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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Influence of niobium on laser de-vitrification of Fe-Si-B based amorphous magnetic alloys
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Influence of niobium on laser de-vitrification of Fe-Si-B based amorphous magnetic alloys

机译：铌对Fe-Si-B基非晶磁性合金激光失透的影响

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摘要

Laser annealing of Fe77.5Si13.5B9 and Fe76.5Si13.5B9Cu1 amorphous melt-spun ribbons was carried out. In both alloys, it was found that devitrification occurred, leading to the nucleation of a high density of refined alpha-Fe(Si) nanocrystals within the amorphous matrix. Interestingly, when laser processed under identical conditions, Fe74.5Si13.5B9Nb3, and Fe73.5Si13.5B9Nb3Cu1 (FINEMET) amorphous melt-spun ribbons did not exhibit devitrification or copper clustering. Differences in the magnetic properties were observed, with the Fe77.5Si13.5B9 and Fe76.5Si13.5B9Cu1 alloys exhibiting higher saturation magnetization (M-S) and higher coercivity (H-C) values while Fe74.5Si13.5B9Nb3, and Fe73.5Si13.5B13.9Nb3Cu1 alloys exhibited lower values of both these properties. These results clearly reveal the enhanced stability of the amorphous phase due to the addition of Nb in Fe-Si-B based melt-spun samples. (c) 2015 Elsevier B.V. All rights reserved.
机译：对Fe77.5Si13.5B9和Fe76.5Si13.5B9Cu1非晶态熔纺薄带进行了激光退火。在两种合金中，都发现发生失透，导致非晶态基质内高密度的精制α-Fe（Si）纳米晶体成核。有趣的是，当在相同的条件下进行激光加工时，Fe74.5Si13.5B9Nb3和Fe73.5Si13.5B9Nb3Cu1（FINEMET）非晶态熔纺带材不会出现失透或铜团簇。观察到磁性的差异，Fe77.5Si13.5B9和Fe76.5Si13.5B9Cu1合金表现出更高的饱和磁化（MS）和更高的矫顽力（HC）值，而Fe74.5Si13.5B9Nb3和Fe73.5Si13.5B13。 9Nb3Cu1合金均显示出较低的两种性能。这些结果清楚地表明由于在基于Fe-Si-B的熔纺样品中添加了Nb，非晶相的稳定性得到了增强。 （c）2015 Elsevier B.V.保留所有权利。

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