序號 |
性能參數(shù)名稱 |
符號 |
指 標(biāo) |
允許 |
|||||||||||
P-33 |
P-41 |
P-42 |
P-44 |
P-51 |
P-52 |
P-53 |
P-61 |
P-81 |
|||||||
1 |
機(jī)電耦合系數(shù) |
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 |
自由相對電容率 |
|
1725 |
1050 |
1275 |
1350 |
2100 |
3250 |
3000 |
1100 |
1025 |
±12.5% |
|||
|
1725 |
1450 |
1700 |
1900 |
2400 |
3500 |
4100 |
1100 |
1400 |
||||||
3 |
介質(zhì)損耗 |
tgδ |
0.020 |
0.005 |
0.006 |
0.005 |
0.020 |
0.020 |
0.020 |
0.008 |
0.004 |
≤ |
|||
4 |
彈性柔順常數(shù) |
|
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 |
壓電應(yīng)變常數(shù) |
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 |
機(jī)械品質(zhì)因素 |
Qm |
75 |
500 |
500 |
400 |
70 |
65 |
65 |
800 |
800 |
≥ |
|||
7 |
頻率常數(shù) |
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 |
聲速 |
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 |
|||||||
序號 |
性能參數(shù)名稱 |
符號 |
指 標(biāo) |
允許 |
|||||||||||
P-33 |
P-41 |
P-42 |
P-44 |
P-51 |
P-52 |
P-53 |
P-61 |
P-81 |
|||||||
10 |
居里溫度(℃) |
Tc |
335 |
310 |
300 |
300 |
260 |
180 |
200 |
320 |
300 |
≥ |
|||
11 |
十倍時間變化率 |
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 |
溫度相對變化率(%)-10℃-50℃基準(zhǔn)25℃ |
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 |
強(qiáng)場介電性能 |
tgδ |
0.04 |
0.04 |
0.04 |
0.01 |
≤ |
||||||||
Δε/ε |
0.18 |
0.20 |
0.17 |
0.06 |
≤ |
||||||||||
注:1, 表中的性能參數(shù)指標(biāo)除體積密度及居里溫度外, 均為極化后十天的測量值. |
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