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Author:

许刚 (许刚.) | 潘利军 (潘利军.) | 李杨超 (李杨超.) | 张东涛 (张东涛.) (Scholars:张东涛) | 岳明 (岳明.) (Scholars:岳明) | 张久兴 (张久兴.)

Abstract:

采用放电等离子烧结(SPS)技术制备了致密纳米晶 SmCo_5烧结磁体,研究了磁体的结构和磁性能.X 衍射结果表明,烧结磁体具有 CaCu_5结构,说明 SPS 过程可以获得稳定的1:5相.TEM 观察显示,磁体由平均晶粒尺寸约为30nm 的1:5相构成.室温时磁体的矫顽力高达2208kA/m,而剩磁比高达0.7,说明在纳米晶之间存在强烈的晶间交换耦合作用.烧结磁体具有良好的高温性能,773K 时的矫顽力为456kA/m,矫顽力温度系数β为—0.212%/K.

Keyword:

SmCo 烧结磁体 SPS

Author Community:

  • [ 1 ] 北京工业大学新型功能材料教育部重点实验室

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Source :

Year: 2007

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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