对Nd2Fe14B/α-F基纳米交换耦合磁体进行了磁场热处理的研究.研究发现:退火温度在硬磁相居里点附近时(300~400 ℃)有明显的处理效果;磁场处理可加强磁性相之间的耦合,提高磁体的矯顽力和剩磁比;磁场可以引发晶粒间的相对滑动和调整;低熔点金属In的少量添加有助于在外加磁场中晶粒的转动.
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