Different Chromium Content and Thermal Annealing Influence on Ions Implanted Fe-Cr Model Alloys

Reduced activation ferritic/martensitic steels (RAFM) represented by binary Fe-Cr alloys, with different chromium content, were studied in as-received state as well as after helium ions implantation. In order to study changes in dependence on the temperature, thermal annealing of He ions implanted F...

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Bibliographic Details
Published in:Physics procedia 2012, Vol.35, p.80-85
Main Authors: Sojak, S., Slugeň, V., Kršjak, V., Egger, W., Ravelli, L., Petriska, M., Stanček, S., Skarba, M., Priputen, P., Vitázek, K., Stacho, M., Veterníková, J., Sabelová, V.
Format: Article
Language:English
Subjects:
annealing
Fe-Cr alloys
ion implantation
positron annihilation spectroscopy
vacancy type defects
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Summary:Reduced activation ferritic/martensitic steels (RAFM) represented by binary Fe-Cr alloys, with different chromium content, were studied in as-received state as well as after helium ions implantation. In order to study changes in dependence on the temperature, thermal annealing of He ions implanted Fe-11.62%Cr specimens was performed. Measurements by Pulsed Low Energy Positron System (PLEPS) in Garching, Germany were performed afterwards. Annealing out of defects at lower temperatures was not significant as was expected and some uncertainties are present. Extensive decrease of positron lifetime of defects was observed in specimens annealed at temperature 600°C.
ISSN:1875-3892
1875-3892
DOI:10.1016/j.phpro.2012.06.015