Segregation of W in Nd-Fe-B magnets and its effects on coercivity

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	Segregation of W in Nd-Fe-B magnets and its effects on coercivity
	Yan, A ; Song, XP ; Wang, XT
刊名	IEEE TRANSACTIONS ON MAGNETICS
	2000
卷号	36 期号:4 页码:2033
关键词	MICROSTRUCTURE ADDITIVES
ISSN号	0018-9464
通讯作者	Yan, A (reprint author), Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, POB 603, Beijing 100080, Peoples R China.
中文摘要	The coercivity of sintered Nd-22 Fe71B7 magnets with the combined addition of Al and W was investigated to study the role of additive elements in improving the coercivity in the NdFeB system. It was found that the coercivity could be greatly enhanced by the Al and W combined addition. Microstructural studies show that the alloying element W would preferentially segregate on the surface region of the main phase grain when added into the magnets together with Al, leading to a significant enhancement of coercivity. Further, thermodynamic analysis reveals that the segregation of W could be attributed to inhomogeneous nucleating on the surface region of the main phase grains during cooling.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/52380]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Yan, A,Song, XP,Wang, XT. Segregation of W in Nd-Fe-B magnets and its effects on coercivity[J]. IEEE TRANSACTIONS ON MAGNETICS,2000,36(4):2033.
APA	Yan, A,Song, XP,&Wang, XT.(2000).Segregation of W in Nd-Fe-B magnets and its effects on coercivity.IEEE TRANSACTIONS ON MAGNETICS,36(4),2033.
MLA	Yan, A,et al."Segregation of W in Nd-Fe-B magnets and its effects on coercivity".IEEE TRANSACTIONS ON MAGNETICS 36.4(2000):2033.