10X5X2mm Ring Piezoelectric Material Ceramic as Dental Cleaning Transducer Piezoelements

• Type: Piezoelectric Ceramic
• Production Process: Ceramics
• Sensitivity: High
• Application: Ultrasound Dental Cleaning Transducer
• Usage: Piezoelectric Ceramic Element
• Material: Lead Zirconate Titanate Piezoelectric
• Model NO.: OKS-JYJP-1052
• MOQ: 50PCS
• Transport Package: Foam and Carton
• Specification: 10x5x2mm PZT8
• Origin: Tianjin, China
• HS Code: 8543909000
• Production Capacity: 100000PCS/Per Month

Product Description

The principle of piezoelectric ceramic energy converter is that when the pressure or tension is applied to the ceramic chip, the opposite polarity charge will be generated at both ends of the ceramic chip, and the current will be generated through the circuit. This effect is called piezoelectric effect. Therefore, in the design of ultrasonic transducer, various factors should be considered, such as acoustic impedance, frequency response, impedance matching, acoustic structure, vibration mode and conversion material, and how to design and coordinate these factors, so as to achieve the best value of electroacoustic conversion. As a kind of energy transmission network, piezoelectric ceramic transducer has the problem of energy conversion efficiency.

Conversion efficiency is related to transducer material, vibration form, structure of mechanical vibration system (including support mechanism) and selection of working frequency. Therefore, the problem of ultrasonic transmitter is solved. There are two kinds of piezoelectric transducer materials: magnetostrictive metal and piezoelectric ceramic. Piezoelectric ceramic transducer is a kind of electronic ceramic material with piezoelectric characteristics. The main difference between piezoelectric quartz crystal and typical piezoelectric quartz crystal without ferroelectric component is that the crystal phase of its main component is ferroelectric crystal. Because ceramics are polycrystalline aggregates with randomly oriented grains, the spontaneous polarization vector of each ferroelectric crystal is also disoriented.

If the transducer made of this kind of piezoelectric ceramic is put into water, then under the action of sound wave, the electric charge will be induced at both ends of the transducer, which is the sound wave receiver. In addition, the piezoelectric effect is reversible. If the alternating electric field is applied to the piezoelectric ceramic sheet, the ceramic sheet will become thinner and thicker from time to time, and generate vibration and sound wave. In order to make the ceramics show the macroscopic piezoelectric characteristics, the piezoelectric ceramics must be polarized in the strong direct current electric field after firing, and the end face is subject to multiple electrodes, so the polarization vector of the original disordered orientation is preferentially oriented in the electric field direction. After the electric field is eliminated, the piezoelectric ceramics after polarization treatment will maintain a certain degree of macroscopic residual polarization strength, so that the ceramics have a certain pressure.

Electronic ceramics can be divided into five categories according to their functions and uses: insulating ceramics, capacitor ceramics, ferroelectric ceramics, semiconductor ceramics and ion ceramics.

 1. Application on special sensitive ceramic automotive sensors
 Electronic ceramic sensors for automobiles are required to be suitable for a long time in the harsh environment of automobiles (high temperature, low temperature, vibration, acceleration, humidity, sound, exhaust gas), and should have the characteristics of small and light weight, good reusability, and wide output range. Ceramic heat-resistance, corrosion-resistance, wear-resistance and its potential excellent electromagnetic and optical functions have been fully utilized in recent years with the advancement of manufacturing technology. Sensors made of sensitive ceramic materials can fully meet the above requirements.

2. Application of ceramic materials in automobile spraying technology
 In recent years, aerospace technology has widely used ceramic film spraying technology and began to be applied to automobiles. The advantages of this technology are good thermal effect, can withstand high temperature and pressure, mature technology, and stable quality. In order to achieve the goal of low heat dissipation, ceramic spraying can be applied to the engine combustion chamber components, such as zirconia spray on the top of the piston and zirconia spray on the cylinder liner. After this treatment, the engine can reduce heat loss, reduce the quality of the engine itself, reduce the size of the engine, and reduce fuel consumption.

