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Isothermal nanocrystallization of Zr55Al10Ni5-Cu-30 bulk amorphous alloy near the glass transition temperature
Zhang, QS; Deng, YF; He, LL; Zhang, HF; Ding, BZ; Hu, ZQ
Corresponding AuthorZhang, QS()
2003-03-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:3Pages:301-304
AbstractIsothermal nanocrystallization of Zr55Al10Ni5Cu30 bulk amorphous alloy near the glass transition temperature has been investigated by DSC, XRD and TEM. Nanocrystals with a size of 20 nm precipitated from the amorphous matrix when annealed at 420 degreesC for 5 h, and homogeneous medium-range order (structure on the 1-2 nm scale) appeared in the amorphous matrix. As annealed at 420 degreesC for 10 h, the nanocrystals have a size of 20-50 nm and a volume fraction of about 40%. The annealing treatment at 420 degreesC for 20 h led to the completion of crystallization of the amorphous structure, but the crystalline phases have a size of 50 nm, justly as the sample treated for 5 h. The crystallization of Zr55Al10Ni5Cu30 bulk amorphous alloy at 420 degreesC is through a process of amorphous --> amorphous with medium-range order + metastable phases --> metastable phases.
KeywordZr55Al10Ni5CU30 bulk amorphous alloy nanocrystallization microstructure thermal stability
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000182216200016
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/117696
Collection中国科学院金属研究所
Corresponding AuthorZhang, QS
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Shenyang Normal Univ, Dept Phys, Shenyang 110034, Peoples R China
Recommended Citation
GB/T 7714
Zhang, QS,Deng, YF,He, LL,et al. Isothermal nanocrystallization of Zr55Al10Ni5-Cu-30 bulk amorphous alloy near the glass transition temperature[J]. ACTA METALLURGICA SINICA,2003,39(3):301-304.
APA Zhang, QS,Deng, YF,He, LL,Zhang, HF,Ding, BZ,&Hu, ZQ.(2003).Isothermal nanocrystallization of Zr55Al10Ni5-Cu-30 bulk amorphous alloy near the glass transition temperature.ACTA METALLURGICA SINICA,39(3),301-304.
MLA Zhang, QS,et al."Isothermal nanocrystallization of Zr55Al10Ni5-Cu-30 bulk amorphous alloy near the glass transition temperature".ACTA METALLURGICA SINICA 39.3(2003):301-304.
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