High frequency characterization of Galfenol minor flux density loops | Zendy

Ling Weng | Zendy; Weina Li | Zendy; Ying Sun | Zendy; Wenmei Huang | Zendy; Bowen Wang | Zendy

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High frequency characterization of Galfenol minor flux density loops

Author(s) -

Ling Weng,

Weina Li,

Ying Sun,

Wenmei Huang,

Bowen Wang

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4976579

Subject(s) - materials science , coercivity , magnetic flux , nuclear magnetic resonance , flux (metallurgy) , condensed matter physics , permeability (electromagnetism) , low frequency , magnetic field , frequency dependence , physics , chemistry , biochemistry , quantum mechanics , astronomy , membrane , metallurgy

This paper presents the first measurement of ring-shaped Galfenol’s high frequency-dependent minor flux density loops. The frequencies of applied AC magnetic field are 1k, 5k, 10k, 50k, 100k, 200k, 300k, 500 kHz. The measurements show that the cycle area between the flux density and magnetic field curves increase with increasing frequency. High frequency-dependent characterization, including coercivity, specific power loss, residual induction, and maximum relative permeability are discussed. Minor loops for different max induction are also measured and discussed at the same frequency 100 kHz. Minor loops with the same max induction 0.05 T for different frequencies 50, 100, 200, 300, 400 kHz are measured and specific power loss are discussed

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