Health monitoring of piping weld with guided waves

Younho Cho, Chong Myoung Lee, Joseph Lawrence Rose, Ikkeun Park

Research output: Contribution to journalConference articlepeer-review


In this study, a new technology based on the ultrasonic guided wave to inspect the weld part is presented. The characteristic of a guided wave to travel a long distance over a welded part provides an efficient inspection. This guided wave technique overcomes a tedious scanning procedure using a conventional bulk shear wave angle beam technique. A proper mode and frequency tuning process with knowledge of dispersion curves and wave structure profiles allows us to propose a promising alternative which makes it possible to alleviate such limitations encountered with the conventional technique. Some sample experimental data are also provided with a detailed guideline showing the utility of guided waves when using a proper mode selection for the weldment.

Original languageEnglish (US)
Pages (from-to)19-23
Number of pages5
JournalAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
StatePublished - Nov 17 2004
Event2004 ASME/JSME Pressure Vessels and Piping Conference - San Diego, CA, United States
Duration: Jul 25 2004Jul 29 2004

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering


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