Magnetostatic interactions  and forces between cylindrical permanent  magnets

David Vokoun; Marco Beleggia; L.Luděk Heller; Petr Šittner

doi:10.1016/j.jmmm.2009.07.030

Magnetostatic interactions and forces between cylindrical permanent magnets

David Vokoun, Marco Beleggia, L.Luděk Heller, Petr Šittner

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

Permanent magnets of various shapes are often utilized in magnetic actuators, sensors or releasable magnetic fasteners. Knowledge of the magnetic force is required to control devices reliably. Here, we introduce ananalytical expression for calculating the attraction force between two cylindrical permanent magnets on the assumption of uniform magnetization. Although the assumption is not fulfilled exactly in cylindrical magnets, we obtain a very good agreement between the calculated and measured forces between two identical cylindrical magnets and within an array of NdFeB cylindrical magnets. (C) 2009 Elsevier B.V. All rights reserved.

Original language	English
Journal	Journal of Magnetism and Magnetic Materials
Volume	321
Issue number	22
Pages (from-to)	3758-3763
ISSN	0304-8853
DOIs	https://doi.org/10.1016/j.jmmm.2009.07.030
Publication status	Published - 2009
Externally published	Yes

Keywords

Cylinder
Force measurement
Magnetostatic
Permanent magnet

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title = "Magnetostatic interactions and forces between cylindrical permanent magnets",

abstract = "Permanent magnets of various shapes are often utilized in magnetic actuators, sensors or releasable magnetic fasteners. Knowledge of the magnetic force is required to control devices reliably. Here, we introduce ananalytical expression for calculating the attraction force between two cylindrical permanent magnets on the assumption of uniform magnetization. Although the assumption is not fulfilled exactly in cylindrical magnets, we obtain a very good agreement between the calculated and measured forces between two identical cylindrical magnets and within an array of NdFeB cylindrical magnets. (C) 2009 Elsevier B.V. All rights reserved.",

keywords = "Cylinder, Force measurement, Magnetostatic, Permanent magnet",

author = "David Vokoun and Marco Beleggia and L.Lud{\v e}k Heller and Petr {\v S}ittner",

year = "2009",

doi = "10.1016/j.jmmm.2009.07.030",

language = "English",

volume = "321",

pages = "3758--3763",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

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TY - JOUR

T1 - Magnetostatic interactions and forces between cylindrical permanent magnets

AU - Vokoun, David

AU - Beleggia, Marco

AU - Heller, L.Luděk

AU - Šittner, Petr

PY - 2009

Y1 - 2009

N2 - Permanent magnets of various shapes are often utilized in magnetic actuators, sensors or releasable magnetic fasteners. Knowledge of the magnetic force is required to control devices reliably. Here, we introduce ananalytical expression for calculating the attraction force between two cylindrical permanent magnets on the assumption of uniform magnetization. Although the assumption is not fulfilled exactly in cylindrical magnets, we obtain a very good agreement between the calculated and measured forces between two identical cylindrical magnets and within an array of NdFeB cylindrical magnets. (C) 2009 Elsevier B.V. All rights reserved.

AB - Permanent magnets of various shapes are often utilized in magnetic actuators, sensors or releasable magnetic fasteners. Knowledge of the magnetic force is required to control devices reliably. Here, we introduce ananalytical expression for calculating the attraction force between two cylindrical permanent magnets on the assumption of uniform magnetization. Although the assumption is not fulfilled exactly in cylindrical magnets, we obtain a very good agreement between the calculated and measured forces between two identical cylindrical magnets and within an array of NdFeB cylindrical magnets. (C) 2009 Elsevier B.V. All rights reserved.

KW - Cylinder

KW - Force measurement

KW - Magnetostatic

KW - Permanent magnet

U2 - 10.1016/j.jmmm.2009.07.030

DO - 10.1016/j.jmmm.2009.07.030

M3 - Journal article

VL - 321

SP - 3758

EP - 3763

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 22

ER -