Abstract:
采用放电等离子烧结技术制备了块状纳米晶 SmCo_(7-x)Fe_x(x=0,0.4,1,2)烧结磁体,对磁体的微观结构和磁性能进行了观察和测试.X 衍射结果表明,烧结磁体具有 TbCu_7结构,说明 SPS 过程可以获得稳定的1: 7相.TEM 观察显示,磁体晶粒尺寸在20~50nm.磁体具有较好的磁性能,x=0.4时,矫顽力为992.8kA/m.剩磁为0.634T,(BH)_(max)为69.75kJ/m~3.
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Year: 2007
Language: Chinese
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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