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磁场热处理对NdFeB非晶快淬粉末的晶化与磁性的影响
EFFECT OF MAGNETIC FIELD TREATMENT ON CRYSTALLIZATION AND MAGNETIC PROPERTIES OF MELT-SPUN NdFeB POWDERS
【摘要】 研究了外加磁场对非晶Nd5.5Fe66B18.5Cr5CO5、Nd4.5Fe77B18.5和Nd10.5Fe70B7.0Zr2.5Co10粉末的晶化与磁性的影响发现在热处理过程中加外磁场可促进快淬非品粉末的晶化,使相转变在较低的温度下进行、讨论了各向导性复合纳米永磁材料可能的制备方法.
【Abstract】 Effect of magnetic field treatment on crystallization and magnetic properties of melt-spun Nd5.5Fe66B18.5Cr5Co5.Nd4.5Fe77B18.5 and Nd10.5Fe70B7.0Zr2.5Co10 powders were inves- tigated. Results show that an externally applied magnetic field during heat treatment of a melt-spun nanocomposite magnet can promote crystallization from amorphous State and increase the maximumeneny product. The stronger the applied magnetic field, the lower the crystallization temperature. The way to produce anisotropic NdFeB nanocomposite permanent magnet was also proposed.
【关键词】 复合纳米永磁材料;
快淬;
磁场;
晶化;
磁性;
【Key words】 nanocomposite permanent magnet; melt-spinning; magnetic field treatment; crystallization; magnetic properties;
【Key words】 nanocomposite permanent magnet; melt-spinning; magnetic field treatment; crystallization; magnetic properties;
- 【文献出处】 材料研究学报 ,CHINESE JOURNAL OF MATERIAL RESEARCH , 编辑部邮箱 ,1998年05期
- 【分类号】TB383
- 【被引频次】19
- 【下载频次】223