Development of guided wave ultrasonic techniques for detection of corrosion under insulation in metal pipe

Alan V. Bray, Christian J. Corley, Robert B. Fischer, Joseph Lawrence Rose, Michael J. Quarry

Research output: Contribution to conferencePaper

Abstract

A unique capability has been developed in the application of guided wave (GW) ultrasonic techniques for nondestructive evaluation (NDE) of insulated pipe. Many guided wave modes are established in pipe walls when excited by ultrasonic waves. Some of these modes leak energy into the liquid filling the pipe or into the insulation covering the pipe, while others stay largely in the pipe wall and interact with flaws, including corrosion-induced defects. The success of the guided wave method as a viable NDE method for this application is critically dependent upon the ability to preferentially select the modes most sensitive to defects and exploit them for the information they carry about the existence, location, and geometry of corrosion-induced flaws. The feasibility of the guided wave approach for inspection of insulated pipe has been successfully demonstrated, and current work is aimed toward developing methods and systems capable of field inspection.

Original languageEnglish (US)
StatePublished - Dec 1 1998
EventProceedings of the 1998 ASME Energy Sources Technology Conference - Houston, TX, USA
Duration: Feb 2 1998Feb 4 1998

Other

OtherProceedings of the 1998 ASME Energy Sources Technology Conference
CityHouston, TX, USA
Period2/2/982/4/98

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geology

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