About: Phase and magnetic studies of the high-energy alloyed Ni-Fe

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A report on the systematic study of the changes in the phase composition, morphology, and magnetic properties of the Fe-Ni alloy is presented. Structure studies based on the X-ray diffraction and transmission electron microscopy reveal that the step-wise alloying by high energy ball milling for time up to 6 000 min proceeds in three stages: i) solid state diffusion of Ni into bcc-Fe, ii) the ongoing diffusion of Ni into bcc-Fe and simultaneous diffusion of Fe into fcc-Ni, and iii) structural transformation of bcc-FeNi into fcc-NiFe and final formation of the Ni3Fe phase. Except for ferromagnetic phases, a small contribution of the paramagnetic component is detected by Mössbauer spectrometry. The alloying process is accompanied by an initial rapid decrease in crystallite size followed by a sluggish decrease down to the mean final size of 12 nm. The changes in the grain size and phase compositions are reflected in magnetic characteristics. The results yielded from the Henkel graphs confirm a dominance of the negative particle interactions. A report on the systematic study of the changes in the phase composition, morphology, and magnetic properties of the Fe-Ni alloy is presented. Structure studies based on the X-ray diffraction and transmission electron microscopy reveal that the step-wise alloying by high energy ball milling for time up to 6 000 min proceeds in three stages: i) solid state diffusion of Ni into bcc-Fe, ii) the ongoing diffusion of Ni into bcc-Fe and simultaneous diffusion of Fe into fcc-Ni, and iii) structural transformation of bcc-FeNi into fcc-NiFe and final formation of the Ni3Fe phase. Except for ferromagnetic phases, a small contribution of the paramagnetic component is detected by Mössbauer spectrometry. The alloying process is accompanied by an initial rapid decrease in crystallite size followed by a sluggish decrease down to the mean final size of 12 nm. The changes in the grain size and phase compositions are reflected in magnetic characteristics. The results yielded from the Henkel graphs confirm a dominance of the negative particle interactions. (en)
Title	Phase and magnetic studies of the high-energy alloyed Ni-Fe Phase and magnetic studies of the high-energy alloyed Ni-Fe (en)
skos:prefLabel	Phase and magnetic studies of the high-energy alloyed Ni-Fe Phase and magnetic studies of the high-energy alloyed Ni-Fe (en)
skos:notation	RIV/68081723:_____/14:00424978!RIV15-GA0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE.2.3.20.0074), P(GAP108/11/1350)
http://linked.open...iv/cisloPeriodika	May
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Hapla, Miroslav Buršík, Jiří Jirásková, Yvonna Turek, Ilja
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	36391
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00424978
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ni-Fe; mechanical alloying; magnetic properties; microstructure; particle interactions (en)
http://linked.open.../riv/klicoveSlovo	Ni-Fe particle interactions mechanical alloying magnetic properties microstructure
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[478188F9061D]
http://linked.open...i/riv/nazevZdroje	Journal of Alloys and Compounds
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Effects of cores and boundaries of nanograins on structural and physical properties of ball milled and mechanically alloyed iron-based materials. Nanotechnology - the basis for international cooperation
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	594
http://linked.open...iv/tvurceVysledku	Buršík, Jiří Turek, Ilja Jirásková, Yvonna Životský, O. Hapla, Miroslav Titov, A.
http://linked.open...ain/vavai/riv/wos	000331723100023
issn	0925-8388
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jallcom.2014.01.138

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