cameras)

· Automotive (power seat controls, reversing/collision avoidance sensors, anti-knock sensors)

· Scientific research (nano positioning stages and analytical tools, scanning pro

Typical value of piezoelectric ceramic materials performance        
"Soft" PZT materials                  
Properties     PZT-51 PZT-52 PZT-53 PZT-5H PLiS-51 PMgN-51 PSnN-5
Dielectric Constant ɛr3   2200 2400 2600 3200 2000 3800 1600
                   
Coupling factor  KP   0.62 0.63 0.64 0.68 0.62 0.64 0.6
  K31   0.35 0.35 0.36 0.38 0.35 0.35 0.35
  K33   0.68 0.7 0.7 0.76 0.7 0.7 0.68
  Kt   0.5 0.5 0.5 0.52 0.52 0.52 0.5
Piezoelectric coefficient d31 10-12m/v -186 -204 -227 -275 -197 -270 -170
  d33 10-12m/v 500 520 550 620 450 600 400
  g31 10-3vm/n -9.6 -9.8 -9.9 -9.7 -11.1 -8 -12
  g33 10-3vm/n 25.6 24.5 23.9 22 25.4 18 28
Frequency coefficients Np   1980 1980 1960 1900 1920 1980 2000
  N1   1451 1451 1437 1393 1407 1451 1466
  N3   1900 1900 1755 1550 1925 1800 1825
  Nt   2150 2150 2150 2100 2100 2100 2100
Elastic compliance coefficient Se11 10-12m2/n 16.7 17 17.4 18 18 18 16.6
Machanical quality factor Qm   80 75 75 70 80 70 85
                   
Dielectric loss factor Tg δ % 2 2 2 2 2 1.8 2
Density ρ g/cm3 7.6 7.6 7.6 7.5 7.5 7.6 7.5
Curie Temperature Tc °C 270 270 270 230 345 270 350
Young's modulus YE11 <109N/m3 60 59 57.5 56 56 56 60
Poison Ratio     0.36 0.36 0.36 0.36 0.36 0.36 0.36

 

 

We could not find any corresponding parameters, please add them to the properties table

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ADDRESS: No. 57, Chuangye Road, Development Zone, Zibo, Shandong, China

EMAILS: ceo@zbyuhai.com

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