About: Effects of additions and heat treament on the microstructure and magnetic properties of sintered Nd-Fe-B magnets

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sintered Nd-Fe-B permanent magnets with an enhanced coercive force were fabricated (i) using the main Nd14,5Dy1,5Fe75Co2B7 alloy and its mixtures with [Dy/Al], Tb2O3, Nd3Co additions and (ii) applying a post-sintering heat treatment of magnets. The average grain size of the Nd2Fe14B phase decreases with increasing contents of [Dy/Al], Tb2O3 and Nd3Co additions and their melting temperatures. The mixing method is effective for all type of additions used. The maximum coercive force magnitudes were reached after aging at 550 °C, which was performed after cooling from sintering temperature to room temperature. The same aging performed after cooling from sintering temperature to 550 °C, i.e., without the intermediate cooling does not increase Hci. The correlation between structural changes and hysteretic properties of the heat-treated magnets has been discussed. Sintered Nd-Fe-B permanent magnets with an enhanced coercive force were fabricated (i) using the main Nd14,5Dy1,5Fe75Co2B7 alloy and its mixtures with [Dy/Al], Tb2O3, Nd3Co additions and (ii) applying a post-sintering heat treatment of magnets. The average grain size of the Nd2Fe14B phase decreases with increasing contents of [Dy/Al], Tb2O3 and Nd3Co additions and their melting temperatures. The mixing method is effective for all type of additions used. The maximum coercive force magnitudes were reached after aging at 550 °C, which was performed after cooling from sintering temperature to room temperature. The same aging performed after cooling from sintering temperature to 550 °C, i.e., without the intermediate cooling does not increase Hci. The correlation between structural changes and hysteretic properties of the heat-treated magnets has been discussed. (en)
Title	Effects of additions and heat treament on the microstructure and magnetic properties of sintered Nd-Fe-B magnets Effects of additions and heat treament on the microstructure and magnetic properties of sintered Nd-Fe-B magnets (en)
skos:prefLabel	Effects of additions and heat treament on the microstructure and magnetic properties of sintered Nd-Fe-B magnets Effects of additions and heat treament on the microstructure and magnetic properties of sintered Nd-Fe-B magnets (en)
skos:notation	RIV/61989100:27360/13:86088442!RIV14-MSM-27360___
http://linked.open...avai/predkladatel	Fakulta metalurgie a materiálového inženýrství
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kursa, Miroslav Skotnicová, Kateřina
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	71904
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/13:86088442
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coercive force; heat treatment; sintered magnets; Nd2Fe14B alloy (en)
http://linked.open.../riv/klicoveSlovo	sintered magnets Nd2Fe14B alloy coercive force heat treatment
http://linked.open...ontrolniKodProRIV	[424781BC6E2B]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2013 : 22nd International Conference on Metallurgy and Materials : conference proceedings : May 15th - 17th 2013, Hotel Voronez I, Brno Czech Republic, EU [CD-ROM]
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Savchenko, A. Skotnicová, Kateřina Menushenkov, V. P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-41-3
http://localhost/t...ganizacniJednotka	27360

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