About: Influence of Fe2O3 on alloying and magnetic properties of Fe

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present study is devoted to changes of the magnetic properties during the high-energy ball milling of the Fe, Al and Fe2O3 powders. The magnetic properties are supported by the structure morphology, phase composition, and changes in atomic ordering investigated using the structure sensitive scanning electron microscopy, X-ray diffraction and Mössbauer spectrometry. Intergrain exchange coupling results in negative values of ıM(H) Henkel graphs yielding dipolar interactions among particles and only slightly depending on the milling time. The bcc-Fe–Al is detected after 2 h of milling coexisting with the -(Fe,Al)2O3, superparamagnetic oxides, and -Fe. In the next milling steps the changes in the phase composition are seen. While a small amount of the superparamagnetic oxides and the bcc-Fe–Al phase are detected after 20 h, the -(Fe,Al)2O3 has been dissolved. An increase in the hyperfine induction and saturation magnetization evidences a decrease in Al content in the bcc-Fe–Al estimated to be bellow 18 at.% Al. The present study is devoted to changes of the magnetic properties during the high-energy ball milling of the Fe, Al and Fe2O3 powders. The magnetic properties are supported by the structure morphology, phase composition, and changes in atomic ordering investigated using the structure sensitive scanning electron microscopy, X-ray diffraction and Mössbauer spectrometry. Intergrain exchange coupling results in negative values of ıM(H) Henkel graphs yielding dipolar interactions among particles and only slightly depending on the milling time. The bcc-Fe–Al is detected after 2 h of milling coexisting with the -(Fe,Al)2O3, superparamagnetic oxides, and -Fe. In the next milling steps the changes in the phase composition are seen. While a small amount of the superparamagnetic oxides and the bcc-Fe–Al phase are detected after 20 h, the -(Fe,Al)2O3 has been dissolved. An increase in the hyperfine induction and saturation magnetization evidences a decrease in Al content in the bcc-Fe–Al estimated to be bellow 18 at.% Al. (en)
Title	Influence of Fe2O3 on alloying and magnetic properties of Fe–Al Influence of Fe2O3 on alloying and magnetic properties of Fe–Al (en)
skos:prefLabel	Influence of Fe2O3 on alloying and magnetic properties of Fe–Al Influence of Fe2O3 on alloying and magnetic properties of Fe–Al (en)
skos:notation	RIV/68081723:_____/14:00435389!RIV15-GA0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(7AMB12SK009), P(ED0040/01/01), P(GAP108/11/1350), P(LO1203)
http://linked.open...iv/cisloPeriodika	AUG
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Buršík, Jiří Jirásková, Yvonna
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	21423
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00435389
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fe–Al alloy; Mechanical alloying; Microstructure; Intergrain interaction; magnetic properties (en)
http://linked.open.../riv/klicoveSlovo	Mechanical alloying Fe–Al alloy Intergrain interaction magnetic properties Microstructure
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[ACA29EAC6EBC]
http://linked.open...i/riv/nazevZdroje	Materials Science and Engineering B-Advanced Functional Solid-State Materials
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regionální materiálově technologické výzkumné centrum - Program udržitelnosti Microstructure of Fe-Al based alloys Regional materials science and technology centre Effects of cores and boundaries of nanograins on structural and physical properties of ball milled and mechanically alloyed iron-based materials.
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	186
http://linked.open...iv/tvurceVysledku	Buršík, Jiří Cuda, J. Jirásková, Yvonna Zitovski, O.
http://linked.open...ain/vavai/riv/wos	000337648100012
issn	0921-5107
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.mseb.2014.03.012

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