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Enhancement in magnetic torque of cylindrical micro rotor by usage of directly consolidated α-Fe/Pr2Fe14B-based nanocomposite thick-films


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Title: Enhancement in magnetic torque of cylindrical micro rotor by usage of directly consolidated α-Fe/Pr2Fe14B-based nanocomposite thick-films
Authors: Yamashita, F. / Nishimura, S. / Kobayashi, O. / Itoh, M. / Nakano, Masaki / Fukunaga, Hirotoshi / Ishiyama, K.
Issue Date: 1-Apr-2011
Publisher: American Institute of Physics
Citation: Journal of Applied Physics, 109(7), 07A712; 2011
Abstract: An advanced preparation method was carried out to obtain a magnetized cylindrical micro rotorfabricated from directly consolidated isotropic -Fe/Pr2Fe14B nanocomposite thick-films with self-bonding layer. A magnetic torque of the above film with the remanence value of 0.97 T, the coercivity value of 650 kA/m, and the (BH)max value of 142 kJ/m3 was investigated under different field strengths. Namely, magnetic torque of the above-mentioned rotor with a single pole pairincreased by 117, compared with that of Fe3B/Nd2Fe14B films with the remanence value of 1.1 T, the coercivity value of 334 kA/m, and the (BH)max value of 95 kJ/m3. It was found that the use of -Fe/Pr2Fe14B films is effective in obtaining a multipolarly magnetized micro rotor with highly dense torque as well as magnetic stability.
URI: http://hdl.handle.net/10069/25450
ISSN: 00218979
DOI: 10.1063/1.3553934
Rights: © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.The following article appeared in [Journal of Applied Physics, 109(7), 07A712; 2011] and may be found at http://dx.doi.org/10.1063/1.3553934.
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/25450

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