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[期刊论文]

Design of low frequency piezoelectricity transducer for excitation of pure A0 Lamb wave and its application in nondestructive testing

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作者:

Jiao, Jingpin (Jiao, Jingpin.) (学者:焦敬品) | Zhang, Yongqiang (Zhang, Yongqiang.) | Sun, Junjun (Sun, Junjun.) | 展开

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EI Scopus PKU CSCD

摘要:

To excite the single Lamb wave mode for non-destructive detection in plates, a low frequency piezoelectric transducer for exciting single-mode Lamb wave is designed. Based on theoretical model and finite element simulation model, the frequency response of piezoelectricity transducer is investigated. The influence of the parameters of backing mass and interface, such as thickness, density and elastic modulus are foused. Meanwhile, the performance testing of piezoelectric transducers with different structural parameters are conducted. The influences of parameters of transducer to the frequency characteristics and excitation waveform are investigated. As a result, a piezoelectric transducer is designed to excite low-frequency A0 mode Lamb wave in plates. The designed piezoelectric transducers are constituted into array for non-destructive testing in plates.

关键词:

Nondestructive examination Ultrasonic waves Crystallography Piezoelectricity Transducers Piezoelectric transducers Frequency response Indium plating Piezoelectric devices Plates (structural components) Surface waves

作者机构:

  • [ 1 ] [Jiao, Jingpin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Zhang, Yongqiang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Zhang, Yongqiang]Beijing Research Institute of Telemetry, Beijing 100076, China
  • [ 4 ] [Sun, Junjun]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 5 ] [He, Cunfu]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
  • [ 6 ] [Wu, Bin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China

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来源 :

Journal of Mechanical Engineering

ISSN: 0577-6686

年份: 2012

期: 22

卷: 48

页码: 7-13

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 6

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