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.
Source PublicationISMANAM 2003: METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS
2004
Conference Name10th International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials (ISMANAM 2003)
Conference DateAUG 24-28, 2003
Conference PlaceFoz do Iguacu, BRAZIL
AbstractThe 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 IDWOS:000223641200108
ISBN0-87849-944-X
Indexed ByCPCI-S
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58914
Collection力学所知识产出(1956-2008)
Corresponding AuthorWei, BC (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
Recommended Citation
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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