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Composition effect on high frequency properties of carbonyl-iron composites

Title
Composition effect on high frequency properties of carbonyl-iron composites
Author
김종렬
Keywords
composite material; magnetic materials; COMPLEX PERMEABILITY; DISPERSION; FERRITES; ZN
Issue Date
2008-02
Publisher
ELSEVIER SCIENCE BV
Citation
MATERIALS LETTERS, v. 62, No. 17-18, Page. 3043-3046
Abstract
Magnetic composite materials, composed of carbonyl iron powders and silicone resins, were fabricated to investigate the relationship between the magnetic property and composition. Their saturation magnetizations linearly increased from 2.29 to 9.15 kG with the volume fraction changes from 11 vol.% to 53 vol.%. However, the effective permeability did not show linear increment with the iron powder volume fraction because of non-magnetic boundary material. In order to predict the effective permeability of composite materials, a simple theoretical model has been proposed. The calculated permeability of the composite materials was mu(e) = mu(i)/mu(i)-3 root integral filler(mu(i)-1) which was in accord with the measured permeability. (c) 2008 Elsevier B.V All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0167577X08001493http://repository.hanyang.ac.kr/handle/20.500.11754/76795
ISSN
0167-577X
DOI
10.1016/j.matlet.2008.01.134
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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