Conference proceeding
Piezoelectric ceramic disks with thickness-graded material properties
Proceedings of International Frequency Control Symposium, pp 769-777
1997
Abstract
A system of two-dimensional first-order equations for electroded piezoelectric crystal plates with general symmetry and thickness-graded material properties was recently deduced from the three-dimensional equations of linear piezoelectricity. These equations are much simplified for the two limiting cases of thickness-graded piezoelectric properties, i.e., the homogeneous plate and bimorph of piezoelectric ceramics. Closed form solutions are obtained from these reduced equations for the flexural and thickness-shear vibrations and static response of bimorph disks as well as for the extensional and thickness-stretch vibrations of homogeneous disks. Frequency spectra and modes are computed and examined. Resonance frequencies for both homogeneous and bimorph disks of PZT-857 are computed and measured. The comparison of the results shows that the agreement is close.
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Details
- Title
- Piezoelectric ceramic disks with thickness-graded material properties
- Creators
- P.C.Y Lee - Princeton UniversityJ.D Yu - Nanyang Technological UniversityX Li - Drexel UniversityW.-H Shih - Drexel UniversityIEEE
- Publication Details
- Proceedings of International Frequency Control Symposium, pp 769-777
- Conference
- International Frequency Control Symposium
- Publisher
- IEEE
- Number of pages
- 1
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:A1997BJ96F00110
- Other Identifier
- 991019182647304721
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- Web of Science research areas
- Engineering, Electrical & Electronic