Characterization of ODS Steels after Gamma Irradiation for Application in ALLEGRO Reactor

• Authors: V. Slugeň , I. Bartošová , J. Dekan
• Languages of publication: EN

Abstracts

EN

Oxide-dispersion strengthened steels characterization using various spectroscopic techniques is presented. Microstructure of 15% chromium oxide-dispersion strengthened steels was studied in term of vacancy defects presence and their accumulation after defined irradiation treatment, respectively. Studied materials originated from Kyoto University and studied via IAEA collaborative project focused on generation IV reactors (ALLEGRO). Samples were characterized "as received" by positron annihilation lifetime spectroscopy, the Mössbauer spectroscopy and their microstructure was examined by transmission electron microscopy as well. Samples were afterwards irradiated in Washington State University Nuclear Radiation Center via a strong gamma source (6 TBq). Damage induced by gamma irradiation was evaluated by positron lifetime measurements in emphasis on defect accumulation in the materials. We have demonstrated strong defect production induced by gamma irradiation which results from positron measurement data.

Keywords

EN

29.30.-h; 76.80.+y; 81.05.-t; 81.05.Bx; 82.80.Ej

Discipline

• 82.80.Ej: X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods
• 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
• 81.05.-t: Specific materials: fabrication, treatment, testing, and analysis(for superconducting materials, see 74.70.-b, and 74.72.-h; for magnetic materials, see 75.50.-y; for optical materials, see 42.70.-a; for dielectric materials, see 77.84.-s; for disperse systems and complex fluids, see 82.70.-y; see also 82.75.-z Molecular sieves, zeolites, clathrates, and other complex solids; for materials properties, see sections 60 and 70)
• 81.05.Bx: Metals, semimetals, and alloys
• 29.30.-h: Spectrometers and spectroscopic techniques(for energy loss and stopping power, see 34.50.Bw in atomic physics, and 61.85.+p in condensed matter physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 4
• Pages: 1090-1092

Dates

published

2017-04

Contributors

author

V. Slugeň

• Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia

author

I. Bartošová

• Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia

author

J. Dekan

• Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia

References

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Identifiers

DOI

10.12693/APhysPolA.131.1090