NDT.net - October 1999, Vol. 4 No. 10

US12 current 'state of the art' piping examination technology

Stan M. Walker, Jeff L. Landrum, Doug E. MacDonald
EPRI NDE Center, 1300 Harris Blvd., Charlotte, North Carolina 28262, USA
Corresponding Author Contact:
Email: swalker@epri.com

First International Conference on NDE in Relation to
Structural Integrity for Nuclear and Pressurised Components,
20 - 22 October 1998, Amsterdam, Netherlands



Advantages and Limitations of EMATS

Evaluation of EMAT SH-Waves on cast stainless steel piping

Evaluation of EMAT SH-Waves on austenitic pipe specimens

Phased array Examination of seam-welded high energy piping



  1. Salzburger, H.-J., G. Hübschen, M. Kroning, "Electromagnetic Ultrasonic (EMUS) Probes: State of the Art and Developments for Applications in Nuclear Power Plants." Proceedings of the 12th International Conference on NDE in the Nuclear and Pressure Vessel Industries, Philadelphia, PA (October 1993). Materials Park: ASM International, 1994, pp. 137-142.
  2. MacDonald, D. E., "Ultrasonic Examination of the Westinghouse Owners Group Pipe Specimens using Horizontally Polarized Shear Waves." Letter Report, EPRI NDE Center. December 1995.
  3. MacDonald, D. E. et al., "Demonstrating Feasibility of Electromagnetic Acoustic Transducers (EMATs) for Austenitic Weld Examination." EPRI Report MI-108240, EPRI NDE Center. December 1997.
  4. Landrum, J. et al., "Evaluation of Electromagnetic Acoustic Transducers for Examination of Austenitic Piping Welds." Proceedings of the EPRI Phased Array Seminar, Portland ME. September 8-9, 1998.
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