SANS experiments to study irradiation embrittlement in reactor pressure vessel steels
This work aims to understand the formation of solute clusters and precipitate evolution in reactor pressure vessel steel as a function of irradiation fluence and temperature. We propose to investigate the evolution of precipitates using small angle neutron scattering (SANS) on a series of irradiated aged samples. The information obtained from SANS, would be used to understand the embrittlement mechanism in reactor pressure vessel steels and to study the correlation existing between the NDE signals (electric, micro-magnetic and ultrasonic) and material damage (embrittlement) using a range of characterisation methods on materials exhibiting different radiation damage levels. The tool developed as a part of this project will play a critical role in evaluating the residual lifetime of in-service Nuclear Power Plant (NPP) components.
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MATHEW Jino; G. Bonny; BRYNK Tomasz; Yadunandan Das; FITZPATRICK Michael; LESCUR Amke and STEINKE Nina-Juliane. (2021). SANS experiments to study irradiation embrittlement in reactor pressure vessel steels. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-04-196
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