Title:
軟磁性合金および磁性部品
Document Type and Number:
Japanese Patent JP7230968
Kind Code:
B2
Abstract:
To provide a soft magnetic alloy or the like having both of a high saturation magnetic flux density Bs and high corrosion resistance.SOLUTION: The inventive soft magnetic alloy comprises a component represented by the compositional formula: ((Fe(1-(α+β)CoαNiβ)1-γX1γ)(1-(a+b+c+d+e))BaPbSicCdCre (atom number ratio) and Mn, where X1 represents at least one element selected from Ti, Zr, Hf, Nb, Ta, Mo, W, Al, Ga, Ag, Zn, S, Ca, Mg, V, Sn, As, Sb, Bi, N, O, Au, Cu, a rare earth element and a platinum-group element, a to e and α to γ fall within specified ranges, 0.002≤f<3.0 holds with f (at%) representing the content of Mn, the corrosion potential is -630 to -50 mV inclusive, and the corrosion current density is 0.3 μA/cm2 to 45 μA/cm2 inclusive.SELECTED DRAWING: Figure 5
Inventors:
Kazuhiro Yoshidome
Hiroyuki Matsumoto
Akito Hasegawa
Hiroshi Kumaoka
Hiroyuki Matsumoto
Akito Hasegawa
Hiroshi Kumaoka
Application Number:
JP2021142723A
Publication Date:
March 01, 2023
Filing Date:
September 01, 2021
Export Citation:
Assignee:
tdk Corporation
International Classes:
C22C38/00; C22C19/07; C22C45/02; H01F1/153
Domestic Patent References:
| JP2018083984A | ||||
| JP2018123424A | ||||
| JP2012012699A | ||||
| JP2008231462A | ||||
| JP7090515A | ||||
| JP2010212442A | ||||
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Foreign References:
| CN104593666A |
Attorney, Agent or Firm:
Maeda Suzuki International Patent Attorneys Corporation