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简述了Ｓｍ２Ｆｅ（１７）Ｎｘ化合物的结构与内禀磁性能，着重回顾了Ｓｍ２Ｆｅ（１７）Ｎｘ永磁合金粉及其磁体的制备工艺发展现状，并展望了Ｓｍ２Ｆｅ（１７）Ｎｘ永磁体的发展前景。
The structure and intrinsic magnetic properties of Sm2Fe (17) Nx compounds are briefly reviewed. The development of the preparation process of Sm2Fe (17) Nx permanent magnetic alloy powders and their magnets is reviewed. The development of Sm2Fe (17) Nx permanent magnets prospect.