Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application
Visokoenergetski nanokristalni Nd-Fe-B magnetni materijali - sinteza, karakterizacija, primena
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Permanentni magnetni materijali na bazi Nd-Fe-B legura su jedna od najznačajnijih grupa
visokoenergetskih nanokristalnih magnetnih materijala. Savremena istraživanja u razvoju ove
grupe magetnih materijala su usmerena u tri glavna pravca: povećanje magnetne energije,
poboljšanje otpornosti na koroziju i redukovanje sadržaja retke zemlje (Nd) u cilju sniženja cene
finalnog magnetnog materijala, ali uz zadržavanje visokih vrednosti magnetne energije. Direktna
zavisnost mikrostukture i magnetnih svojstava Nd-Fe-B legura od sadržaja Nd je iskorišćena za
razvoj tri osnovna tipa magnetnih nanokristalnih materijala: sa stehiometrijskim sadržajem Nd, sa
obogaćenim sadržajem Nd (dekuplovani) i sa redukovanim sadržajem Nd (nanokompoziti). U radu
je dat kratak opis svakog tipa materijala, prikaz metoda dobijanja i neki od primera
visokotehnološke primene. Za dabranu metodu sinteze dati su procesni uslovi za optimizaciju
magnetnih svojstava na bazi dobijenih eksperimetalnih rezultata ist...raživanja, primenom
savremenih i visokorezolutivnih metoda karakterizacije. Dat je takoĎe kratak osvrt na trendove i
izazove u daljem razvoju magnetnih nanomaterijala.
One of the most widely used high-energy nanocrystalline permanent magnetic materials are
Nd-Fe-B alloys. Current R&D of Nd-Fe-B magnets is focused on three major topics: increase of
magnetic energy, improvement of corrosion resistance and reduction of rare-earth content as a way
of decreasing prices of final magnetic material with still significant magnetic energy. Utilizing the
high sensitivity of microstructure and magnetic properties of Nd-Fe-B alloys to the Nd content,
three distinctive types of nanocrystalline alloys have been developed: stoichiometric magnets, Ndrich
(decoupled magnets) and magnets with reduced Nd content (nanocomposite magnets). In the
presented paper a brief overview of each type of Nd-Fe-B alloy is given, processing methods are
outlined and several high technology application examples are presented. Based on experimental
results obtained using modern high resolution characterization techniques optimal processing
conditions for the selected synthesis ...method are presented. Trends and challenges in future R&D of
magnetic nanomaterials are discussed.
Ključne reči:
nanostrukturni magnetni materijali / Nd-Fe-B legure / magnetna svojstva / nanostructured magnetic materials / Nd-Fe-B alloys / magnetic propertiesIzvor:
Journal of Engineering & Processing Management, 2010, 2, 2, 67-78Izdavač:
- Bosnia and Herzegovina : University of East Sarajevo, Faculty of Technology
Finansiranje / projekti:
- Savremeni višekomponentni metalni sistemi i nanostrukturni materijali sa različitim funkcionalnim svojstvima (RS-MESTD-Basic Research (BR or ON)-172037)
URI
https://jepm.tfzv.ues.rs.ba/index.php/Journal/article/view/128https://cer.ihtm.bg.ac.rs/handle/123456789/3877
Institucija/grupa
IHTMTY - JOUR AU - Talijan, Nadežda M. PY - 2010 UR - https://jepm.tfzv.ues.rs.ba/index.php/Journal/article/view/128 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/3877 AB - Permanentni magnetni materijali na bazi Nd-Fe-B legura su jedna od najznačajnijih grupa visokoenergetskih nanokristalnih magnetnih materijala. Savremena istraživanja u razvoju ove grupe magetnih materijala su usmerena u tri glavna pravca: povećanje magnetne energije, poboljšanje otpornosti na koroziju i redukovanje sadržaja retke zemlje (Nd) u cilju sniženja cene finalnog magnetnog materijala, ali uz zadržavanje visokih vrednosti magnetne energije. Direktna zavisnost mikrostukture i magnetnih svojstava Nd-Fe-B legura od sadržaja Nd je iskorišćena za razvoj tri osnovna tipa magnetnih nanokristalnih materijala: sa stehiometrijskim sadržajem Nd, sa obogaćenim sadržajem Nd (dekuplovani) i sa redukovanim sadržajem Nd (nanokompoziti). U radu je dat kratak opis svakog tipa materijala, prikaz metoda dobijanja i neki od primera visokotehnološke primene. Za dabranu metodu sinteze dati su procesni uslovi za optimizaciju magnetnih svojstava na bazi dobijenih eksperimetalnih rezultata istraživanja, primenom savremenih i visokorezolutivnih metoda karakterizacije. Dat je takoĎe kratak osvrt na trendove i izazove u daljem razvoju magnetnih nanomaterijala. AB - One of the most widely used high-energy nanocrystalline permanent magnetic materials are Nd-Fe-B alloys. Current R&D of Nd-Fe-B magnets is focused on three major topics: increase of magnetic energy, improvement of corrosion resistance and