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Influence of applied tensile stress on the hysteresis curve and magnetic domain structure of grain-oriented Fe–3%Si steel
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SYSNO ASEP 0430380 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Influence of applied tensile stress on the hysteresis curve and magnetic domain structure of grain-oriented Fe–3%Si steel Author(s) Perevertov, Oleksiy (FZU-D) RID
Schäfer, R. (DE)Source Title Journal of Physics D-Applied Physics. - : Institute of Physics Publishing - ISSN 0022-3727
Roč. 47, č. 18 (2014), s. 1-10Number of pages 10 s. Language eng - English Country GB - United Kingdom Keywords magnetic domains ; magnetization process ; magnetoelasticity ; hysteresis loops ; tension ; silicon steel ; Kerr microscopy Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GAP107/11/0391 GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000334670600002 EID SCOPUS 84899029189 DOI 10.1088/0022-3727/47/18/185001 Annotation The influence of applied tensile stress on the hysteresis curve and domain structure in conventional (1 1 0)[0 0 1] Fe–3%Si steel, cut parallel to the rolling direction, is studied on samples with different grain sizes. Quasistatic hysteresis loops under tensile stresses up to 70MPa were measured. The magnetic domains and magnetization processes were observed by longitudinal Kerr microscopy at different levels of stress. It is shown that for stresses exceeding 5–10MPa the bulk hysteresis loop can be described with good accuracy by the action of an effective field, which is the product of a function of stress and a function of magnetization. The function of stress is approximately linear with a slope of one. Except for the sample with the smallest grains, the function of magnetization is linear in the magnetization range ±1.2–1.5 T, i.e. it has a typical demagnetizing field shape. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2015
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