New FeSiBPCCu amorphous/noncrystalline alloys with high saturation magnetic flux density and low coercivity
Source abstract
Abstract
In this work, we present a new kind of FeSiBPCCu amorphous/nanocrystalline alloys with superb comprehensive soft magnetic properties by mediating the alloy composition and process technology. Fe 84.3- xSi 1B 9.2P 5C 0.5Cu x ( x = 0, 0.2, 0.4, 0.5, 0.6, 0.8) with full amorphous structure can be prepared by melt-spun technology. Among them, Fe 84.3Si 1B 9.2P 5C 0.5 amorphous alloy annealed at 370℃ exhibits high saturation magnetic flux density ( B s) of 1.7 T and low coercivity ( H c) of 3.5 A/m. The appropriate addition of Cu is beneficial to the nucleation of α-Fe grains and inhibition of the precipitation of other compound phases. When added 0.8 at.% Cu and annealed at 470 ℃, the B s of Fe 83.5Si 1B 9.2P 5C 0.5Cu 0.8 nanocrystalline alloy reaches to 1.82 T. The perfect combination of high B s and low H c of the FeSiBPCCu amorphous/nanocrystalline alloys shows prospect to be applied for the power and electronic devices energy.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Magnetic Properties of Alloys · Electromagnetic wave absorption materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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