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不同快淬速度对Nd8Fe85Mo1B6磁性的影响

阴津华 计齐根 金志强 唐少龙 章建荣 都有为

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不同快淬速度对Nd8Fe85Mo1B6磁性的影响

阴津华, 计齐根, 金志强, 唐少龙, 章建荣, 都有为

Effect of Different Wheel Speed on Magnetic Properties of Nd8Fe85Mo1B6

Yin Jin-Hua, Ji Qi-Gen, Jin Zhi-Qiang, Tang Shao-Long, Zhang Jian-Rong, Du You-Wei
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  • 通过直接快淬制备了不同淬速的Nd8Fe85Mo1B6样品.由振动样品磁强计测量的结果发现,快淬速度对样品的磁性有很大的影响.对样品进行X射线衍射和热磁分析发现,随着淬速的增加样品中的TbCu7相增多,同时软磁相的晶粒尺寸降低,认为样品的相组成和晶粒尺寸的变化是其磁性存在差异的原因.
    The melt-spun ribbons of Nd8Fe85Mo1B6 have been prepared by directly rapid quenching at different wheel speeds. From the result of vibrating sample magnetometer measurement, we found that the magnetic properties of the ribbons are dependent on the wheel speed. X-ray diffraction and thermomagnetic analysis were also used to investigate microstructure and phase composition of the samples. The result shows that the TbCu7 phase increases with increasing wheel speed; at the same time, a decreased grain size of the α-Fe phase is observed. The change of magnetic properties is due to the change of phase composition and grain size of the samples.
    • 基金项目: 国家攀登计划(纳米材料科学)(批准号:NMS-07)资助的课题.
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  • 文章访问数:  4546
  • PDF下载量:  360
  • 被引次数: 0
出版历程
  • 收稿日期:  1999-06-10
  • 修回日期:  1999-08-12
  • 刊出日期:  2006-09-06

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