Age-Related Degradation of Nuclear Power Plant Structures and Components

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This paper summarizes and highlights the results of the initial phase of a research project on the assessment of aged and degraded structures and components important to the safe operation of nuclear power plants (NPPs). A review of age-related degradation of structures and passive components at NPPs was performed. Instances of age-related degradation have been collected and reviewed. Data were collected from plant generated documents such as Licensing Event Reports, NRC generic communications, NUREGs and industry reports. Applicable cases of degradation occurrences were reviewed and then entered into a computerized database. The results obtained from the review of degradation occurrences ... continued below

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13 p.

Creation Information

Braverman, J.; Chang, T.-Y.; Chokshi, N.; Hofmayer, C.; Morante, R. & Shteyngart, S. March 29, 1999.

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Description

This paper summarizes and highlights the results of the initial phase of a research project on the assessment of aged and degraded structures and components important to the safe operation of nuclear power plants (NPPs). A review of age-related degradation of structures and passive components at NPPs was performed. Instances of age-related degradation have been collected and reviewed. Data were collected from plant generated documents such as Licensing Event Reports, NRC generic communications, NUREGs and industry reports. Applicable cases of degradation occurrences were reviewed and then entered into a computerized database. The results obtained from the review of degradation occurrences are summarized and discussed. Various trending analyses were performed to identify which structures and components are most affected, whether degradation occurrences are worsening, and what was the most common aging mechanisms. The paper also discusses potential aging issues and degradation-susceptible structures and passive components which would have the greatest impact on plant risk.

Physical Description

13 p.

Notes

INIS; OSTI as DE00008089

Medium: P; Size: 13 pages

Source

  • 15th International Conference on Structural Mechanics in Reactor Technology, Seoul (KR), 08/15/1999--08/20/1999

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  • Report No.: BNL-NUREG-66449
  • Report No.: B& R Code 40-10-01-060
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 8089
  • Archival Resource Key: ark:/67531/metadc735052

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • March 29, 1999

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

Description Last Updated

  • Sept. 25, 2017, 5:16 p.m.

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Braverman, J.; Chang, T.-Y.; Chokshi, N.; Hofmayer, C.; Morante, R. & Shteyngart, S. Age-Related Degradation of Nuclear Power Plant Structures and Components, article, March 29, 1999; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc735052/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.