Prediction of Ductile Fracture Toughness for Neutron-Irradiated Reactor Pressure-Vessel Steels. Part 1期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Prediction of Ductile Fracture Toughness for Neutron-Irradiated Reactor Pressure-Vessel Steels. Part 1

Authors:	Margolin B Z Kostylev V I

Affiliation:	(1) Central Research Institute for Pressure-Vessel Materials "Prometei,", St. Petersburg, Russia

Abstract:	We discuss the theoretical background of modeling the influence of neutron irradiation on the upper-shelf level of the $K_{{\text{I}}c} \left( T \right)$ 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.

Keywords:	fracture toughness ductile fracture modeling neutron irradiation
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