Title: Microstructural Study of He-Implanted Fe-Cr Alloys with the Use of Conventional Lifetime Technique and Pulsed Low Energy Positron Beam
Authors: KRSJAK VLADIMIRSLUGEN VladimirPETRISKA MartinSOJAK StanislavEGGER Werner
Citation: PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS vol. 6 no. 11 p. 2339-2341
Publisher: WILEY-V C H VERLAG GMBH
Publication Year: 2009
JRC Publication N°: JRC54286
ISSN: 1862-6254
URI: http://www3.interscience.wiley.com/cgi-bin/home
http://publications.jrc.ec.europa.eu/repository/handle/JRC54286
DOI: 10.1002/pssc.200982117
Type: Articles in Journals
Abstract: Experimental simulation of the radiation damage using He+ implantation has been performed in research of Fe-Cr model al-loys. Different chromium content in the studied materials enables investigations of the effect of this element on the microstruc-ture 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 de-fects is less resistant to creation of defect agglomeration in comparison with higher Cr alloys.
JRC Institute:Institute for Energy and Transport

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