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首页> 外文期刊>Physica, B. Condensed Matter >Microstructure evolution in the rapidly quenched Fe78Si9B13 ribbons
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Microstructure evolution in the rapidly quenched Fe78Si9B13 ribbons

机译：快速淬火的Fe78Si9B13薄带的组织演变

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摘要

We report microstructure evolution in as-spun Fe78Si9B13 ribbons under various wheel speeds (s), which was investigated by X-ray diffraction (XRD), differential scanning calorimetry (DSC), and transmission electron microscopy (TEM). With decreasing s, the volume fraction of the residual amorphous phase (V-a) in the as-spun ribbons decreases gradually, and the total exothermic heat of the crystallization in the DSC curves also decreases, but the ratio of the exothermic heat of the second crystallization to the first one is on the contrary. alpha-Fe is found in the ribbon with s of 32.9 m/s, while alpha-Fe, eutectic alpha-Fe+Fe2B, and Fe3Si phases are found in ribbons with s of 25.6 and 18.3 m/s. The phase precipitating behavior in cooling processes is well consistent with the annealing process in the literatures.
机译：我们报告了在不同的车轮速度下纺出的Fe78Si9B13碳带的显微组织演变，这是通过X射线衍射（XRD），差示扫描量热法（DSC）和透射电子显微镜（TEM）研究的。随着s的减小，初生薄带中残余非晶态相（Va）的体积分数逐渐减小，DSC曲线中结晶的总放热也降低，但第二次结晶的放热之比与第一个相反。在带中发现的α-Fe的s为32.9 m / s，而在带中发现的α-Fe，共晶的α-Fe+ Fe2B和Fe3Si相的s分别为25.6和18.3 m / s。冷却过程中的相沉淀行为与文献中的退火过程非常一致。

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