Composition dependence of the glass-forming ability and soft magnetic properties of Fe-rich Fe–Nb–B ternary alloys

Author:

Zhu Man1,Tao Peng1,Yao Lijuan1,Jian Zengyun1,Chang Fang'e1

Affiliation:

1. 1School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an, Shaanxi, P.R. China

Abstract

AbstractThe glass formation, crystallization behavior, and soft magnetic properties of Fe80−xNbxB20 (x = 3, 6, and 9) and Fe82.5−yNbyB17.5 (y = 3.5, 5, 6, and 7) metallic glasses prepared by melt spinning were investigated. Differential scanning calorimetry analysis indicated that an increased Nb content results in increased thermal stability and glass-forming ability for both Fe80−xNbxB20 and Fe82.5−yNbyB17.5 glassy alloys. The supercooled liquid region increases from 26 to 50 K for Fe80−xNbxB20 alloys and from 32 to 48 K for Fe82.5−yNbyB17.5 alloys. Magnetic measurements reveal that saturation magnetization ranges from 65 to 137 emu g−1 for Fe80−xNbxB20 glassy alloys and varies from 91 to 121 emu g−1 for Fe82.5−yNbyB17.5 glassy alloys. The superior magnetic properties, high glass-forming ability, and low cost of raw materials make the current Fe–Nb–B ternary alloys promising for potential applications in the electronics industry.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

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