Radiation-induced degradation of stainless steel light water reactor internals

In order to provide a scientific basis for proposed life extension of current light water reactors, the radiation-induced degradation of stainless steel reactor internals will be discussed. A brief review of the basic radiation damage effects in stainless steels at LWR relevant conditions will be pr...

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Bibliographic Details
Published in:Materials science & engineering. R, Reports : a review journal Reports : a review journal, 2012-07, Vol.73 (7-8), p.67-83
Main Authors: Kenik, Edward A., Busby, Jeremy T.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Creep
Cross-disciplinary physics: materials science
rheology
Defects and impurities in crystals
microstructure
Deformation, plasticity, and creep
Embrittlement
Exact sciences and technology
Irradiation-induced stress corrosion cracking
Light water reactor
Materials science
Physical radiation effects, radiation damage
Physics
Point defect clustering
Point defects
Point defects (vacancies, interstitials, color centers, etc.) and defect clusters
Radiation damage
Radiation hardening
Radiation treatments
Radiation-induced degradation
Radiation-induced precipitation
Radiation-induced segregation
Structure of solids and liquids
crystallography
Swelling
Transmutation effects
Treatment of materials and its effects on microstructure and properties
Voids
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Summary:In order to provide a scientific basis for proposed life extension of current light water reactors, the radiation-induced degradation of stainless steel reactor internals will be discussed. A brief review of the basic radiation damage effects in stainless steels at LWR relevant conditions will be presented. It will be discussed how these basic effects result in the key degradation modes that have been identified by light water reactor experience to date, as well as the possibility for more severe degradation or new forms of degradation under extended service conditions. The forms of degradation that will be discussed include radiation hardening, embrittlement, dimensional stability (e.g., creep and swelling), radiation-induced segregation and precipitation, transmutation effects and irradiation-induced stress corrosion cracking.
ISSN:0927-796X
1879-212X
DOI:10.1016/j.mser.2012.05.002