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 : sales@zbyuhai.com

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Piezoelectric cylinder PZT-4 High performance

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Product Description

Parameters

Piezoelectric ceramic tubes

Electrode direction: Radial direction

Applications: underwater acoustic transducer

Transmitting transducer refers to "transmitter", which is used to emit sound waves in water. It needs to be able to withstand enough power, has high electro-acoustic conversion efficiency and mechanical strength. It usually works in a suitable wide frequency range near the resonance frequency.

Piezoelectric tubes, sphere or block/plate was ulitized in underwater acoustic transducer/hydrophone, underwater GPS localisation systerm etc.

Material: Pzt-4d

This material range is ideally suited for ultrasonic cleaning, sonar, and other high power acoustic radiation applications. These materials are designated as PZT400 series type materials and are capable of producing large mechanical drive amplitudes while maintaining low mechanical and dielectric losses. In addition, it can be used under both constant and repetitive conditions. Within this group of materials, CeramTec offer a complete range of three PZT400 series material types with a variety of permittivity values, coupling, power handling and actuation properties.

Technical data:

Dimensions: OD 36mm, ID32mm, height 15mm

Radial Frequency Fr: 30KHz ± 1KHz
Dielectric Loss tg δ: < 0.5%
Mechanical Coupling Coefficient K31 >0.32
Static capacitance Cs: 11200 pF±15%

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1Vrms

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

"Hard" PZT materials
Properties			PZT-41	PZT-42	PZT-43
Dielectric Constant	ɛTr3		1050	1250	1420

Coupling factor	KP		0.58	0.58	0.58
	K31		0.32	0.33	0.34
	K33		0.66	0.67	0.68
	Kt		0.48	0.48	0.48
Piezoelectric coefficient	d31	10-12m/v	-106	-124	-138
	d33	10-12m/v	260	280	300
	g31	10-3vm/n	-11.4	-11.2	-11
	g33	10-3vm/n	28	25.3	24
Frequency coefficients	Np		2280	2200	2160
	N1		1671	1613	1583
	N3		1950	1900	1875
	Nt		2250	2200	2200
Elastic compliance coefficient	Se11	10-12m2/n	11.8	12.7	13.2
Machanical quality factor	Qm		1000	800	600

Dielectric loss factor	Tg δ	%	0.3	0.4	0.5
Density	ρ	g/cm3	7.5	7.5	7.5
Curie Temperature	Tc	°C	320	320	320
Young's modulus	YE11	<109N/m3	85	79	76
Poison Ratio			0.3	0.3	0.3