{"title":"PZT/环氧树脂1-3复合环的共振模式分析","authors":"C. Chong, H. Chan, M. Chan, P. Liu","doi":"10.1109/ISAF.2002.1195927","DOIUrl":null,"url":null,"abstract":"PZT/epoxy 1-3 composite rings with PZT volume fractions /spl Phi/ ranging from 0.58 to 0.93 are fabricated. They have sufficiently small epoxy width (/spl sim/77 81 /spl mu/m) and can be treated as effective homogeneous media. The mode coupling theory and a finite element model (FEM) are applied to predict the thickness (f/sub T/), lateral (f/sub L/), radial (f/sub R/) and wall-thickness (f/sub W/) resonances of the composite rings. As the frequencies and electromechanical coupling coefficients play a significant role in the performance of composite transducer, it is important to know how these parameters change with /spl Phi/. Good agreements are found between the experimental results and the FEM simulations. It is obvious that f/sub R/ and f/sub W/ vibrations greatly deteriorate at low value of /spl Phi/. To avoid unwanted modes from coupling to f/sub T/, the thickness and configuration of the PZT elements in the rings should be optimized.","PeriodicalId":415725,"journal":{"name":"Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Analysis of the resonance modes of PZT/epoxy 1-3 composite rings\",\"authors\":\"C. Chong, H. Chan, M. Chan, P. Liu\",\"doi\":\"10.1109/ISAF.2002.1195927\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"PZT/epoxy 1-3 composite rings with PZT volume fractions /spl Phi/ ranging from 0.58 to 0.93 are fabricated. They have sufficiently small epoxy width (/spl sim/77 81 /spl mu/m) and can be treated as effective homogeneous media. The mode coupling theory and a finite element model (FEM) are applied to predict the thickness (f/sub T/), lateral (f/sub L/), radial (f/sub R/) and wall-thickness (f/sub W/) resonances of the composite rings. As the frequencies and electromechanical coupling coefficients play a significant role in the performance of composite transducer, it is important to know how these parameters change with /spl Phi/. Good agreements are found between the experimental results and the FEM simulations. It is obvious that f/sub R/ and f/sub W/ vibrations greatly deteriorate at low value of /spl Phi/. To avoid unwanted modes from coupling to f/sub T/, the thickness and configuration of the PZT elements in the rings should be optimized.\",\"PeriodicalId\":415725,\"journal\":{\"name\":\"Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-05-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISAF.2002.1195927\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAF.2002.1195927","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of the resonance modes of PZT/epoxy 1-3 composite rings
PZT/epoxy 1-3 composite rings with PZT volume fractions /spl Phi/ ranging from 0.58 to 0.93 are fabricated. They have sufficiently small epoxy width (/spl sim/77 81 /spl mu/m) and can be treated as effective homogeneous media. The mode coupling theory and a finite element model (FEM) are applied to predict the thickness (f/sub T/), lateral (f/sub L/), radial (f/sub R/) and wall-thickness (f/sub W/) resonances of the composite rings. As the frequencies and electromechanical coupling coefficients play a significant role in the performance of composite transducer, it is important to know how these parameters change with /spl Phi/. Good agreements are found between the experimental results and the FEM simulations. It is obvious that f/sub R/ and f/sub W/ vibrations greatly deteriorate at low value of /spl Phi/. To avoid unwanted modes from coupling to f/sub T/, the thickness and configuration of the PZT elements in the rings should be optimized.
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