Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jmmm.2006.01.014
Title: Influence of demagnetizing field on the permeability of soft magnetic composites
Authors: Lin, G.Q. 
Li, Z.W. 
Chen, L. 
Wu, Y.P. 
Ong, C.K. 
Keywords: Demagnetizing factor
Demagnetizing field
Effective permeability
Soft magnetic composites
Issue Date: Oct-2006
Citation: Lin, G.Q., Li, Z.W., Chen, L., Wu, Y.P., Ong, C.K. (2006-10). Influence of demagnetizing field on the permeability of soft magnetic composites. Journal of Magnetism and Magnetic Materials 305 (2) : 291-295. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmmm.2006.01.014
Abstract: The influence of demagnetizing field on the effective permeability of magnetic composites has been investigated. A theoretical expression of the effective permeability has been obtained and discussed according to four typical composites with spheres, needles, flakes, and aligned prolate ellipsoidal particles. The results indicate that the demagnetizing field within the particles can reduce the effective permeability significantly. In order to increase the effective permeability, it is necessary to decrease the demagnetizing field within the particles. A linear relationship between effective permeability and volume fraction is also observed for composites filled with spherical particles at low volume fraction. © 2006 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/111419
ISSN: 03048853
DOI: 10.1016/j.jmmm.2006.01.014
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