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首页> 外文期刊>Journal of optoelectronics and advanced materials >Study of nanocrystallization process in FeCrCuNbSiB amorphous alloys by Young's modulus measurements
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Study of nanocrystallization process in FeCrCuNbSiB amorphous alloys by Young's modulus measurements

机译：杨氏模量法研究FeCrCuNbSiB非晶合金的纳米晶化过程

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摘要

This paper presents the influence of nanocrystallization process on magnetic field dependence of Young's Modulus of Fe74-xCrxCu1Nb3Si13B9 (x=0, 2, 4, 8, 11) alloys. The samples were annealed between 450 degrees C and 600 degrees C for 1 hour under argon atmosphere to induce various nanocrystalline fractions. The variation in the microstructure upon annealing was examined by the X-ray spectrum data. Samples annealed at 500 degrees C or at higher temperature showed nanocrystalline alpha-Fe (Si) phase embedded in amorphous matrix. It was observed that the magnitude of field dependence of Young's modulus varies from 40% to a nearly zero as the saturation magnetostriction is reduced by nano size alpha-Fe(Si) grains. The results are interpreted partly in terms of internal stress relief and reduced magnetostriction in nanocrystalline samples.
机译：本文介绍了纳米晶化过程对Fe74-xCrxCu1Nb3Si13B9（x = 0，2，4，8，11）合金的杨氏模量的磁场依赖性的影响。将样品在氩气气氛下于450摄氏度至600摄氏度之间退火1小时，以诱导出各种纳米晶体级分。通过X射线光谱数据检查了退火时的微观结构的变化。在500摄氏度或更高温度下退火的样品显示，纳米晶α-Fe（Si）相嵌入非晶基质中。观察到，随着纳米尺寸的α-Fe（Si）晶粒降低了饱和磁致伸缩，杨氏模量的场依从性大小从40％变化到几乎为零。结果部分解释为内部应力释放和纳米晶样品磁致伸缩降低。

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