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Transformation of precipitated phases in Zr50.5Cu34.5-xNi4Al11Agx alloy master ingots with adding Ag
Deng, S. T.1,2; Yan, P. F.1,2; Zhang, H. F.1; Wang, A. M.1; Hu, Z. Q.1
Corresponding AuthorZhang, H. F.(hfzhang@imr.ac.cn)
2011-11-01
Source PublicationMATERIALS SCIENCE AND TECHNOLOGY
ISSN0267-0836
Volume27Issue:11Pages:1632-1638
AbstractThe transformation of precipitated phases of Zr50.5Cu34.5-xNi4Al11Agx alloy master ingots with Ag substitution of Cu was studied in detail by phase analysis. The precipitated (Zr-Cu) rich phases deteriorate the glass forming ability (GFA) of Zr50.5Cu34.5Ni4Al11. Two new (Zr-Cu) rich phases, A1 with bcc structure and a=0.339 nm and A2 with fcc superlattice structure and a=1.21 nm, were identified by a transmission electron microscope. When x=2, A1 phase disappears, and A2 phase remains and is suppressed gradually with further Ag addition. When x=13, one precipitated phase with Ag more than 13 at-% begins to deteriorate GFA. In the view of chemistry, the precipitation of (Zr-Cu) rich phases means that the interaction between Cu and Zr atoms is rather drastic. The addition of Ag weakens the interaction between Cu and Zr. The similar competition mechanism proposed by the authors plays an important role in suppressing precipitated phases and improving GFAs.
KeywordPhase transformation Glass forming ability Bulk metallic glass Microstructure characterisation
Funding OrganizationNational Natural Science Foundation of China
DOI10.1179/1743284710Y.0000000006
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50825402] ; National Natural Science Foundation of China[50731005]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000296582800004
PublisherMANEY PUBLISHING
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/103723
Collection中国科学院金属研究所
Corresponding AuthorZhang, H. F.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Deng, S. T.,Yan, P. F.,Zhang, H. F.,et al. Transformation of precipitated phases in Zr50.5Cu34.5-xNi4Al11Agx alloy master ingots with adding Ag[J]. MATERIALS SCIENCE AND TECHNOLOGY,2011,27(11):1632-1638.
APA Deng, S. T.,Yan, P. F.,Zhang, H. F.,Wang, A. M.,&Hu, Z. Q..(2011).Transformation of precipitated phases in Zr50.5Cu34.5-xNi4Al11Agx alloy master ingots with adding Ag.MATERIALS SCIENCE AND TECHNOLOGY,27(11),1632-1638.
MLA Deng, S. T.,et al."Transformation of precipitated phases in Zr50.5Cu34.5-xNi4Al11Agx alloy master ingots with adding Ag".MATERIALS SCIENCE AND TECHNOLOGY 27.11(2011):1632-1638.
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