Improved piezoelectric ceramic/polymer composites for hydrophone applications

被引：17
|
作者：
Cui, C [1 ]
Baughman, RH [1 ]
Iqbal, Z [1 ]
Kazmar, TR [1 ]
Dahlstrom, DK [1 ]
机构：
[1] ALLIEDSIGNAL OCEAN SYST,SYLMAR,CA 91342
来源：
SYNTHETIC METALS | 1997年 / 85卷 / 1-3期
关键词：
applications; piezoelectricity; pressure sensor; dielectric constant; percolation;
D O I：
10.1016/S0379-6779(97)80287-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Composites of piezoelectric ceramic powders and organic polymers are described that provide highly desirable properties for sonar sensors: (1) high figures of merit, g(h)d(h) = 50(+/-5)x10(-13) m(2)/M and g(h)d(h)/tan delta = 3.3x10(-10) m(2)/N, (2) pressure-independent sensitivity up to high pressures (14 MPa, which is 2000psi), (3) thermal stability of the poled state for months at 100 degrees C; (4) high dielectric constants (60-70), (5) convenient melt processibility, and (6) robust mechanical properties.
引用
收藏
页码：1391 / 1392
页数：2
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