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Abstract

This article focuses on environmentally assisted cracking (EAC) of structural materials in the boiling water reactor (BWR), reactor pressure vessel, core internals, and ancillary piping. It discusses the effects of water chemistry on materials degradation, mitigation approaches, and their impact on aging management programs. The article reviews the effects of materials, environment, and stress factors on the cracking susceptibility of ferritic and austenitic structural alloys in BWRs. It describes the methods, such as data-based life-prediction approaches and mechanisms-informed life-prediction approaches for predicting the cracking kinetics in BWRs. The article presents several EAC mitigation techniques for BWR components, namely material solutions, stress solutions, and environmental solutions.

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F. Peter Ford, Barry M. Gordon, Ronald M. Horn, Corrosion in Boiling Water Reactors, Corrosion: Environments and Industries, Vol 13C, ASM Handbook, Edited By Stephen D. Cramer, Bernard S. Covino, Jr., ASM International, 2006, p 341–361, https://doi.org/10.31399/asm.hb.v13c.a0004145

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