Frequency Dependence of Loss Behavior in Bonded Anisotropic Giant Magnetostrictive Materials

Author

Hao Meng ; Tianli Zhang ; Chengbao Jiang

Author_Institution

Sch. of Mater. Sci. & Eng., Beihang Univ., Beijing, China

Volume

50

Issue

9

fYear

2014

fDate

Sept. 2014

Firstpage

1

Lastpage

4

Abstract

The magnetic energy losses and their frequency dependence are investigated in the TbDyFe/epoxy giant magnetostrictive composites. The value of total loss is extremely low in the composite which is only 3.7% of the monolithic TbDyFe alloy at high frequency of 100 kHz under the peak magnetic induction of 10 mT. With the measured loss values, fitting formulas are suggested to deeply study the contributions of hysteresis loss and eddy current loss to the total loss. The dominant loss is hysteresis loss for the composite and eddy current loss for the monolithic TbDyFe alloy.

Keywords

composite materials; dysprosium alloys; eddy current losses; electromagnetic induction; ferromagnetic materials; giant magnetoresistance; iron alloys; magnetic hysteresis; magnetic leakage; magnetostriction; resins; terbium alloys; TbDyFe; TbDyFe-epoxy giant magnetostrictive composites; bonded anisotropic giant magnetostrictive materials; eddy current loss; frequency dependence; hysteresis loss; magnetic energy losses; magnetic induction; monolithic alloy; Eddy currents; Loss measurement; Magnetic hysteresis; Magnetic losses; Magnetostriction; Materials; Metals; Composites; TbDyFe; loss; magnetostriction;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2014.2314282

Filename

6780632