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高微观均匀度热变形纳米晶稀土永磁材料及其制备方法
Authors
唐旭
姚懿容
+6 more
李明
王泽轩
闫阿儒
陈仁杰
陈国新
靳朝相
Publication date
12 December 2017
Publisher
Abstract
本发明公开了一种高微观均匀度热变形纳米晶稀土永磁材料及其制备方法。所述的制备方法包括:分别提供快淬粉以及h‑BN悬浮液,其中所述h‑BN悬浮液中的h‑BN纳米微片具有六方晶型结构,且具有形状各向异性,所述h‑BN纳米微片具有三维片状结构,尤其具有纳米级厚度、微米级长度和宽度;将所述快淬粉与所述h‑BN悬浮液混合均匀,并干燥,得到具有h‑BN纳米片均匀附着的快淬粉,之后依次进行热压成型及热变形成型,得到高微观均匀度热变形纳米晶稀土永磁材料。本发明的制备方法采用h‑BN悬浮液与快淬粉直接混合并旋转蒸发,实现了h‑BN纳米片在快淬粉表面均匀附着,得到的所述高微观均匀度热变形纳米晶稀土永磁材料的综合磁性能优异
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Last time updated on 22/01/2018