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首页> 外文期刊>Journal of nano research >Effects of a Partial Substitution of Fe by Al on Nanostructure and Magnetic Properties of (Nd, Pr)-( Fe, Co)-B Alloys Prepared by Mechanical Alloying
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Effects of a Partial Substitution of Fe by Al on Nanostructure and Magnetic Properties of (Nd, Pr)-( Fe, Co)-B Alloys Prepared by Mechanical Alloying

机译：Al部分取代Fe对机械合金化制备（Nd，Pr）-（Fe，Co）-B合金的纳米结构和磁性的影响

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摘要

In this study, Nanocrystalline Nd8Pr2Fe79-xCo5B6Alx (x = 0, 1, 2, 3) magnets were prepared by mechanical alloying method and respective heat treatment in a constant time and temperature. Afterward, the effects of the Al addition on the microstructure and magnetic properties of Nd-Fe-Co-B alloy were studied. The changes in the nanostructure and magnetic properties were examined by X-Ray diffraction (XRD), combined with Field Emission Scanning electron microscopy (FeSEM) and vibrating sample magnetometer (VSM). Addition of Al was found to be effective for improving the coercivity parameter and the hysteresis squareness in Nd-Fe-Co-B magnets without decreasing much the remanent magnetization.
机译：在这项研究中，纳米晶Nd8Pr2Fe79-xCo5B6Alx（x = 0、1、2、3）磁体是通过机械合金化方法并在恒定的时间和温度下分别进行热处理而制备的。然后，研究了Al添加对Nd-Fe-Co-B合金组织和磁性能的影响。通过X射线衍射（XRD）结合场发射扫描电子显微镜（FeSEM）和振动样品磁力计（VSM）来检查纳米结构和磁性能的变化。发现添加Al对于改善Nd-Fe-Co-B磁体中的矫顽力参数和磁滞矩形性是有效的，而不会大大降低剩余磁化强度。

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