About: THE EFFECT OF HEAT TREATMENT UNDER VARIOUS CONDITIONS ON MICROSTRUCTURE OF SINTERED (Nd,Pr,Dy)-Fe-B MAGNETS

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The use powder mixtures, which consists of strip-casting (Nd,Pr)-Fe-B alloy and DyH2 hydride, allows the high-coercivity magnets to be prepared.The stability of the reached high magnetic characteristics in the course of both low- and high-temperature heat treatments was shown to be related to the evolution grain structure of the magnets. The microstructure and chemical composition of the permanent magnets was studied by electron microscopy (SEM/EDX) using a Quanta 450 feg microscope. Electron microscopic studies of their microstructure have demonstrated annealing-induced changes in the thickness and continuity of (Nd,Pr,Dy)2Fe14B-phase grain boundaries and the shape of triple junctions of the grains. Electron microprobe analysis of triple junctions has revealed the presence of various (Nd,Pr,Dy)-O oxides such as (Nd,Pr,Dy)O, (Nd,Pr,Dy)2O3 and (Nd,Pr,Dy)O2. The studies performed allow us to conclude the effect of the heat treatment of the principal structural and magnetic characteristics of the permanent magnets. The use powder mixtures, which consists of strip-casting (Nd,Pr)-Fe-B alloy and DyH2 hydride, allows the high-coercivity magnets to be prepared.The stability of the reached high magnetic characteristics in the course of both low- and high-temperature heat treatments was shown to be related to the evolution grain structure of the magnets. The microstructure and chemical composition of the permanent magnets was studied by electron microscopy (SEM/EDX) using a Quanta 450 feg microscope. Electron microscopic studies of their microstructure have demonstrated annealing-induced changes in the thickness and continuity of (Nd,Pr,Dy)2Fe14B-phase grain boundaries and the shape of triple junctions of the grains. Electron microprobe analysis of triple junctions has revealed the presence of various (Nd,Pr,Dy)-O oxides such as (Nd,Pr,Dy)O, (Nd,Pr,Dy)2O3 and (Nd,Pr,Dy)O2. The studies performed allow us to conclude the effect of the heat treatment of the principal structural and magnetic characteristics of the permanent magnets. (en)
Title	THE EFFECT OF HEAT TREATMENT UNDER VARIOUS CONDITIONS ON MICROSTRUCTURE OF SINTERED (Nd,Pr,Dy)-Fe-B MAGNETS THE EFFECT OF HEAT TREATMENT UNDER VARIOUS CONDITIONS ON MICROSTRUCTURE OF SINTERED (Nd,Pr,Dy)-Fe-B MAGNETS (en)
skos:prefLabel	THE EFFECT OF HEAT TREATMENT UNDER VARIOUS CONDITIONS ON MICROSTRUCTURE OF SINTERED (Nd,Pr,Dy)-Fe-B MAGNETS THE EFFECT OF HEAT TREATMENT UNDER VARIOUS CONDITIONS ON MICROSTRUCTURE OF SINTERED (Nd,Pr,Dy)-Fe-B MAGNETS (en)
skos:notation	RIV/61989100:27360/14:86090233!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0016), P(LO1203)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kursa, Miroslav Čegan, Tomáš Skotnicová, Kateřina Koshkidko, Iurii
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	13318
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86090233
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	grain boundaries; strip casting; permanent magnets (en)
http://linked.open.../riv/klicoveSlovo	strip casting permanent magnets grain boundaries
http://linked.open...ontrolniKodProRIV	[93B686326440]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2014: 23rd International Conference on Metallurgy and Materials: conference proceedings : May 21st-23rd 2014, hotel Voroněž I, Brno, Czech Republic, EU
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Regionální materiálově technologické výzkumné centrum - Program udržitelnosti Opportunities for young researchers
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Čegan, Tomáš Burkhanov, G. S. Skotnicová, Kateřina Kolchugina, N. B. Lukin, A. A. Koshkidko, Iurii Dormidontov, A. G. Sitnov, V. V.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-05-21 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-54-3
http://localhost/t...ganizacniJednotka	27360

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