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同时发射和接收纵波和横波的压电复合材料换能器
引用本文:党长久,杨玉瑞,李明轩.同时发射和接收纵波和横波的压电复合材料换能器[J].应用声学,1998,17(6):9-13.
作者姓名:党长久  杨玉瑞  李明轩
作者单位:中国科学院声学研究所!北京,100080,中国科学院声学研究所!北京,100080,中国科学院声学研究所!北京,100080
摘    要:通过控制压电复合材料中压电相的分布形式,本文具有在百度模振动的1-3型压电复合材料和具有扭转模振动的拼接2-2型压电复合材料组合在一起,构成一种混俣模式压电材料,并测试了这种压电材料晶片的性能参数,使用这种晶片作的换能器可以根据使用者的要求,单独产生纵波或横波,也可同时产生这两种波。

关 键 词:超声换能器  混合模式  压电复合材料  纵波  横波

A piezocomposite transducer capable of simultaneously transmitting and receiving longitudinal and shear waves
Dang Changjiu,Yang Yurui and Li Mingxuan.A piezocomposite transducer capable of simultaneously transmitting and receiving longitudinal and shear waves[J].Applied Acoustics,1998,17(6):9-13.
Authors:Dang Changjiu  Yang Yurui and Li Mingxuan
Institution:Institute of Acoustics, the Chinese Academy of Sciences, Beijing 100080;Institute of Acoustics, the Chinese Academy of Sciences, Beijing 100080;Institute of Acoustics, the Chinese Academy of Sciences, Beijing 100080
Abstract:By controlling the distriution of the piezoelectric Phase in a piezcomposite,that a mixed-mode piezocomposite plate is designed and fabrecaled which is composed of a 1-3 composite with thickness-mode a pieced 2-2 Composite with torsional shear mode. The parameters of the mixed-mode composite plate are tested. According to users requirement, the transducer made from the mixed-mode composite may generate either longitudinal Wave or shear wave, or both waves simullaneously.
Keywords:Ultrasonic transducers  Mixed-mode transducer  PiezocomPosite  Longitudinal and shear waves
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