Abstract
Experimental results of original irradiated reactor pressure vessel surveillance specimens are presented and discussed in the paper. In 1994, the new “Extended Surveillance Specimen Program for Nuclear Reactor Material Study” was started in collaboration with the nuclear power plant (NPP) Bohunice and NPP Research Institute Trnava (Slovakia). Three batches of special prepared “Mössbauer samples” (after 1, 2 and 3 years stay in irradiation channels) were measured and interpreted using the new four components approach of Mössbauer spectra evaluation with the aim to observe microstructural changes due to thermal and neutron treatment resulting from operating conditions in NPP. The systematic changes in the relative areas of Mössbauer spectra components were observed and discussed.
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Slugen, V., Lipka, J. & Toth, I. Mössbauer Spectroscopy on Nuclear Power Plant Materials. Hyperfine Interactions 139, 427–435 (2002). https://doi.org/10.1023/A:1021238908419
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DOI: https://doi.org/10.1023/A:1021238908419