Published April 1991 | Version v1
Report

Assessment of corrosion and fatigue damage to light water reactor metal containments

  • 1. Idaho National Engineering Lab., Idaho Falls (United States)

Description

This paper presents a generic procedure for estimating aging damage, evaluating structural integrity, and identifying mitigation activities for safe operation of boiling water reactor (BWR) Mark I metal containments and ice-condenser type pressurized water reactor (PWR) cylindrical metal containments. The mechanisms of concern that can cause aging damage to these two types of containments are corrosion and fatigue. Assessment of fatigue damage to bellows is also described. Assessment of corrosion and fatigue damage described in this paper include: containment design features that are relevant to aging assessment, several corrosion and fatigue mechanisms, inspection of corrosion and fatigue damage, and mitigation of damage caused by these mechanisms. In addition, synergistic interaction between corrosion and fatigue is considered. Possible actions for mitigating aging include enhanced inspection methods, maintenance activities based on operating experience, and supplementary surveillance programs. Field experience related to aging of metal containments is reviewed. Finally, conclusions and recommendations are presented

Additional details

Publishing Information

Imprint Title
Eighteenth water reactor safety information meeting. Volume 3, Pressure vessel integrity; Piping and NDE; Aging and components: Proceedings
Imprint Pagination
574 p.
Journal Page Range
p. 271-296.
Report number
NUREG/CP--0114-Vol.3

Conference

Title
18. water reactor safety information meeting.
Dates
22-24 Oct 1990.
Place
Rockville, MD (United States).

Optional Information

Contract/Grant/Project number
Contract AC07-76ID01570
Secondary number(s)
CONF-9010185--Vol.3.