<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Three oxide dispersion strengthened (ODS) steels with different chromium content (MA 956, MA 957 and ODM 751) were studied as candidate materials for new nuclear reactors in term of their radiation stability. The radiation damage was experimentally simulated by helium ion implantation with energy of ions up to 500 keV. The study was focused on surface and sub-surface structural change due to the ion implantation observed by mostly non-destructive techniques: positron annihilation lifetime spectroscopy and nanoindentation. The applied techniques demonstrated the best radiation stability of the steel ODM 751. Blistering effect occurred due to high implantation dose (mostly in MA 956) was studied in details.</p></abstract>

Three oxide dispersion strengthened (ODS) steels with different chromium content (MA 956, MA 957 and ODM 751) were studied as candidate materials for new nuclear reactors in term of their radiation stability. The radiation damage was experimentally simulated by helium ion implantation with energy of ions up to 500 keV. The study was focused on surface and sub-surface structural change due to the ion implantation observed by mostly non-destructive techniques: positron annihilation lifetime spectroscopy and nanoindentation. The applied techniques demonstrated the best radiation stability of the steel ODM 751. Blistering effect occurred due to high implantation dose (mostly in MA 956) was studied in details.

Positron and nanoindentation study of helium implanted high chromium ODS steels

Institute of Nuclear and Physical Engineering, Faculty of Electrical and Information Technology

Institute of Materials Research, Slovak Academy of Sciences

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Positron and nanoindentation study of helium implanted high chromium ODS steels"}

Three oxide dispersion strengthened (ODS) steels with different chromium content (MA 956, MA 957 and ODM 751) were studied as candidate materials for new...

Positron and nanoindentation study of helium implanted high chromium ODS steels

Publié en ligne: 29 déc. 2017

Pages: 62 - 65

Reçu: 23 avr. 2017

DOI: https://doi.org/10.1515/jee-2017-0058

Mots clés
ODS steels, helium ion implantation, nanoindentation, vacancy defects

© 2017 Jana Simeg Veternikova et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Positron and nanoindentation study of helium implanted high chromium ODS steels

Publié en ligne: 29 déc. 2017

Pages: 62 - 65

Reçu: 23 avr. 2017

DOI: https://doi.org/10.1515/jee-2017-0058

Mots clésODS steels, helium ion implantation, nanoindentation, vacancy defects

© 2017 Jana Simeg Veternikova et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
ODS steels, helium ion implantation, nanoindentation, vacancy defects