Role of Cavity Formation on Long-Term Stress Corrosion Cracking Initiation: A Review

Plant life extension from the initial licensed life to beyond 60 years is now being discussed for light water cooled nuclear powered reactors (LWRs). Reliable prediction for material degradation is extremely important to keep the reliability of LWRs during such long-term operation. One of the specif...

Full description

Saved in:
Bibliographic Details
Published inCorrosion (Houston, Tex.) Vol. 76; no. 2; pp. 142 - 175
Main Author Arioka, Koji
Format Journal Article
LanguageEnglish
Published Houston NACE International 01.02.2020
Subjects
Aluminum
Copper
Corrosion
Crack initiation
Cracking (corrosion)
Grain boundaries
Interdisciplinary aspects
Knowledge
Life extension
Light water reactors
Material properties
Metal fatigue
Nuclear reactors
Operating temperature
Researchers
Stress corrosion
Stress corrosion cracking
Studies
Online AccessGet full text

Cover

More Information
Summary:Plant life extension from the initial licensed life to beyond 60 years is now being discussed for light water cooled nuclear powered reactors (LWRs). Reliable prediction for material degradation is extremely important to keep the reliability of LWRs during such long-term operation. One of the specific perspectives for this prediction is to take into account the changes in material properties during long-term operation, such as cavity formation, even at the LWR operating temperature. The mechanism of cavity formation and the associated phenomena are closely intertwined with interdisciplinary technological and scientific knowledge. Therefore, historical key knowledge from both phenomenological and fundamental research studies related to cavity formation was first reviewed to understand the overall picture. Subsequently, current research results related to long-term stress corrosion cracking initiation in the LWR environment were summarized to explain what is known, what is still unknown, and what are the critical remaining subjects.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0010-9312
1938-159X
DOI:10.5006/3374