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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Primary crystallization and hard magnetic properties of Nd60Al10Fe20Co10 metallic glasses
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Primary crystallization and hard magnetic properties of Nd60Al10Fe20Co10 metallic glasses

机译：Nd60Al10Fe20Co10金属玻璃的初晶和硬磁性能

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The primary crystallization in Nd60Al10Fe20Co10 ribbons and its effect on magnetic properties are investigated by means of DSC, x-ray diffraction, vibrating sample magnetometer and high-resolution electron microscope (HREM). The kinetic primary crystallization is found in the DSC traces of Nd60Al10Fe20Co10 ribbons and is invisible in annealed ribbons and as-cast rods. The amorphous feature of the as-spun ribbons is determined by HREM and is in accordance with the reduced glass transition temperature (about 0.52) of the alloy. Ribbons annealed at 473 K contain the same nano-scaled particles as those in as-cast rods and exhibit a coercivity higher than as-spun ribbons but much lower than as-cast rod. The enhanced coercivity of the ribbons depends strongly upon the primary crystallization, and the difference in coercivity between as-cast rods and annealed ribbons is attributed to the different volume fraction of the nano-scaled particles in the samples. [References: 22]
机译：通过DSC，x射线衍射，振动样品磁力计和高分辨率电子显微镜（HREM）研究了Nd60Al10Fe20Co10带中的初生结晶及其对磁性能的影响。在Nd60Al10Fe20Co10碳带的DSC痕迹中发现了动力学初生结晶，在退火的碳带和铸态棒中不可见。初生带的非晶态特征由HREM确定，并与合金降低的玻璃化转变温度（约0.52）一致。在473 K下退火的碳带包含与铸态棒中相同的纳米级颗粒，并显示出比初纺带更高的矫顽力，但远低于铸态棒。带的矫顽力的增强很大程度上取决于初次结晶，铸态棒和退火带之间的矫顽力差异归因于样品中纳米级颗粒的不同体积分数。 [参考：22]

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