Finite element analysis on 1-3 piezocomposite rings for ultrasonic transducer applications

被引：4
|
作者：
Li, HL [1 ]
Chong, CP
Chan, HLW
Liu, PCK
机构：
[1] Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China
[2] ASM Assembly Automat Ltd, Hong Kong, Hong Kong, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2004年 / 30卷 / 07期
关键词：
lead zirconate titnate; 1-3; composite; finite element method; ultrasonic transducers;
D O I：
10.1016/j.ceramint.2003.12.064
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, a commercial finite element code (FEM), ANSYS, is used to study the behaviors of 1-3 lead zirconate titante (PZT)/epoxy composite rings. The composite rings are fabricated by a dice-and-fill technique with an epoxy width of 80 mum. By using different number of cuts per direction (cpd), the composites with PZT volume fraction (phi) from 0.88 to 0.93 could be obtained. It is found that the lateral characteristics (radial modes) of a PZT ring can be reduced significantly by using a 1-3 composite ring. Three-dimensional finite element models are built to understand and study the vibration characteristics of the composite rings. Good agreements are found between experimental results and FEM simulations. Results from this study can be used to optimize the number of cpd of the composite rings for practical transducer applications. (C) 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1827 / 1830
页数：4
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