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Volume: 17 | Article ID: art00037_2
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Statics of Magnetic Bead Chain in Magnetic Field
Nobuyuki Nakayama
Hiroyuki Kawamoto
Makoto Yamaguchi
  DOI :  10.2352/ISSN.2169-4451.2001.17.1.art00037_2  Published Online :  January 2001
Abstract

Experimental, numerical, and theoretical investigations have been carried out on statics of a magnetic bead chain in the magnetic filed. Chains formed on a solenoid coil were observed and chain lengths and slant angles were measured by a digital microscope. It was deduced that (1) the chain length depends on both the weight of magnetic particles and the magnetic flux density; (2) chains have inclinations in the inclined magnetic field and that inclinations of the chains are enlarged by the gravitational force. These static configurations of chains are approximately determined to minimize the total potential energy that consisted of the gravitational and magnetic potential energy. These characteristics were qualitatively confirmed by the numerical calculation with the two-dimensional Distinct Element Method. The investigation is expected to be utilized for the improvement of the two-component magnetic brush development system in electrophotography.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society of Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151, USA
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 DOI 10.2352/ISSN.2169-4451.2001.17.1.art00037_2
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Nobuyuki Nakayama, Hiroyuki Kawamoto, Makoto Yamaguchi, "Statics of Magnetic Bead Chain in Magnetic Field"  in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP17),  2001,  pp 600 - 605,  https://doi.org/10.2352/ISSN.2169-4451.2001.17.1.art00037_2

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Copyright © Society for Imaging Science and Technology 2001
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NIP & Digital Fabrication Conference
nip digi fabric conf
2169-4451
Society of Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151, USA
2169-4451(20010101)2001:2L.600;1-
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Articles
Statics of Magnetic Bead Chain in Magnetic Field
NakayamaNobuyuki
KawamotoHiroyuki
YamaguchiMakoto
01012001
2001
2
600
605
2001
Experimental, numerical, and theoretical investigations have been carried out on statics of a magnetic bead chain in the magnetic filed. Chains formed on a solenoid coil were observed and chain lengths and slant angles were measured by a digital microscope. It was deduced that (1) the chain length depends on both the weight of magnetic particles and the magnetic flux density; (2) chains have inclinations in the inclined magnetic field and that inclinations of the chains are enlarged by the gravitational force. These static configurations of chains are approximately determined to minimize the total potential energy that consisted of the gravitational and magnetic potential energy. These characteristics were qualitatively confirmed by the numerical calculation with the two-dimensional Distinct Element Method. The investigation is expected to be utilized for the improvement of the two-component magnetic brush development system in electrophotography.