科技报告详细信息
Proactive Management of Materials Degradation - A Review of Principles and Programs
Bond, Leonard J. ; Doctor, Steven R. ; Taylor, Theodore T.
关键词: MANAGEMENT;    WATER COOLED REACTORS;    REACTOR MATERIALS;    INFORMATION NEEDS;    MATERIALS TESTING Materials Degradation;    Nuclear Power Plants;   
DOI  :  10.2172/939352
RP-ID  :  PNNL-17779
PID  :  OSTI ID: 939352
Others  :  Other: 401001060
Others  :  TRN: US0806825
Subject:84.1|72.5|53.6
美国|英语
来源: SciTech Connect
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【 摘 要 】
The U.S. Nuclear Regulatory Commission (NRC) has undertaken a program to lay the technical foundation for defining proactive actions so that future degradation of materials in light water reactors (LWRs) is limited and, thereby, does not diminish either the integrity of important LWR components or the safety of operating plants. This technical letter report was prepared by staff at Pacific Northwest National Laboratory in support of the NRC Proactive Management of Materials Degradation (PMMD) program and relies heavily on work that was completed by Dr. Joseph Muscara and documented in NUREG/CR-6923. This report concisely explains the basic principles of PMMD and its relationship to prognostics, provides a review of programs related to PMMD being conducted worldwide, and provides an assessment of the technical gaps in PMMD and prognostics that need to be addressed. This technical letter report is timely because the majority of the U.S. reactor fleet is applying for license renewal, and many plants are also applying for increases in power rating. Both of these changes could increase the likelihood of materials degradation and underline, therefore, the interest in proactive management in the future.
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