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Magneto-structural correlations in Fe-25 at%Al influenced by substitution of Fe by Co and by thermal treatment
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SYSNO ASEP 0556897 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Magneto-structural correlations in Fe-25 at%Al influenced by substitution of Fe by Co and by thermal treatment Author(s) Jirásková, Yvonna (UFM-A) RID, ORCID
Pizúrová, Naděžda (UFM-A) RID, ORCID
Buršík, Jiří (UFM-A) RID, ORCID
Friák, Martin (UFM-A) RID, ORCID
Čízek, J. (CZ)
Vlasák, T. (CZ)
Čegan, T. (CZ)
Nikodým, M. (CZ)
Luňáček, J. (CZ)Number of authors 9 Article number 163996 Source Title Journal of Alloys and Compounds. - : Elsevier - ISSN 0925-8388
Roč. 904, MAY (2022)Number of pages 11 s. Language eng - English Country CH - Switzerland Keywords magnetic-properties ; phase separations ; mossbauer ; spectroscopy ; hysteresis ; parameters ; positrons ; compound ; defect ; Microstructure ; Fe-Al(Co) alloys ; Magnetic properties ; Positron annihilation spectroscopy ; Mossbauer spectrometry ; Vacancies Subject RIV JG - Metallurgy OECD category Materials engineering Research Infrastructure e-INFRA CZ - 90140 - CESNET, zájmové sdružení právnických osob Method of publishing Limited access Institutional support UFM-A - RVO:68081723 UT WOS 000778886600001 EID SCOPUS 85124018339 DOI 10.1016/j.jallcom.2022.163996 Annotation The scanning electron microscopy, X-ray diffraction, positron annihilation spectroscopy, Mossbauer spectrometry, and measurements of magnetic characteristics by vibrating sample magnetometer complemented by theoretical simulations are applied in the present investigations of the Fe-Al-Co alloys with 25 at% Al and Co substituting Fe in amount of 15 at% or 25 at%. The alloys prepared by slightly different technologies resulting in different structural morphologies are subjected to thermal treatment followed by slow cooling and water cooling. It is shown that the alloy with lower Co content and the initial A2 structure is more sensitive to the thermal treatments from the viewpoints of changes in morphology, defects concentration and magnetic properties in comparison to the other one with the initial B2 structure. This is reflected almost in all experimentally obtained results.(c) 2022 Elsevier B.V. All rights reserved. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2023 Electronic address https://www.sciencedirect.com/science/article/pii/S0925838822003875?via%3Dihub
Number of the records: 1