Finite element analysis and experimental studies on the thickness resonance of piezocomposite transducers

Ultrasonic Imaging

Volumn 18, Issue 1, 1996, Pages 1-9

  Qi, Wenkang ^a   Cao, Wenwu ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

Aspect ratio; composite transducers; effective medium theory; finite element analysis; piezocomposites

Indexed keywords

ASPECT RATIO; ELECTROMECHANICAL COUPLING; NATURAL FREQUENCIES; SEISMIC WAVES; TRANSDUCERS;

ACCURATE PREDICTION; COMPOSITE TRANSDUCERS; EFFECTIVE MEDIUM THEORIES; ELECTROMECHANICAL COUPLING COEFFICIENTS; PIEZOCOMPOSITE TRANSDUCERS; PIEZOCOMPOSITES; RESONANCE FREQUENCIES; THICKNESS RESONANCES;

FINITE ELEMENT METHOD;

ARTICLE; DIAGNOSTIC ACCURACY; ECHOGRAPHY; SIGNAL TRANSDUCTION; SOUND TRANSMISSION; THICKNESS; ULTRASOUND TRANSDUCER;

EID: 0029950896     PISSN: 01617346     EISSN: None     Source Type: Journal    
DOI: 10.1006/uimg.1996.0001     Document Type: Article

References (13)

1. Newnham, R. E., Bowen, L. J., Klicker, K. A., and Cross, L. E., Composite piezoelectric transducer, Materials in Engineering 2, 93-106 (1980).
2. Smith, W. A., The Role of Piezocomposites in Ultrasonic Transducers, in 1989 IEEE Ultrasonic Symposium Proceedings, pp 755-766.
3. Hayward, G.,and Hossack, J. A., Unidimensional Modeling of 1-3 Composite Transducer, in 1989 Ultrasonic International Conference Proceedings, pp. 531-536.
4. Smith, W. A , Modeling 1-3 composite piezoelectric: thickness-mode oscillations, IEEE Trans. Ultrason. Ferroelect. Freq. Contr. 38, 40-47 (1991).
5. Auld, B. A., Kunkel, H. A., Shui, Y. A.,and Wang, Y., Dynamic Behavior of Periodic Piezoelectric Composites, in 1983 IEEE Ultrasonics Symposium, pp. 554-558.
6. Cao, W., Zhang, Q.,and Cross, L. E., Theoretical study on the static performance of piezoelectric ceramic-polymer composites with 2-2 connectivity, IEEE Trans Ultrason. Ferroelec. Freq. Contr. 40, 103-109 (1993).
7. Cao, W., Zhang, Q.,and Cross, L. E., Theoretical study on the static performance of piezoelectric ceramic-polymer composites with 1-3 connectivity, J. Appl. Phys. 72, 5814-5821 (1992).
8. Zhang, Q. M., Cao, W., Zhao, J.,and Cross, L. E., Piezoelectric performance of piezoceramic-polymer composites with 2-2 connectivity - a combined theoretical and experimental study, IEEE Trans. Ultrason. Ferroelec. Freq. Contr. 41, 556-564 (1994).
9. Hossack, J. A.,and Hayward, G., Finite-element analysis of 1-3 composite transducers, IEEE Trans. Ultrason ferroelec. Freq. Contr. 38, 618-629 (1991).
10. Hladky-Hennion, A.,and Decarpigny, J., Finite element modeling of active periodic structures: application to 1-3 piezocomposites, J. Acoust. Soc. Am. 94, 621-635 (1993).
11. Hossack, J. A., Auld, B. A.,and Batha, H. D., Techniques for Suppressing Spurious Resonant Modes in 1:3 Composite Transducers, in 1991 IEEE Ultrasonics Symposium, pp 651-655.
12. Wallace, W. C., Thermoelastic theory of stressed crystals and high-order elastic constants, Solid State Phys. 25, 301-405 (1970).
13. Lerch, R., Simulation of piezoelectric devices by two- and three-dimensional finite elements, IEEE Trans. Ultrason. Ferroelec. Freq. Contr. 37, 233-246 (1990).