Soft magnetic alloy, magnetic core, and magnetic component
AssigneeTDK Corporation
InventorsKensuke Ara, Hajime Amano
Life of this patent
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Abstract
There is provided a soft magnetic alloy comprising a composition expressed by a formula of (Fe(1-α)Aα)(1-m-x-y)MmXxYy, in which M represents at least one selected from the group consisting of Zr and Hf, X represents at least one selected from the group consisting of Ni, Mn, Cu, Co, Al, and Ge, Y represents at least one selected from the group consisting of B, P, and Si, A represents at least one selected from the group consisting of Ti, V, Cr, Zn, Mg, Sn, Bi, O, N, S, and a rare earth element, m, x, y, and α satisfy relationships of 0.070≤m≤0.120, 0.001≤x≤0.030, 0≤y≤0.010, and 0≤α≤0.100, and the alloy contains Fe-based nanocrystals having an average crystal grain size of 30 nm or less.
Claims17
A soft magnetic alloy comprising a composition expressed by a formula of (Fe(1-α)Aα)(1-m-x-y)MmXxYy,
- wherein M represents at least one selected from the group consisting of Zr and Hf,
- X represents at least one selected from the group consisting of Ni, Mn, Cu, Co, Al, and Ge,
- Y represents at least one selected from the group consisting of B, P, and Si,
- A represents at least one selected from the group consisting of Ti, V, Cr, Zn, Mg, Sn, Bi, 0, N, S, and a rare earth element,
- m, x, y, and α satisfy relationships of
- 0.070≤m≤0.120,
- 0.001≤x≤0.030,
- 0≤y≤0.010, and
- 0≤α≤0.100, and
- the alloy comprises Fe-based nanocrystals having an average crystal grain size of 30 nm or less.
Dependencies are inferred from the claim text.