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Study of Structure and Properties of Fe-Based Amorphous Ribbons after Pulsed Laser Interference Heating
Journal of Materials Engineering and Performance ( IF 2.3 ) Pub Date : 2020-09-15 , DOI: 10.1007/s11665-020-05109-w
Olaf Czyż , Jan Kusiński , Agnieszka Radziszewska , Zhongquan Liao , Ehrenfried Zschech , Małgorzata Kąc , Roman Ostrowski

The paper is devoted to the study of microstructural and magnetic properties of the Fe-based amorphous ribbons after interference pulsed laser heating. The ternary amorphous alloy FeSiB, as well as the multi-component alloys FeCuSiB and FeCuNbSiB, was subjected to laser pulses to induce crystallization in many microislands simultaneously. Structure and properties changes occurred in laser-heated dots. Detailed TEM analysis from a single dot shows the presence of FeSi(α) nanocrystals in the amorphous matrix. The FeSiB alloy is characterized after conventional crystallization by a dendritic structure; however, the alloys with copper as well copper and niobium additions are characterized by the formation of equiaxed crystals in the amorphous matrix. Amorphous alloys before and after the laser heating are soft magnetic; however, conventional crystallization leads to a deterioration of the soft magnetic properties of the material.



中文翻译:

脉冲激光干涉加热后铁基非晶带的结构和性能研究

本文专门研究干扰脉冲激光加热后的铁基非晶带的微观结构和磁性。将三元非晶态合金FeSiB以及多组分合金FeCuSiB和FeCuNbSiB置于激光脉冲下,以同时在许多微岛上引起结晶。激光加热点发生结构和性能变化。从单个点进行的详细TEM分析显示,非晶基质中存在FeSi(α)纳米晶体。FeSiB合金在常规结晶后具有树枝状结构的特征。然而,具有铜以及铜和铌添加物的合金的特征在于在无定形基体中形成了等轴晶体。激光加热前后的非晶态合金是软磁性的。然而,

更新日期:2020-09-16
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