综述了Sm2(Fe,M)17Nx永磁材料的最新研究进展, 介绍了Sm2(Fe,M)17Nx磁粉及磁体的制备技术, 说明用其他元素替换Sm或Fe对材料性能的影响, 以及粉末颗粒具有最佳的尺寸和形貌的重要性. 并指出放电等离子烧结技术(SPS)有望成为制备Sm2(Fe,M)17Nx致密磁体的一个有效方法.
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