柳昆,王书桓,冯运莉,赵定国.Nd2Fe14B/α-Fe永磁材料中软磁相晶粒尺寸及其含量的确定[J].稀有金属材料与工程,2019,48(7):2215~2219.[Liu Kun,Wang Shu-huan,Feng Yun-li,Zhao Ding-guo.Determination of Size and Content of Soft Magnetic Phase Grain in Nd2Fe14B/α-FePermanent Magnetic Material[J].Rare Metal Materials and Engineering,2019,48(7):2215~2219.]
Nd2Fe14B/α-Fe永磁材料中软磁相晶粒尺寸及其含量的确定
投稿时间:2018-01-30  修订日期:2018-03-22
中文关键词:  纳米双相永磁材料  晶间交换耦合  晶粒尺寸  相含量
基金项目:国家自然基金 编号51574104,河北省研究生创新资助项目(2017B04)
中文摘要:
      在前人对Nd2Fe14B/α-Fe永磁材料中软磁相晶粒尺寸及其含量的实验结果和分析的基础上,通过建立简单模型进一步证明并相对精确的计算了双相纳米复合永磁材料中软磁相晶粒尺寸及软磁相的含量范围。综合分析得出Nd2Fe14B/α-Fe永磁材料获得最优磁性能时的软磁相尺寸~8nm,软磁相含量~40%。该数据为FePt / Fe3O4和Sm2Fe17N3/α-Fe等其它双相纳米复合永磁材料最有磁性能对晶粒尺寸及其含量的要求在理论上奠定了基础。
Determination of Size and Content of Soft Magnetic Phase Grain in Nd2Fe14B/α-FePermanent Magnetic Material
英文关键词:nano two-phase permanent magnet material  intergranular exchange coupling  grain size  Phase content
英文摘要:
      Based on the experimental results and analysis of grain size and content of soft magnetic phase in Nd2Fe14B/α-Fe permanent magnetic material,simple models were established to give a further evidence and relatively accurate result of grain size and content of soft magnetic phase in two-phase nanometer composite permanent magnetic materials. The comprehensive analysis shows, when obtain the optimal magnetic of Nd2Fe14B/α-Fe permanent magnetic material, the size of soft magnetic phase ~ 8 nm, and the content ~ 40%. The data lay a foundation in theory for the requirement of grain size and phase content to obtain the optimal magnetic of two-phase nanometer composite permanent magnetic materials, FePt / Fe3O4 and Sm2Fe17N3/α-Fe for example.
作者单位E-mail
柳昆 华北理工大学 冶金与能源学院 79890799@qq.com 
王书桓 华北理工大学 冶金与能源学院  
冯运莉 华北理工大学 冶金与能源学院  
赵定国 华北理工大学 冶金与能源学院  
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