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首页> 外文期刊>Journal of Materials Engineering and Performance >Study of Structure and Properties of Fe-Based Amorphous Ribbons after Pulsed Laser Interference Heating
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Study of Structure and Properties of Fe-Based Amorphous Ribbons after Pulsed Laser Interference Heating

机译：脉冲激光干扰加热后Fe基非晶带的结构与性能研究

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摘要

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(alpha) 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.
机译：本文研究了干涉脉冲激光加热后铁基非晶薄带的微观结构和磁性能。对三元非晶合金FeSiB，以及多组分合金FeCuSiB和FeCuNbSiB进行激光脉冲处理，以在多个微岛上同时诱导晶化。激光加热点的结构和性能发生了变化。单点的详细TEM分析表明，非晶基体中存在FeSi（α）纳米晶体。FeSiB合金在常规结晶后具有树枝状结构；然而，添加铜以及铜和铌的合金的特征是在非晶基体中形成等轴晶体。激光加热前后的非晶态合金具有软磁性；然而，常规结晶会导致材料的软磁性能恶化。

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