|
No.
|
Performance Parameter
|
Symbol
|
Index
|
Allow
tolerance
|
|
P-33
|
P-41
|
P-42
|
P-44
|
P-51
|
P-52
|
P-53
|
P-61
|
P-81
|
|
1
|
机电耦合系数
Electromechanical coupling coefficient
|
Kp
|
0.60
|
0.56
|
0.58
|
0.60
|
0.65
|
0.64
|
0.68
|
0.53
|
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
|
0.76
|
|
0.63
|
|
K15
|
0.70
|
0.66
|
0.67
|
0.70
|
0.72
|
0.75
|
0.76
|
0.61
|
0.66
|
|
Kt
|
0.47
|
0.48
|
0.48
|
0.48
|
0.50
|
0.49
|
0.55
|
0.47
|
0.47
|
|
2
|
自由相对电容率
Free relative permittivity
|
|
1725
|
1050
|
1275
|
1350
|
2100
|
3250
|
3000
|
1100
|
1025
|
±12.5%
|
|
|
1725
|
1450
|
1700
|
1900
|
2400
|
3500
|
4100
|
1100
|
1400
|
|
3
|
介质损耗
Dielectric loss
|
tgδ
|
0.020
|
0.005
|
0.006
|
0.005
|
0.020
|
0.020
|
0.020
|
0.008
|
0.004
|
≤
|
|
4
|
弹性柔顺常数
(x10-12m2/N)
Soft elastic constants
|
|
15
|
12.0
|
11.5
|
13
|
15
|
15.5
|
15
|
|
11.0
|
±10%
|
|
|
9.0
|
8.5
|
8.0
|
8.5
|
9.0
|
9.0
|
8.8
|
|
8.5
|
|
|
25
|
21.0
|
21.0
|
21.5
|
22.0
|
23.0
|
22.0
|
|
21.0
|
|
5
|
压电应变常数
(x10-12m/v或C/N)
Piezoelectric strain constants
|
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
|
|
6
|
机械品质因素
Mechanical quality factor
|
Qm
|
75
|
500
|
500
|
400
|
70
|
65
|
65
|
800
|
800
|
≥
|
|
7
|
频率常数
(Hz·m)
Frequency constant
|
Nd
|
1950
|
2250
|
2200
|
2200
|
2000
|
1940
|
1950
|
2350
|
2300
|
±5%
|
|
N1
|
1470
|
1650
|
1700
|
1600
|
1450
|
1450
|
1480
|
1700
|
1700
|
|
N3
|
1880
|
1950
|
2050
|
2000
|
1900
|
1900
|
1900
|
|
1960
|
|
N5
|
1130
|
1230
|
1230
|
1230
|
1200
|
1200
|
1200
|
1300
|
1230
|
|
Nt
|
2250
|
2270
|
2300
|
2300
|
2250
|
2300
|
2300
|
2300
|
2280
|
|
8
|
声速
(m/s)
velocity
|
Vt
|
3000
|
3460
|
3500
|
3300
|
3000
|
3010
|
3040
|
|
3500
|
±5%
|
|
V1
|
2940
|
3300
|
3400
|
3200
|
2900
|
2900
|
2900
|
|
3400
|
|
V3
|
3760
|
3900
|
4100
|
4000
|
3800
|
3800
|
3800
|
|
3920
|
|
V5
|
2260
|
2460
|
2460
|
2460
|
2400
|
2400
|
2400
|
|
2460
|
|
Vt
|
4500
|
4540
|
4600
|
4600
|
4500
|
4600
|
4700
|
|
4560
|
|
No.
|
性能参数名称
Performance parameter name
|
符号
|
指 标
|
允许
公差
|
|
P-33
|
P-41
|
P-42
|
P-44
|
P-51
|
P-52
|
P-53
|
P-61
|
P-81
|
|
10
|
居里温度(℃)
Curie temperature
|
Tc
|
335
|
310
|
300
|
300
|
260
|
180
|
200
|
320
|
300
|
≥
|
|
11
|
十倍时间变化率
(%)
Ten times the time rate
|
ANd
|
0.20
|
1.3
|
1.3
|
1.2
|
0.35
|
0.35
|
1.3
|
0.1
|
1.3
|
|
|
AKp
|
-0.25
|
-2.5
|
-2.0
|
-1.8
|
-0.4
|
-0.25
|
-1.7
|
0.5
|
-2.0
|
|
Aε
|
-1.5
|
-4.5
|
-4.5
|
-4.0
|
-1.5
|
-2.0
|
-3.8
|
0.8
|
-4.0
|
|
12
|
温度相对变化率(%)-10℃-50℃基准25℃
Temperature variation
|
ΔNd/N
|
1.0
|
1.0
|
1.5
|
1.0
|
1.5
|
2.0
|
2.0
|
0.35
|
1.5
|
|
|
Δε/ε
|
15
|
9.5
|
9.5
|
9.0
|
20
|
40
|
40
|
|
9.0
|
|
|
13
|
强场介电性能
T=25℃ E=400V
Strong field of dielectric properties
|
tgδ
|
|
0.04
|
0.04
|
0.04
|
|
|
|
|
0.01
|
≤
|
|
Δε/ε
|
|
0.18
|
0.20
|
0.17
|
|
|
|
|
0.06
|
≤
|
|
注：1， 表中的性能参数指标除体积密度及居里温度外, 均为极化后十天的测量值.
Note: 1, the performance parameters except watch Curie temperature and density, after ten days for the polarization of the measured values
|
