压电相体积分数对1-3型压电复合材料的性能影响  

Effect of Volume Fraction of Piezoelectric Phase on Properties of 1-3 Piezoelectric Composites

作　　者：赵旭 张永丽 曾涛[2] 白建峰 ZHAO Xu;ZHANG Yongli;ZENG Tao;BAI Jianfeng(WEEE Research Centre,Shanghai Polytechnic University,Shanghai 201209,China;Shanghai Key Laboratory of Engineering Materials Application and Evaluation,Shanghai Research Institute of Materials,Shanghai 200437,China)

机构地区：[1]上海第二工业大学电子废弃物研究中心,上海201209 [2]上海材料研究所上海市工程材料应用与评价重点实验室,上海200437

出　　处：《上海第二工业大学学报》2022年第3期240-246,共7页Journal of Shanghai Polytechnic University

基　　金：上海市国际合作项目(20121301)资助。

摘　　要：采用有限元软件仿真研究了不同的压电相体积分数对1-3型压电复合材料性能的影响,并进行了实验验证。结果表明:当压电相体积分数按照47%、52%、68%、74%、100%变化时,串联谐振频率和并联谐振频率均随压电相体积分数增大而增大;机电耦合系数在压电相体积分数为52%时获得最优值0.698;复合材料的频率常数、密度、纵波声速和声阻抗均随着压电相体积分数的增大而增大。有限元仿真与实验结果较为一致。该材料有望用于制备高性能的无损检测用超声换能器。The effects of different piezoelectric phase volume fractions on the properties of 1-3 type piezoelectric composites were studied by finite element software simulation,and the experimental verification was carried out.The results show that when the volume fraction of piezoelectric phase changes according to 47%,52%,68%,74%and 100%,the series resonance frequency and parallel resonance frequency both increase with the increase of piezoelectric phase volume fraction.The electromechanical coupling coefficient obtaines the optimal value of 0.698 when the piezoelectric phase volume fraction is 52%.The frequency constant,density,longitudinal sound velocity and acoustic impedance of the composites all increase with the increase of the piezoelectric phase volume fraction.The finite element simulation is in good agreement with the experimental results.The material is expected to be used to prepare highperformance ultrasonic transducers for non-destructive testing.

关 键 词：压电相体积分数 1-3型压电复合材料 有限元仿真 切割填充法 

分 类 号：TM282[一般工业技术—材料科学与工程]