软磁性合金及磁性部件

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A soft magnetic alloy including a composition having a formula of ((Fe(1-([alpha]+[beta]))X1[alpha]X2[beta])(1-(a+b+c+d+e))MaBbPcCrdCue)1-fCf. X1 is one or more elements selected from a group of Co and Ni. X2 is one or more elements selected from a group of W, Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O, and rare earth elements. M is one or more elements selected from a group of Nb, Hf, Zr, Ta, Ti, Mo, and V. 0.030 ≤ a ≤ 0.14, 0.028 ≤ b ≤ 0.20, 0 < c ≤ 0.014, 0 < d ≤ 0.040, 0 ≤ e ≤ 0.030, 0 ≤ f ≤ 0.040, [alpha] ≥ 0, [beta] ≥ 0, and 0 ≤ [alpha]+[beta] ≤ 0.50 are satisfied.