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Nd含量对高Zr含量纳米双相NdxFe90.5-xZr3.0B6.5合金微结构和磁性能的影响
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TM273

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国家自然科学基金资助项目(50471041)


Effect of Nd Content on Magnetic Properties and Microstructure of NdxFe90.5-xZr3.0B6.5 Nanocomposite Magnets with the Big Zr Content
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    摘要:

    采用电弧炉快淬和晶化退火工艺制备高性能NdxFe90.5-xZr3.0B6.5(F8.5=11.5)快淬磁体。结果表明,Zr的添加显著提高磁体的磁性能,Nd含量可以明显提高磁体的磁性能,X由8.5增加到10.5时,NdxFe90.5-xZr3.0B6.5磁体的磁能积由75kJ/m^3升高到114kJ/m^3,接近于美国Magnequench公司的MQP-B磁粉性能。

    Abstract:

    High performance NdxFe90.5-x Zr3.0B6.5(x=8.5~11.5)ribbons were produced by arc melt spinning and then annealing.It is found that a proper amount of Nd addition can obviously optimize the magnetic properties of the samples.The energy product of NdxFe90.5-xZr3.0B6.5 ribbons is increased from 75 kJ/m3 for x=8.5 to 114 kJ/m3 for x=10.5 which is closed to that of America MQP-B magnets.In addition,it can be seen that Zr dopants can significantly improve the magnetic properties of the ribbons.

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严密 王晨 张文勇 马建勋 杨德仁. Nd含量对高Zr含量纳米双相NdxFe90.5-xZr3.0B6.5合金微结构和磁性能的影响[J].稀有金属材料与工程,2006,35(3):337~339.[Yan Mi, Wang Chen, Zhang Wcnyong, Ma Jianxun, Yang Deren. Effect of Nd Content on Magnetic Properties and Microstructure of NdxFe90.5-xZr3.0B6.5 Nanocomposite Magnets with the Big Zr Content[J]. Rare Metal Materials and Engineering,2006,35(3):337~339.]
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  • 收稿日期:2004-12-06
  • 最后修改日期:2005-05-23
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