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Anisotropic nanostructured magnets by magnetic-field-assisted processing

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Anisotropic nanostructured magnets by magnetic-field-assisted processing

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dc.contributor.author Rong, Chuanbing
dc.contributor.author Nguyen, Van Vuong
dc.contributor.author Liu, J. Ping
dc.date.accessioned 2010-08-11T19:18:45Z
dc.date.available 2010-08-11T19:18:45Z
dc.date.issued 2010-04-15 en_US
dc.identifier.citation J. Appl. Phys 107 09A717 (2010) en_US
dc.identifier.issn 0021-8979 (print)
dc.identifier.uri http://hdl.handle.net/10106/5012
dc.description PROCEEDINGS OF THE 11TH JOINT MMM-INTERMAG CONFERENCE, WASHINGTON, DC, 2010 / Hard Magnetic Materials en_US
dc.description.abstract It has been a great challenge to produce anisotropic nanocrystalline bulk magnets. In this paper, we report our recent work in preparing anisotropic bonded magnets consisting of SmCo5 nanocrystalline particles. The work involved synthesis of nanocrystalline hard magnetic SmCo5 particles by ball milling in the presence of a magnetic field. Structural and magnetic characterizations show the alignment of the c-axis of the SmCo5 grains upon the magnetic-field-assisted ball milling, while the grain size was controlled under 15 nm. The formation of the texture may be attributed to the effect of magnetic fields on the grain orientation during the cold welding process during ball milling. The as-milled particles were then compacted under a magnetic field with a binder to form bonded bulk SmCo5 nanostructured magnets. X-ray diffraction patterns show c-axis alignment in the bulk magnets, which was consistent with the magnetic measurements. en_US
dc.description.sponsorship Sponsored jointly the the American Institute of Physics (AIP)and the Magnetics Society of the IEEE in cooperation of The American Physical Society. en_US
dc.language.iso en_US en_US
dc.publisher American Institute of Physics en_US
dc.subject ball milling en_US
dc.subject cobalt alloys en_US
dc.subject compaction en_US
dc.subject demagnetisation en_US
dc.subject grain size en_US
dc.subject magnetic particles en_US
dc.subject nanoparticles en_US
dc.subject permanent magnets en_US
dc.subject samarium alloys en_US
dc.subject texture en_US
dc.subject X-ray diffraction en_US
dc.title Anisotropic nanostructured magnets by magnetic-field-assisted processing en_US
dc.type Article en_US
dc.publisher.department Department of Physics, The University of Texas at Arlington en_US
dc.identifier.externalLink http://link.aip.org/link/JAPIAU/v107/i9/p09A717/s1 en_US
dc.identifier.externalLinkDescription External link to the published article en_US

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