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Magnetic Permeability Behaviors of FeCo Micro Hollow Fiber Composites

Title
Magnetic Permeability Behaviors of FeCo Micro Hollow Fiber Composites
Author
김종렬
Keywords
soft magnetic composite; hollow fibers; magnetic permeability; eddy current; NOISE SUPPRESSION; FILMS
Issue Date
2015-09
Publisher
KOREAN INST METALS MATERIALS
Citation
ELECTRONIC MATERIALS LETTERS, v. 11, No. 5, Page. 782-787
Abstract
To achieve near-field electromagnetic wave absorption in the 1 - 10 GHz region, magnetic particles with high saturation magnetization (M-S) and high anisotropy field (H-a) have been widely used to fabricate composite sheets. Unlike for M-S, H-a can easily be controlled by managing the shape of the magnetic particles. Thus, hollow fibers with high H-a appear to be a good candidate material for fabricating high frequency absorbing sheets. However, the details of frequency dependent permeability behaviors of these fibers and sheets have not been fully understood. In this study, we aimed to develop a simulation method by which to study the magnetic permeability of the fibers and sheets. To confirm the validity of the simulation method, FeCo hollow fibers were fabricated using electroless deposition on micro polymer fibers, after which they were incorporated into composite sheets. The magnetic behavior of the sheets was also analyzed.
URI
https://link.springer.com/article/10.1007/s13391-015-4500-8http://hdl.handle.net/20.500.11754/39270
ISSN
1738-8090; 2093-6788
DOI
10.1007/s13391-015-4500-8
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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