Research perspectives on the evaluation of steam generator tube integrity.

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Industry effects have been largely successful in managing degradation of steam generator tubes due to wastage, pitting, and denting, but fretting, SCC and intergranular attack have proved more difficult to manage. Although steam generator replacements are proceeding there is substantial industry interest in operating with degraded steam generators, and significant numbers of plants will continue to do so. In most cases degradation of steam generator tubing by stress corrosion cracking is still managed by plug or repair on detection, because current NDE techniques for characterization of flaws are not accurate enough to permit continued operation. This paper reviews some of ... continued below

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Muscara, J.; Diercks, D. R.; Majumdar, S.; Kupperman, D. S.; Bakhtiari, S. & Shack, W. J. February 22, 2001.

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Industry effects have been largely successful in managing degradation of steam generator tubes due to wastage, pitting, and denting, but fretting, SCC and intergranular attack have proved more difficult to manage. Although steam generator replacements are proceeding there is substantial industry interest in operating with degraded steam generators, and significant numbers of plants will continue to do so. In most cases degradation of steam generator tubing by stress corrosion cracking is still managed by plug or repair on detection, because current NDE techniques for characterization of flaws are not accurate enough to permit continued operation. This paper reviews some of the historical background that underlies current steam generator degradation management strategies and outlines some of the additional research that must be done to provide more effective management of degradation in current generators and provide greater assurance of satisfactory performance in replacement steam generators.

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  • USNRC Water Reactor Safety Meeting, Bethesda, MD (US), 10/24/2001--10/25/2001

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  • Report No.: ANL/ET/CP-104060
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 797877
  • Archival Resource Key: ark:/67531/metadc736187

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  • February 22, 2001

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 7:06 p.m.

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Muscara, J.; Diercks, D. R.; Majumdar, S.; Kupperman, D. S.; Bakhtiari, S. & Shack, W. J. Research perspectives on the evaluation of steam generator tube integrity., article, February 22, 2001; Illinois. (digital.library.unt.edu/ark:/67531/metadc736187/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.