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Properties of piezoceramic materials
Basic characteristics of piezoelectric ceramics Properties of piezoceramic materials
Ultrasonic cleaning transducer
Round head collar cleaning transducer Household cleaning transducer (slot) Ultrasonic beauty instrument probe Schematic diagram of a cleaning transducer
Welding transducer
Transducer for ultrasonic welding machine
Other ultrasonic transducer
Bonder transducer Ultrasonic tooth cleaning transducer Tank level transducer Reversing alarm transducer Flat head collar cleaning transducer Fetal heart monitoring transducer

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Properties of piezoceramic materials

Pbulish：admin　　time：2007年12Month07Day

序號

性能參數名稱

符號

指標

允許
公差

P-33

P-41

P-42

P-44

P-51

P-52

P-53

P-61

P-81

機電耦合係數

K_p

0.60

0.56

0.58

0.60

0.65

0.64

0.68

0.53

±6.0%

K₃₁

0.36

0.33

0.34

0.36

0.38

0.37

0.33

0.30

0.31

K₃₃

0.70

0.66

0.67

0.70

0.74

0.76

0.63

K₁₅

0.70

0.66

0.67

0.70

0.72

0.75

0.76

0.61

0.66

K_t

0.47

0.48

0.50

0.49

0.55

0.47

自由相對電容率

ε	T
	r³

1725

1050

1275

1350

2100

3250

3000

1100

1025

±12.5%

ε	T
	r¹

1725

1450

1700

1900

2400

3500

4100

1100

1400

介質損耗

tgδ

0.020

0.005

0.006

0.005

0.020

0.008

0.004

≤

彈性柔順常數
(x10^-12m²/N)

S	E
	11

12.0

11.5

15.5

11.0

±10%

S	D
	33

9.0

8.5

8.0

8.5

9.0

8.8

8.5

S	D
	55

21.0

21.5

22.0

23.0

22.0

21.0

壓電應變常數
(x10^-12m/v或C/N)

d₃₁

160

-110

-130

-150

-210

-260

-270

-100

±12.5%

d₃₃

390

250

290

320

450

575

590

225

d₁₅

480

460

500

530

710

950

1050

450

機械品質因素

Q_m

500

400

800

≥

頻率常數
(Hz·m)

N_d

1950

2250

2200

2000

1940

1950

2350

2300

±5%

N₁

1470

1650

1700

1600

1450

1480

1700

N₃

1880

1950

2050

2000

1900

1960

N₅

1130

1230

1200

1300

1230

N_t

2250

2270

2300

2250

2300

2280

聲速
(m/s)

V_t

3000

3460

3500

3300

3000

3010

3040

3500

±5%

V₁

2940

3300

3400

3200

2900

3400

V₃

3760

3900

4100

4000

3800

3920

V₅

2260

2460

2400

2460

V_t

4500

4540

4600

4500

4600

4700

4560

序號

性能參數名稱

符號

指標

允許
公差

P-33

P-41

P-42

P-44

P-51

P-52

P-53

P-61

P-81

居裏溫度(℃)

T_c

335

310

300

260

180

200

320

300

≥

十倍時間變化率
(%)

A_Nd

0.20

1.3

1.2

0.35

1.3

0.1

1.3

A_Kp

-0.25

-2.5

-2.0

-1.8

-0.4

-0.25

-1.7

0.5

-2.0

Aε

-1.5

-4.5

-4.0

-1.5

-2.0

-3.8

0.8

-4.0

溫度相對變化率(%)-10℃-50℃基準25℃

ΔNd/N

1.0

1.5

1.0

1.5

2.0

0.35

1.5

Δε/ε

9.5

9.0

強場介電性能
T=25℃ E=400V

tgδ

0.04

0.01

≤

Δε/ε

0.18

0.20

0.17

0.06

≤

注：1，表中的性能參數指標除體積密度及居裏溫度外, 均爲極化後十天的測量值.

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