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[en] Lifetime of structural materials is one of the crucial factors for operation of nuclear power plants (NPP). Therefore, high expectations and requirements are put on these materials from the radiation, heat and mechanical resistance point of view. Even higher stresses are expected in new generations of nuclear power plants, such as Generation IV and fusion reactors. Therefore, investigation of new structural materials is among others focused on study of reduced activation ferritic/martensitic (RAFM) steels with good characteristics as lower activation, good resistance to volume swelling, good radiation, and heat resistance (up to 550 grad C). Our research is focused on study of radiation damage simulated by ion implantations and thermal treatment evaluation of RAFM steels in form of binary Fe-Cr model alloys. Due to the defect production by ions, there was applied an approach for restoration of initial physical and mechanical characteristics of structural materials in the form of thermal annealing, with goal to decrease size and amount of accumulated defects. Experimental analysis of material damage at microstructural level was performed by Pulsed Low Energy Positron System (PLEPS) at the high intensity positron source NEPOMUC at the Munich research reactor FRM-II. (authors)
Source
Vajda, J. (ed.) (Institute of Nuclear and Physical Engineering, Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Univ. of Technology, Bratislava (Slovakia)); Jamnicky, I. (ed.) (Dept. of Physics,, Faculty of Electrical Engineering, University of Zilina, Zilina (Slovakia)); Institute of Nuclear and Physical Engineering, Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak Univ. of Technology, Bratislava (Slovakia); Alumni Club of the Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Bratislava (Slovakia); Dept. of Physics, Faculty of Electrical Engineering, University of Zilina, Zilina (Slovakia); Slovak Physical Society, Bratislava (Slovakia); Institute of Physics, Slovak Academy of Sciences, Bratislava (Slovakia); Slovak Physical Society, Bratislava (Slovakia); Institut Francais-Slovaque, Bratislava (Slovakia). Funding organisation: Sponsors: Slovenske Elektrarne, a. s., Bratislava (Slovakia); Slovak Nuclear Society, Trnava (Slovakia); Institut Francais Slovaquie, Bratislava (Slovakia); 369 p; ISBN 978-80-227-3720-3; 
; 28 May 2012; p. 91-94; APCOM 2012: 18. International Conference on Applied Physics of Condensed Matter; Strbske Pleso (Slovakia); 20-22 Jun 2012; GRANT VEGA-01/0366/12; 7RP-EURATOM/CU; ITMS 26220120014; ERDF; Also available from http://kf.elf.stuba.sk/∼apcom/apcom12/proceedings/; 1 tab., 3 figs., 94 refs.
; 28 May 2012; p. 91-94; APCOM 2012: 18. International Conference on Applied Physics of Condensed Matter; Strbske Pleso (Slovakia); 20-22 Jun 2012; GRANT VEGA-01/0366/12; 7RP-EURATOM/CU; ITMS 26220120014; ERDF; Also available from http://kf.elf.stuba.sk/∼apcom/apcom12/proceedings/; 1 tab., 3 figs., 94 refs.