Prediction of Ductile Fracture Toughness for Neutron-Irradiated Reactor Pressure-Vessel Steels. Part 1 |
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Authors: | Margolin B Z Kostylev V I |
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Affiliation: | (1) Central Research Institute for Pressure-Vessel Materials "Prometei,", St. Petersburg, Russia |
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Abstract: | We discuss the theoretical background of modeling the influence of neutron irradiation on the upper-shelf level of the
relation. The modeling involves a local criterion and a model for ductile fracture proposed by the authors earlier. A physical interpretation of the influence of irradiation on the mechanisms that control ductile fracture is presented. The parameters of the model that are sensitive to neutron irradiation are determined. |
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Keywords: | fracture toughness ductile fracture modeling neutron irradiation |
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