It is found that the microstructure of SPS Nd-Fe-B magnet has fine and uniform grain and the Nd-rich phase does not form along the grain boundaries of Nd2Fe14B, but agglomerates on the triple junctions.

 
  • 結果表明,與傳統燒結NdFeB磁體相比,新型磁體的顯微組織特征為:主相Nd2Fe14B晶粒細小、均勻,富釹相在主相晶界上分布較少, 主要集中在三角晶界處。
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