Tube Piezo Components

Harbin Core Tomorrow(CoreMorrow for short) provides piezoelectric components, which could be widely selected in terms of shape and size to suit your application.

CoreMorrow piezoelectric ceramics (also often called ultrasonic ceramics) contains only one piezoelectric ceramic layer inside, and there is no electrode layer inside, only the electrode layer on the outer surface, unlike the multilayer piezoelectric ceramics, there are many ceramic layers and electrode layers.

It could be used for cutting without destroying the single-layer ceramic corresponding to the positive and negative electrodes.

Features

- Monolayer piezo elements

- Ultrasonic piezo ceramic

- Diameter to 140 mm

- Wall thickness to 1 mm

Recommended Controllers

Model	Output voltage[V]	Output power[W]	Bandwidth(-3dB)
E01/00	120V	20W	0~50KHZ
	50V	20W	0~100KHZ
	40V	20W	0~150KHZ
E2031	300V	18W	0~500kHz
E4011	160V	80W	0~1MHz
E2021	170V	42.5W	0~1.5MHz
E1200	35V	17.5W	0~24MHz

Roughness: Rz 5-10, Ra 0,7-1,3.

Flatness: +/-10µm, depends the size.

Acoustic impedance: radialoscillation.

Output power: the output power is related to the frequency of ceramic vibration and driving voltage, etc., max to 40-50W/cm3 on the resonant frequency point.

Specifications

Comparison of piezo component and multilayer piezo stack

Attributes	Piezo component	Multilayer piezo stack
Driving voltage	High（~1kV/mm）	Low（60V/150V/200V）
Displacement	small, nanometer-scale	large, micrometer-scale
Resonant frequency	100kHz~6.6MHz	50Hz~100kHz
Capacitance	nF-scale	nF~μF-scale

Max Driving Voltage

Material	PZT4	PZT5	PZT8
AC	360~440V/mm	200~280V/mm	360~440V/mm
DC	720~880V/mm	400~560V/mm	720~880V/mm

Plate Resonant Frequency

Thickness[mm]	Resonant frequency[kHz]
20	100
10	200
4	500
2	1000
1.4	1500
1	2000
0.5	4000
0.45	4700
0.3	6600

Material Technical Data

Properties	Symbol & unit	NCE40	NCE41	NCE46*	NCE51 NCE51F	NCE53	NCE55	NCE56	NCE57*	NCE59*	NCE80	NCE81
Dielectric Properties（Tolerance +/-10%）
Relative Dielectric Constant	εT33 / ε0	1250	1350	1300	1900	1600	5000	2900	1800	2900	1050	1020
Dielectric Loss Factor	tgδ [10-4]	25	40	30	150	130	220	140	170	190	20	17
Dielectric Loss Factor at 400V/mm	tgδ [10-4]	140	200								100	60
Electromechanical Properties（tolerance +/-5%）
Electromech. Coupling Factors**	kp	0.58	0.57	0.57	0.65	0.56	0.62	0.64	0.59	0.64	0.55	0.55
	k31	0.34	0.33	0.33	0.38	0.32	0.39	0.37	0.33	0.37	0.30	0.30
	k33	0.70	0.68	0.68	0.74	0.65	0.72	0.74	0.70	0.75	0.68	0.69
	kt	0.50	0.50	0.47	0.50	0.47	0.50	0.50	0.47	0.52	0.48	0.47
Piezoelectric Charge Constants	-d31 [10-12 C/N]	140	130	130	195	150	260	250	170	240	100	100
Piezoelectric Charge Constants	d33 [10-12 C/N]	320	310	290	443	360	670	580	425	575	240	255
Piezoelectric Voltage Constants	-g31[10-3 Vm/N]	11	11	11	13	9	9	9	11	10	11	11
Piezoelectric Voltage Constants	g33 [10-3Vm/N]	27	25	28	26	23	19	20	27	23	27	28
Frequency Constants	NEp [m/s]	2160	2280	2230	1925	2180	1970	2000	2010	1970	2270	2320
	NDt [m/s]	1980	2000	2040	2000	2040	1990	2030	1950	1960	2050	2130
	NE1 [m/s]	1470	1600	1500	1370			1530	1400	1410	1610	1630
	ND3 [m/s]	1340	1500	1800	1320			1400	1500	1500	1500	1500
Physical Properties（tolerance +/-5%)
Mechanical Quality Fator	Qm	700	1400	>1000	80	80	70	80	80	90	1000	1400
Density	ρ [103 kg/m3]	7.75	7.90	7.70	7.85	7.60	8.00	7.65	7.70	7.45	7.80	7.73
Elastic Compliances	sE11 [10-12m2/N]	13	13	13	16	16	17	18	17	17	11	16
Elastic Compliances	sE33 [10-12 m2/N]	17	16	20	19	18	21	20	23	23	14	17
Curie Tempreture	Tc[°C]	318	284	330	360	340	159	242	350	235	307	307
) For multilayer components only. *) Measured in accordance with standard EN 50324.
The values listed above are for reference purposes only and cannot be applied unconditionally to other shapes and dimensions. Values vary depending on the components' actual shape, surface finish, shaping process and post-processing.

Dimension

OD (mm)

TH*(mm)

WTH**（mm）

2.5

√

100

√

110

√

120

√

140

√

Contact

Customer Center

Piezo Solutions (CoreMorrow)

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