Original scientific paper

https://doi.org/10.5562/cca2794

Structural Characterization of Highly Corrosion-resistant Steel

Adriana Lančok ; Institute of Inorganic Chemistry AS CR, 250 68 Husinec-Řež 1001, Czech Republic
Tomáš Kmječ ; Faculty of Mathematics and Physics, Charles University Prague, Czech Republic
Milan Štefánik ; Department of Nuclear Reactors, Faculty of Nuclear Science and Physical Engineering, Czech Technical University in Prague, V Holešovičkách 8, 180 00 Prague, Czech Republic
Ľubomír Sklenka ; Department of Nuclear Reactors, Faculty of Nuclear Science and Physical Engineering, Czech Technical University in Prague, V Holešovičkách 8, 180 00 Prague, Czech Republic
Marcel Miglierini ; Department of Nuclear Reactors, Faculty of Nuclear Science and Physical Engineering, Czech Technical University in Prague, V Holešovičkách 8, 180 00 Prague, Czech Republic

Abstract

Structural features of novel corrosion-resistant LC 200N steel were investigated. Mössbauer spectrometry was chosen as a principal method of investigation. Surface as well as bulk properties were studied using Conversion Electron Mössbauer Spectrometry and transmission technique, respectively. Complex behaviour of magnetic and non-magnetic phases was identified in the samples by these two techniques. Chemical composition was checked by neutron activation analysis and X-ray fluorescence technique. Structural arrangement was studied by scanning electron microscopy with energy dispersive spectrometry and transmission electron microscopy. They unveiled regions with fairly varied Cr concentrations. Basing on a simple model of two different Cr concentrations, the relative areas of the Mössbauer sextets were modelled by a linear combination of two binomial distributions.

Keywords

Mössbauer spectroscopy; corrosion-resistant steel; LC200; CEMS

Hrčak ID:

153722

URI

https://hrcak.srce.hr/153722

Publication date:

31.12.2015.

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