SOFT MAGNETIC ALLOY AND MAGNETIC DEVICE

• Main Authors: AKITO HASEGAWA, SEIGO TOKORO, HIROYUKI MATSUMOTO, KENJI HORINO, KAZUHIRO YOSHIDOME, AKIHIRO HARADA, KENSUKE ARA, HAJIME AMANO
• Format: Patent
• Language: Chinese; English
• Published: 07.08.2018
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INDUCTANCES; MAGNETS; METALLURGY; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A soft magnetic alloy comprising a main component having a compositional formula of ((Fe (i-(alpha+beta)) X1 alpha X2 beta ) (1-(a+b+c)) M a B b Cr c ) 1-d C d , and a sub component including at leastP, S and Ti, wherein XI is one or more selected from the group consisting Co and Ni, X2 is one or more selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi and rare earth elements, Mis one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W and V, 0.030 <= a <= 0.14, 0.005 <= b <= 0.20, 0 < c <= 0.040, 0 <= d <= 0.040, alpha >= 0, beta >= 0, and 0 <= alpha + beta<= 0.50 are satisfied, when entire said soft magnetic alloy is 100 wt%, a content of said P is 0.001 to 0.050 wt%, a content of said S is 0.001 to 0.050 wt%, and a content of said Ti is 0.001 to 0.080wt%, and when a value obtained by dividing the content of said P by the content of said S is P/S, then P/S satisfies 0.10 <= P/S <= 10. 种软磁性合金，其利用由组成式((FeX1X2)MBCr)C构成的主成分、以及至少含有P、S及Ti的副成分构成。X1为选自Co及Ni中的1种以上，X2为选自Al、Mn、Ag、Zn、Sn