The Pacific Northwest National Laboratory (PNNL) is conducting studies for the U.S. Nuclear Regulatory Commission (NRC) to assess the capability, effectiveness, and reliability of ultrasonic testing (UT) as a replacement method for radiographic testing (RT) for volumetric examination of nuclear power plant (NPP) components. This particular study focused on evaluating the use of phased-array (PA) UT on carbon steel plate welds. Welding fabrication flaws included a combination of planar and volumetric types; for example, incomplete fusion, lack of penetration, cracks, porosity, and slag inclusions. The examinations were conducted using PAUT techniques applied primarily for detection and flaw type characterization. This paper will discuss the results of using PAUT in lieu of RT for detection and classification of fabrication flaws in carbon steel plate welds.
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ASME 2014 Pressure Vessels and Piping Conference
July 20–24, 2014
Anaheim, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-4602-5
PROCEEDINGS PAPER
Using Phased Array Ultrasonic Testing in Lieu of Radiography for Acceptance of Carbon Steel Plate Welds
Traci L. Moran
,
Traci L. Moran
Pacific Northwest National Laboratory, Richland, WA
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Michael T. Anderson
,
Michael T. Anderson
Pacific Northwest National Laboratory, Richland, WA
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Anthony D. Cinson
,
Anthony D. Cinson
Pacific Northwest National Laboratory, Richland, WA
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Susan L. Crawford
,
Susan L. Crawford
Pacific Northwest National Laboratory, Richland, WA
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Matthew S. Prowant
,
Matthew S. Prowant
Pacific Northwest National Laboratory, Richland, WA
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Carol A. Nove
Carol A. Nove
U.S. Nuclear Regulatory Commission, Rockville, MD
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Traci L. Moran
Pacific Northwest National Laboratory, Richland, WA
Michael T. Anderson
Pacific Northwest National Laboratory, Richland, WA
Anthony D. Cinson
Pacific Northwest National Laboratory, Richland, WA
Susan L. Crawford
Pacific Northwest National Laboratory, Richland, WA
Matthew S. Prowant
Pacific Northwest National Laboratory, Richland, WA
Carol A. Nove
U.S. Nuclear Regulatory Commission, Rockville, MD
Paper No:
PVP2014-28832, V005T10A007; 9 pages
Published Online:
November 18, 2014
Citation
Moran, TL, Anderson, MT, Cinson, AD, Crawford, SL, Prowant, MS, & Nove, CA. "Using Phased Array Ultrasonic Testing in Lieu of Radiography for Acceptance of Carbon Steel Plate Welds." Proceedings of the ASME 2014 Pressure Vessels and Piping Conference. Volume 5: High-Pressure Technology; ASME NDE Division; 22nd Scavuzzo Student Paper Symposium and Competition. Anaheim, California, USA. July 20–24, 2014. V005T10A007. ASME. https://doi.org/10.1115/PVP2014-28832
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