Effect of solidification process on magnetic properties of Nd-based bulk amorphous forming alloy

IMECH-IR > 力学所知识产出(1956-2008)

	Effect of solidification process on magnetic properties of Nd-based bulk amorphous forming alloy
	Wei BC(魏炳忱); Wang WH; Yu GS; Li WH; Sun YF; Wang YR(王育人); Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
会议录名称	ISMANAM 2003: METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS
	2004
会议名称	10th International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials (ISMANAM 2003)
会议日期	AUG 24-28, 2003
会议地点	Foz do Iguacu, BRAZIL
摘要	The magnetic behavior and structure of Nd60Al10Fe20Co10 bulk amorphous forming alloy prepared under a wide cooling rate, from 1 K/s to 105 K/s, by means of fluxing method, drop tube, suction casting and melt-spinning were studied. The samples achieved by suction casting, melt-spinning and drop tube undergo a cooling rate larger than 30 K/s, and comprise a large fraction of amorphous phase. Samples produced by fluxing method with the cooling rate in the magnitude of 1 K/s are fully crystallized. The room temperature hysteresis loops of the samples with high cooling rate show one ferromagnetic phase, which decomposes upon crystallization of the amorphous phase at about 750 K. The drop tube and fluxing samples exhibit two-phase hysteresis loops at room temperature, and the hard magnetic phase is found stable upon heating to 773 K. The crystalline hard magnetic phase in the slowly cooled sample shows comparable coercivity and Curie temperature with that of the metastable ferromagnetic phase in the amorphous alloys. These trends suggest that all phases have a similar local structure and chemical composition.
WOS记录号	WOS:000223641200108
ISBN号	0-87849-944-X
收录类别	CPCI-S
语种	英语
引用统计
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/58914
专题	力学所知识产出(1956-2008)
通讯作者	Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
推荐引用方式 GB/T 7714	Wei BC,Wang WH,Yu GS,et al. Effect of solidification process on magnetic properties of Nd-based bulk amorphous forming alloy[C]ISMANAM 2003: METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS,2004.

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