Medium-range order structure of FeNiGaB alloys with good soft magnetic properties
Source abstract
Abstract
In this paper, Fe 40Ni 38Mo 4B 18 and Fe 40Ni 38Ga xB 22- x ( x =4, 6, 8 and 10) ribbons have been fabricated using the melt spinning method, and the effects of annealing temperature on the microstructure and magnetic properties have been investigated. Unlike the coarse grains of γ-(Fe, Ni) phase in annealed Fe 40Ni 38Mo 4B 18 ribbon, extremely refined nanostructure was found in the annealed Fe 40Ni 38Ga xB 22- x ( x=4, 6, 8 and 10) ribbons, owing to that the charge transfer between Fe, Ni and Ga raised the binding forces of the atoms and thus greatly inhibited atoms diffusion. The novel nanostructure was identified as a single γ-(Fe, Ni, Ga) phase, in which a medium-range order structure and the conventional nano-grains were formed together. The soft magnetic properties were improved due to the grain refinement. Besides, the formation of the medium-range order structure in the alloys could have the great potential to inhibit the influence of the aging process on the soft magnetic properties.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Magnetic properties of thin films · Magnetic Properties of Alloys
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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