Kršjak, Vladimír; Slugeň, Vladimír; Petriska, Martin; Sojak, Stanislav; Egger, Werner
Dokumenttyp:
Zeitschriftenartikel / Journal Article
Titel:
Microstructural study of He-implanted Fe-Cr alloys with the use of conventional lifetime technique and pulsed low energy positron beam
Zeitschrift:
Physica Status Solidi (C) Current Topics in Solid State Physics
Jahrgang:
6
Heftnummer:
11
Konferenztitel:
International Conference on Positron Annihilation (15., 2009, Kolkata)
Konferenztitel:
15th International Conference on Positron Annihilation (ICPA-15)
Tagungsort:
Kolkata
Jahr der Konferenz:
2009
Jahr:
2009
Seiten von - bis:
2339-2341
Sprache:
Englisch
Abstract:
Experimental simulation of the radiation damage using He+ implantation has been performed in research of Fe-Cr model alloys. Different chromium content in the studied materials enables investigations of the effect of this element on the microstructure of radiation treated materials. The damaged region was investigated with the positron lifetime techniques with focus on the size and distribution of the defects. Our measurements show that not only pulsed low energy positron beam spectroscopy (PLEPS) but also conventional lifetime spectroscopy can study the behaviour of vacancy type defects induced by implantation of charged particles. Our results show that initial microstructure of low Cr alloys with significant presence of vacancy type defects is less resistant to creation of defect agglomeration in comparison with higher Cr alloys. «
Experimental simulation of the radiation damage using He+ implantation has been performed in research of Fe-Cr model alloys. Different chromium content in the studied materials enables investigations of the effect of this element on the microstructure of radiation treated materials. The damaged region was investigated with the positron lifetime techniques with focus on the size and distribution of the defects. Our measurements show that not only pulsed low energy positron beam spectroscopy (PLEP... »