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作者:

Li, Longtao (Li, Longtao.) | He, Cunfu (He, Cunfu.) (学者:何存富) | Wu, Bin (Wu, Bin.) | Li, Ying (Li, Ying.) | Wang, Xiuyan (Wang, Xiuyan.)

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摘要:

Ultrasonic guided waves are used for the rapid testing of a steel pipe (O.D 70 mm, I.D 63 mm, 2544 mm long). The non-axisymmetric transducer ring (arc) is put on one end of the pipe to excite and receive the guided wave in the pipe. An artificial hole of 1 mm diameter can not be found by conventional axisymmetric end loading transducer. However, the non-axisymmetric transducer ring (arc), compared with the axisymmetric transducer ring, is very sensitive to the artificial hole when The middle point (MP) of the transducer arcs coincided with the center of the artificial hole on the cross section of the pipe. The results show that the non- axisymmetric end loading technology can locate the crack or defect on the pipe not only in the axial direction but also in the circumferential direction. Copyright © 2005 by ASME.

关键词:

Characterization Cracks Cylinders (shapes) Guided electromagnetic wave propagation Steel pipe Transducers Ultrasonic waves Waveguides

作者机构:

  • [ 1 ] [Li, Longtao]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100022
  • [ 2 ] [He, Cunfu]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100022
  • [ 3 ] [Wu, Bin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing
  • [ 4 ] [Li, Ying]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing
  • [ 5 ] [Wang, Xiuyan]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing

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ISSN: 0277-027X

年份: 2005

卷: 5

页码: 139-143

语种: 英文

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SCOPUS被引频次: 1

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