Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials

摘要

An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe1-aQa)bBxTyT'z(I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below: 0