NDLI: AC permeability of Fe-Co-Ge/WC/phenol magnetostrictive composites

Content Provider	IEEE Xplore Digital Library
Author	Kwang-Ho Shin Younghak Kim Sang-Ho Lim
Copyright Year	1965
Abstract	Polymer-bonded magnetostrictive composites of flake-type Fe-Co-Ge powder were fabricated and their complex permeability were characterized in the frequency range of 100-100 kHz using the modified ferrite core method. This alternating current (ac) permeability measurement method is firstly proposed in this study, and has some merits, such as easy handling and stress-free measuring. The WC powder, as a highly elastic material, with various amount of 0 wt%-30 wt% was added to form magnetostrictive composite to investigate high-frequency magnetic properties with measured permeability. The real part of permeability is almost constant with frequency varying. Also, the imaginary part of permeability increases exponentially with frequency increase. Both real and imaginary parts of permeability decrease with WC content increase to 20 wt%, but the composite of 30 wt% WC has larger permeability than that of 20 wt%.
Sponsorship	IEEE Magnetics Society
Starting Page	2784
Ending Page	2786
Page Count	3
File Size	108865
File Format	PDF
ISSN	00189464
Volume Number	41
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical wavelength conversion Magnetostriction Frequency Permeability measurement Powders Magnetic materials Polymers Ferrites Magnetic cores Current measurement stress-free measurement Alternating current (ac) permeability magnetostrictive composite
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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