Influences of axial field upon circular magnetization and eddy-current anomaly factor in Fe-based nanocrystalline wire
✍ Scribed by Li, Y. F. ;Vázquez, M.
- Book ID
- 105366230
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 452 KB
- Volume
- 208
- Category
- Article
- ISSN
- 0031-8965
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✦ Synopsis
Abstract
Fe‐based soft magnetic wire with transverse magnetic anisotropy was obtained by stress current annealing. Its circular permeability, µ = µ′ – j__µ__″, has been determined from the measurements of impedance, Z = R + j__ωL__, as a function of frequency (f = 10 – 10^5^ Hz), AC current amplitude (I = 0.1 – 100 mA) and DC bias field (H = 0 – 5.4 kA/m). An experimental study of the influence of H upon the circular magnetization and the f‐dependent µ = µ′ – j__µ__″ has been performed. It is concluded that the axial field, H, evolution of the circular permeability, µ = µ′ – j__µ__″, the relaxation frequency, f~τ~, and the eddy‐current anomaly factor, η, can be explained in terms of the modification of domain structure by the applied axial field H.