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Abstract:
采用高能球磨法制得SmCo7-xFex非晶粉末,然后采用放电等离子技术将其烧结为块状纳米晶磁体,对磁体的微观结构和磁性能进行了观察和测试.结果表明,SmCo7-xFex球磨5 h后成为非晶粉末,经SPS烧结后得到1:7相.TEM观察表明,磁体晶粒尺寸在20~50 nm.另外,磁体具有较好的磁性能,当x=0.4时,矫顽力为992.8 kA/m,剩磁为0.634T,(BH)max为69.75KJ/m3.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2009
Issue: 1
Volume: 38
Page: 161-163
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:4
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ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 1
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30 Days PV: 0
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