Effect of electrode finger width on the strain and stress distributions in macro fiber composites
发布时间：2022-06-09
点击次数：
影响因子：0.684
DOI码：10.3233/JAE-140094
所属单位：中南大学
发表刊物：International Journal of Applied Electromagnetics and Mechanics
关键字：Finite element analysis, electrode finger width, polarization state, strain, stress
摘要：Finite element analysis was performed on the representative volume element of piezoelectric elements with interdigitated electrodes (IDEs). The variations of piezoelectric material properties during poling were considered in the analysis. The numerical results of models with different piezoelectric polarization states were compared with the result given by the so called uniform field model. Though different optimum electrode finger widths were obtained for different models, narrower electrode finger could enhance the actuation performance. The models indicated the stress concentrated at the edges of the finger electrode. Wider electrode finger would be beneficial for reducing the risk of material failure. The model with two different polarization states could be used to predict the strain and stress of MFCs with wider electrode finger to minimize the computational complexity. The modeling approach developed in this study allowed for a better understanding on the overall effects in piezoelectric materials with IDE structures.
合写作者：H. Chen, C. Jiang
第一作者：X. Lin
论文类型：期刊论文
学科门类：工学
一级学科：材料科学与工程
文献类型：J
卷号：46
期号：4
页面范围：859-866
是否译文：否
发表时间：2014-10-01
收录刊物：SCI