Prediction of the dependence of KJC(T) on neutron fluence for RPV steels on the basis of the Unified Curve concept

A method is proposed that allows the prediction of the transformation of fracture toughness in the brittle-ductile transition temperature region as a function of neutron fluence for RPV steels. The method is based on the Unified Curve concept and a probabilistic local approach model proposed earlier...

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Published inThe International journal of pressure vessels and piping Vol. 82; no. 9; pp. 679 - 686
Main Authors MARGOLIN, B. Z, GULENKO, A. G, NIKOLAEV, V. A, RYADKOV, L. N
Format Journal Article
LanguageEnglish
Published Oxford Elsevier 01.09.2005
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Summary:A method is proposed that allows the prediction of the transformation of fracture toughness in the brittle-ductile transition temperature region as a function of neutron fluence for RPV steels. The method is based on the Unified Curve concept and a probabilistic local approach model proposed earlier by the authors as well as on physical analysis of the effect of impurities and carbide size on the local strength of a material. The results calculated with the proposed method are compared with available experimental data.
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ISSN:0308-0161
1879-3541
DOI:10.1016/j.ijpvp.2005.03.008