Publication number: 20210313101
Abstract: Provided is a soft magnetic powder that can produce a dust core having excellent magnetic properties. The soft magnetic powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of FeaSibBcPdCueMf, where the M is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at %?a?84.5 at %, 0 at %?b<6 at %, 0 at %<c?10 at %, 4 at %<d?11 at %, 0.2 at %?e?0.53 at %, 0 at %?f?4 at %, a+b+c+d+e+f=100 at %, a particle size is 1 mm or less, and a median of circularity of particles constituting the soft magnetic powder is 0.4 or more and 1.0 or less.
Type:
Application
Filed:
July 25, 2019
Publication date:
October 7, 2021
Applicant:
JFE STEEL CORPORATION
Inventors:
Naoki YAMAMOTO, Takuya TAKASHITA, Makoto NAKASEKO, Akio KOBAYASHI, Akiri URATA, Miho CHIBA