Environmentally assisted cracking of Eurofer 97 in water

Steven Van Dyck; Rik Wouter Bosch

doi:10.1016/j.fusengdes.2005.06.261

Environmentally assisted cracking of Eurofer 97 in water

Research output › peer-review

Abstract

Environmentally assisted cracking of Eurofer 97 in fusion reactor conditions is being considered in two environments, namely high temperature water and eutectic liquid Pb-Li alloy. For both stress corrosion cracking (SCC) as well as liquid metal embrittlement (LME), the yield stress of the material has been identified as a key parameter. Neutron irradiation is an important factor in determining the yield stress of materials in reactor components during their service. In this work, the influence of irradiation on the mechanical behaviour and stress corrosion cracking in water is reviewed. It is shown that proper water chemistry control is able to suppress the occurrence of SCC in irradiated materials. This result allows to formulate safe operating conditions for mildly irradiated components with respect to stress corrosion cracking.

Original language	English
Pages (from-to)	973-977
Number of pages	5
Journal	fusion engineering and design
Volume	75-79
Issue number	SUPPL.
DOIs	https://doi.org/10.1016/j.fusengdes.2005.06.261
State	Published - Nov 2005

ASJC Scopus subject areas

Civil and Structural Engineering
Nuclear Energy and Engineering
General Materials Science
Mechanical Engineering

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10.1016/j.fusengdes.2005.06.261License: Unspecified

Cite this

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title = "Environmentally assisted cracking of Eurofer 97 in water",

abstract = "Environmentally assisted cracking of Eurofer 97 in fusion reactor conditions is being considered in two environments, namely high temperature water and eutectic liquid Pb-Li alloy. For both stress corrosion cracking (SCC) as well as liquid metal embrittlement (LME), the yield stress of the material has been identified as a key parameter. Neutron irradiation is an important factor in determining the yield stress of materials in reactor components during their service. In this work, the influence of irradiation on the mechanical behaviour and stress corrosion cracking in water is reviewed. It is shown that proper water chemistry control is able to suppress the occurrence of SCC in irradiated materials. This result allows to formulate safe operating conditions for mildly irradiated components with respect to stress corrosion cracking.",

keywords = "Environmentally assisted cracking, Lead, Lithium",

author = "{Van Dyck}, Steven and Bosch, {Rik Wouter}",

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doi = "10.1016/j.fusengdes.2005.06.261",

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AU - Van Dyck, Steven

AU - Bosch, Rik Wouter

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AB - Environmentally assisted cracking of Eurofer 97 in fusion reactor conditions is being considered in two environments, namely high temperature water and eutectic liquid Pb-Li alloy. For both stress corrosion cracking (SCC) as well as liquid metal embrittlement (LME), the yield stress of the material has been identified as a key parameter. Neutron irradiation is an important factor in determining the yield stress of materials in reactor components during their service. In this work, the influence of irradiation on the mechanical behaviour and stress corrosion cracking in water is reviewed. It is shown that proper water chemistry control is able to suppress the occurrence of SCC in irradiated materials. This result allows to formulate safe operating conditions for mildly irradiated components with respect to stress corrosion cracking.

KW - Environmentally assisted cracking

KW - Lead

KW - Lithium

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