reduction of rare-earth content as a way of decreasing prices of final magnetic material with still significant magnetic energy. Utilizing the high sensitivity of microstructure and magnetic properties of Nd-Fe-B alloys to the Nd content, three distinctive types of nanocrystalline alloys have been developed: stoichiometric magnets, Ndrich (decoupled magnets) and magnets with reduced Nd content (nanocomposite magnets). In the presented paper a brief overview of each type of Nd-Fe-B alloy is given, processing methods are outlined and several high technology application examples are presented. Based on experimental results obtained using modern high resolution characterization techniques optimal processing conditions for the selected synthesis method are presented. Trends and challenges in future R&D of magnetic nanomaterials are discussed. PB - Bosnia and Herzegovina : University of East Sarajevo, Faculty of Technology T2 - Journal of Engineering & Processing Management T1 - Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application T1 - Visokoenergetski nanokristalni Nd-Fe-B magnetni materijali - sinteza, karakterizacija, primena VL - 2 IS - 2 SP - 67 EP - 78 UR - https://hdl.handle.net/21.15107/rcub_cer_3877 ER -
@article{ author = "Talijan, Nadežda M.", year = "2010", abstract = "Permanentni magnetni materijali na bazi Nd-Fe-B legura su jedna od najznačajnijih grupa visokoenergetskih nanokristalnih magnetnih materijala. Savremena istraživanja u razvoju ove grupe magetnih materijala su usmerena u tri glavna pravca: povećanje magnetne energije, poboljšanje otpornosti na koroziju i redukovanje sadržaja retke zemlje (Nd) u cilju sniženja cene finalnog magnetnog materijala, ali uz zadržavanje visokih vrednosti magnetne energije. Direktna zavisnost mikrostukture i magnetnih svojstava Nd-Fe-B legura od sadržaja Nd je iskorišćena za razvoj tri osnovna tipa magnetnih nanokristalnih materijala: sa stehiometrijskim sadržajem Nd, sa obogaćenim sadržajem Nd (dekuplovani) i sa redukovanim sadržajem Nd (nanokompoziti). U radu je dat kratak opis svakog tipa materijala, prikaz metoda dobijanja i neki od primera visokotehnološke primene. Za dabranu metodu sinteze dati su procesni uslovi za optimizaciju magnetnih svojstava na bazi dobijenih eksperimetalnih rezultata istraživanja, primenom savremenih i visokorezolutivnih metoda karakterizacije. Dat je takoĎe kratak osvrt na trendove i izazove u daljem razvoju magnetnih nanomaterijala., One of the most widely used high-energy nanocrystalline permanent magnetic materials are Nd-Fe-B alloys. Current R&D of Nd-Fe-B magnets is focused on three major topics: increase of magnetic energy, improvement of corrosion resistance and reduction of rare-earth content as a way of decreasing prices of final magnetic material with still significant magnetic energy. Utilizing the high sensitivity of microstructure and magnetic properties of Nd-Fe-B alloys to the Nd content, three distinctive types of nanocrystalline alloys have been developed: stoichiometric magnets, Ndrich (decoupled magnets) and magnets with reduced Nd content (nanocomposite magnets). In the presented paper a brief overview of each type of Nd-Fe-B alloy is given, processing methods are outlined and several high technology application examples are presented. Based on experimental results obtained using modern high resolution characterization techniques optimal processing conditions for the selected synthesis method are presented. Trends and challenges in future R&D of magnetic nanomaterials are discussed.", publisher = "Bosnia and Herzegovina : University of East Sarajevo, Faculty of Technology", journal = "Journal of Engineering & Processing Management", title = "Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application, Visokoenergetski nanokristalni Nd-Fe-B magnetni materijali - sinteza, karakterizacija, primena", volume = "2", number = "2", pages = "67-78", url = "https://hdl.handle.net/21.15107/rcub_cer_3877" }
Talijan, N. M.. (2010). Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application. in Journal of Engineering & Processing Management Bosnia and Herzegovina : University of East Sarajevo, Faculty of Technology., 2(2), 67-78. https://hdl.handle.net/21.15107/rcub_cer_3877
Talijan NM. Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application. in Journal of Engineering & Processing Management. 2010;2(2):67-78. https://hdl.handle.net/21.15107/rcub_cer_3877 .
Talijan, Nadežda M., "Hihg-energy nanocrystalline Nd-Fe-B magnetic materials-synthesis, characterization, application" in Journal of Engineering & Processing Management, 2, no. 2 (2010):67-78, https://hdl.handle.net/21.15107/rcub_cer_3877 .