Reducing the annealing heating rate sensitivity of Fe83.5Si3B10P2Cu1.5 soft magnetic nanocrystalline alloy by adjusting the melt spinning cooling rate

IF 3.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Science Pub Date : 2024-10-18 DOI:10.1007/s10853-024-10333-z

T. X. Huang, Q. Yan, F. G. Chen, H. Z. Zhou, Y. G. Wang

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Abstract

This work investigates the effect of the microstructure of the as-quenched precursors prepared at various cooling rates on the soft magnetic characteristics and its sensitivity to the annealing heat rate (HR) of the Fe_83.5Si₃B₁₀P₂Cu_1.5 nanocrystalline alloy. The results of Mössbauer spectra indicate that the cooling rate during the melt spinning process significantly impact the microstructure of as-quenched alloy samples. The decrease in the cooling rate facilitates the formation of an amorphous/nanocrystalline precursor containing more “α-Fe-like” structure and Cu-clusters. Variations of grain size and H_c with heating rate indicate that Fe_83.5Si₃B₁₀P₂Cu_1.5 alloy samples prepared at a low cooling rate are less sensitive to the heating rate during crystallization annealing. The Fe_83.5Si₃B₁₀P₂Cu_1.5 nanocrystalline alloy prepared at low cooling rate can achieve excellent soft magnetic properties with low HR annealing.

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通过调整熔融纺丝冷却速率降低 Fe83.5Si3B10P2Cu1.5 软磁纳米晶合金的退火加热速率敏感性

本研究探讨了不同冷却速率下制备的淬火前驱体的微观结构对 Fe83.5Si3B10P2Cu1.5 纳米晶合金软磁特性的影响及其对退火热速率（HR）的敏感性。莫斯鲍尔光谱结果表明，熔融纺丝过程中的冷却速率对淬火合金样品的微观结构有显著影响。冷却速率的降低有利于形成非晶/纳米晶前驱体，其中含有更多的 "α-Fe-like "结构和铜簇。晶粒大小和 Hc 随加热速率的变化表明，以低冷却速率制备的 Fe83.5Si3B10P2Cu1.5 合金样品在结晶退火过程中对加热速率的敏感性较低。低冷却速率制备的 Fe83.5Si3B10P2Cu1.5 纳米晶合金可通过低 HR 退火获得优异的软磁性能。

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.