HIGH MAGNETIC FLUX DENSITY SOFT-MAGNETIC IRON BASE AMORPHOUS ALLOY HAVING HIGH EXTENSIBILITY AND WORKABILITY

摘要

PROBLEM TO BE SOLVED: To provide a high magnetic flux density soft-magnetic iron base amorphous alloy which has relatively high glass forming performance, high saturation magnetic flux density of 1.60T or more, low coercive force, high efficient magnetic permeability, and preferable amorphous forming performance, excellent mechanical intensity, extensibility and workability in a high density iron base alloy composition area.;SOLUTION: The high magnetic flux density soft-magnetic iron base amorphous alloy comprises: iron; boron; silicon; and phosphorus as alloy elements, in which the alloy elements are represented by Fe_aB_bSi_cP_d, in which, when a, b, c, d are represented by atom percentage, the a, b, c, and d satisfy: 81≤a≤87, 7≤b≤10, 0d≤cc+db, and a+b+c+d≤100, and saturation magnetic flux density is 1.60T or more.;COPYRIGHT: (C)2015,JPO&INPIT