Embrittlement of low copper VVER 440 surveillance samples neutron-irradiated to high fluences
Source abstract
Abstract
Abstract An atom probe tomography microstructural characterization of low copper (0.06 at.% Cu) surveillance samples from a VVER 440 reactor has revealed manganese and silicon segregation to dislocations and other ultrafine features in neutron-irradiated base and weld materials (fluences 1×10 25 m −2 and 5×10 24 m −2 , E>0.5 MeV, respectively). The results indicate that there is an additional mechanism of embrittlement during neutron irradiation that manifests itself at high fluences.
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Research context
OpenAlex topics: Advanced Materials Characterization Techniques · Fusion materials and technologies · Nuclear Materials and Properties
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References (12)
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