3. Application of alumina ceramic automobile shock absorber
 The high-end car damping device comprehensively utilizes the positive piezoelectric effect of sensitive ceramics and the electrostrictive effect of the inverse piezoelectric effect of alumina ceramics to successfully develop intelligent shock absorbers. Due to the use of high-sensitivity ceramic components, this shock absorber has the function of identifying the road surface and can do self-adjustment, which can minimize the vibration of the car due to the rough road surface.

Piezo Ceramic For Tooth-Cleaning:

Specification	Dimension	Radial Frequency	Capacitance	Electromechanical coupling coefficient	Piezoelectric voltage coefficient	Dielectric
	(mm)	(fs)	(pF)	(Kr)	( d33)	dissipation factor
						(tanδ)
OKS-JYJP-1052	Φ10×Φ5×2	145KHz±5%	330 ±12.5%	0.54	260	≤0.6
OKS-JYJP-1051	Φ10×Φ5×1	150KHz±5%	310±12.5%	0.31	200	≤0.3
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Ring Piezoelectric Ceramic (PZT-4 and pzt-8):

specification	Dimension	Radial frequency	Capacitance	Dielectric dissipation factor	Electromechanical coupling coefficient	Impedance	Thickness frequency	Mechanical
	(mm)	(KHz)	(pf)	tanδ(%)	(Kr)	Zr(Ω)	(KHz))	quality factor
								(Qm)
OKS-YHJP-25103	Φ25×Φ10×3	66.4	1240±12.5%	≤0.3	≥0.46	≤15	683±5%	800
OKS-YHJP-25104	Φ25×Φ10×4	66.4	930±12.5%	≤0.3	≥0.46	≤15	512±5%	800
OKS-YHJP-40125	Φ40×Φ12×5	45.9	2070±12.5%	≤0.3	≥0.46	≤15	410±5%	800
OKS-YHJP-40155	Φ40×Φ15×5	42.2	1960±12.5%	≤0.3	≥0.46	≤15	323±5%	500
OKS-YHJP-40176	Φ40×Φ17×6	40.5	1555±12.5%	≤0.3	≥0.46	≤15	341±5%	800
OKS-YHJP-40205	Φ40×Φ20×5	37.9	1700±12.5%	≤0.3	≥0.47	≤15	410±5%	800
OKS-YHJP-50206	Φ50×Φ20×6	33.2	2490±12.5%	≤0.3	≥0.46	≤15	341±5%	500
OKS-YHJP-501765	Φ50×Φ17×6.5	34.8	2430±12.5%	≤0.3	≥0.46	≤15	315±5%	800
OKS-YHJP-50236	Φ50×Φ23×6	31.2	2340±12.5%	≤0.3	≥0.47	≤15	341±5%	800
OKS-YHJP-50276	Φ50×Φ27×6	29.3	2100±12.5%	≤0.3	≥0.47	≤15	341±5%	800
OKS-YHJP-603010	Φ60×Φ30×10	25.3	1922±12.5%	≤0.3	≥0.47	≤18	205±5%	800
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Piezoelectric Ceramic For cleaning machine:

Specification	Dimension	Radial frequency	Capacitance	Dielectric dissipation factor	Impedance	Kr	Mechanical
	(mm)	(KHz)	(±12.5%)pF	tanδ(%)	(Ω)		quality factor
							(Qm)
OKS-QXJP3030	Φ30×3.0	66.7	2730	≤0.3	≤15	≥0.55	500
OKS-QXJP3530	Φ35×3.0	63	3100	≤0.3	≤15	≥0.55	500
OKS-QXJP3865	Φ38×6.5	59.9	1580	≤0.3	≤15	≥0.55	500
OKS-QXJP4530	Φ45×3.0	50	5100	≤0.3	≤15	≥0.55	500
OKS-QXJP4535	Φ45×3.5	50	4700	≤0.3	≤15	≥0.55	500
OKS-QXJP5030	Φ50×3.0	46	5800	≤0.3	≤15	≥0.55	500
OKS-QXJP5035	Φ50×3.5	46	6300	≤0.3	≤15	≥0.55	500
OKS-QXJP5050	Φ50×5.0	46	4150	≤0.3	≤15	≥0.55	500
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