Complete solutions of the transient behavior of a transmitting thickness‐mode piezoelectric transducer and their physical interpretations
作者:
H. L. Zhang,
M. X. Li,
C. F. Ying,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1983)
卷期:
Volume 74,
issue 4
页码: 1105-1114
ISSN:0001-4966
年代: 1983
DOI:10.1121/1.390034
出版商: Acoustical Society of America
关键词: transients;ultrasonic waves;acoustoelectric transducers;piezoelectric materials;analytical solution
数据来源: AIP
摘要:
Full analytic solutions of the internal stress field and the radiated ultrasonic wave are obtained for a thickness‐mode piezoelectric transducer excited by a pulse voltage source, having or not having an internal resistance. Two mechanisms of transduction as well as the effect of the internal resistance on these are drawn from the complete solutions. The negative capacitance in the Mason equivalent circuit is interpreted in terms of the identified mechanism of the acoustoelectrical regenerative vibration.
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