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MAGNETISM OF MONOLITHIC AND PARTIALLY CRYSTALLIZED AMORPHOUS Al-Ni-Y ALLOYS
Gong Jing1; Yang Hongwang1; Yang Baijun2; Wang Ruichun1; Li Rongde1; Wang Jianqiang2
Corresponding AuthorYang Hongwang(hwyang2000@hotmail.com)
2011-03-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:3Pages:333-336
AbstractAl90Ni2Y8 and Al84Ni8Y8 alloy ribbons were produced by melt-spinning, the structural characterization of the as-quenched samples was performed by XRD, the thermal stability of the as-quenched alloys was characterized using a differential scanning calorimeter (DSC), the magnetism of both Al90Ni2Y8 and Al84Ni8Y8 alloys fully amorphous and partially crystallized were investigated using a superconducting quantum interference device (SQUID). The results show that the magnetism of the amorphous Al90Ni2Y8 and Al84Ni8Y8 alloys are diamagnetism, and the alloys are magnetized more easily with higher Ni content. When the magnetic field reaches 0.5 T, the specific magnetizations of Al90Ni2Y8 and Al84Ni8Y8 alloy are -0.083 and -0.091 Am-2/kg, and the magnetisabilities are -1.66x10(-5) and -1.82x10(-5), respectively. The magnetism of alloys remains unchanged after partially crystallized, but the absolute value of specific magnetization is correspondingly increased. After partially crystallization, the absolute value of specific magnetization of the Al90Ni2Y8 alloy increases from 0.083 Am-2/kg to 0.231 Am-2/kg, and that of the Al84Ni8Y8 alloy increases from 0.091 Am-2/kg to 0.163 Am-2/kg corresponding to a magnetic field of 0.5 T, and also the absolute value of magnetisability reaches to 4.62 x 10(-5) and 3.26x10(-5), respectively, which is attributed to the Ni and Y elemental buildup around the nanometer sized pure Al crystals after partially crystallization.
Keywordamorphous alloy nanocrystallization magnetism
Funding OrganizationNational Natural Science Foundation of China ; Shenyang Bureau of Science and Technological Development
DOI10.3724/SP.J.1037.2010.00406
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50874075] ; Shenyang Bureau of Science and Technological Development[1091177-1-00]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000289587300013
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107106
Collection中国科学院金属研究所
Corresponding AuthorYang Hongwang
Affiliation1.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Gong Jing,Yang Hongwang,Yang Baijun,et al. MAGNETISM OF MONOLITHIC AND PARTIALLY CRYSTALLIZED AMORPHOUS Al-Ni-Y ALLOYS[J]. ACTA METALLURGICA SINICA,2011,47(3):333-336.
APA Gong Jing,Yang Hongwang,Yang Baijun,Wang Ruichun,Li Rongde,&Wang Jianqiang.(2011).MAGNETISM OF MONOLITHIC AND PARTIALLY CRYSTALLIZED AMORPHOUS Al-Ni-Y ALLOYS.ACTA METALLURGICA SINICA,47(3),333-336.
MLA Gong Jing,et al."MAGNETISM OF MONOLITHIC AND PARTIALLY CRYSTALLIZED AMORPHOUS Al-Ni-Y ALLOYS".ACTA METALLURGICA SINICA 47.3(2011):333-336.
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