There is growing interest in life extensions to enable longer term operation (LTO) for both existing nuclear power plants (NPPs) and proposed new NPPs. In order to justify an initial license extension for the 40–60 yr period, new nondestructive examination (NDE) approaches have been developed and deployed by NPP operators in their aging management programs. However, to achieve the goals of even longer term operation, and specifically for the United States in looking at methodologies to support subsequent license renewal periods (i.e., 60–80 yr and beyond), it is necessary to understand the capabilities of current NDE methods to detect, monitor, and trend degradation and hence enable timely implementation of appropriate mitigation and corrective actions. This paper discusses insights from past experience, the state-of-the-art, and current activities in the move toward providing a capacity for proactive management of materials degradation to support NPP LTO.
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February 2012
Technical Briefs
Moving Beyond Nondestructive Examination to Proactive Management of Materials Degradation
Leonard J. Bond
e-mail: leonard.bond@pnnl.gov
Leonard J. Bond
Laboratory Fellow, Applied Physics Group/National Security Directorate, Pacific Northwest National Laboratory
, Richland, WA 99352
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Leonard J. Bond
Laboratory Fellow, Applied Physics Group/National Security Directorate, Pacific Northwest National Laboratory
, Richland, WA 99352e-mail: leonard.bond@pnnl.gov
J. Pressure Vessel Technol. Feb 2012, 134(1): 014501 (8 pages)
Published Online: December 20, 2011
Article history
Received:
March 2, 2011
Revised:
September 1, 2011
Online:
December 20, 2011
Published:
December 20, 2011
Citation
Bond, L. J. (December 20, 2011). "Moving Beyond Nondestructive Examination to Proactive Management of Materials Degradation." ASME. J. Pressure Vessel Technol. February 2012; 134(1): 014501. https://doi.org/10.1115/1.4005056
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