王帅,雍辉,侯卫宵,马江微,崔燕,王志成

• 1:太原科技大学材料科学与工程学院

摘要(Abstract)：

高性能2∶17型SmCo永磁体的磁性能和其微结构密切相关。通过优化Cu含量以及微结构制备出最大磁能积((BH)_(max))为32.88MGOe的高性能SmCo永磁体，并且磁体具有较高内禀矫顽力(H_(cj)).研究了磁体内禀矫顽力和微结构的关联。研究表明，随着Cu含量增加，磁体剩磁B_r逐渐减小，H_(cj)逐渐增大。Cu含量对Sm(Co_(bal)Cu_xFe_(0.285)Zr_(0.023))_(7.6)(x=0.051、0.062、0.073)磁体胞尺寸和片状相密度几乎没有影响，但随着Cu含量由0.051增加到0.073,胞壁处峰值Cu浓度明显增大，这是磁体内禀矫顽力增强的主要原因。

关键词(KeyWords)： Sm_2Co_(17)型烧结永磁体;Cu含量;微观结构;磁性能

Abstract:

Keywords:

基金项目(Foundation): 太原科技大学博士科研启动基金(20202041)

作者(Author): 王帅,雍辉,侯卫宵,马江微,崔燕,王志成

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