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EFFECTS OF Bi ADDITION ON SOLIDIFICATION BEHAVIOR AND MICROSTRUCTURE OF AZ80 MAGNESIUM ALLOY
Wang Yaxiao; Fu Junwei; Wang Jing; Luo Tianjiao; Dong Xuguang; Yang Yuansheng
Corresponding AuthorYang Yuansheng(ysyang@imr.ac.cn)
2011-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:4Pages:410-416
AbstractThe solidification behavior and as-cast microstructure in AZ80-Bi magnesium alloy were analysed by OM, SEM, XRD and DSC. Meanwhile, the evolution of the solidification microstructure of AZ80-2%Bi alloy was studied by heating-quenching experiments. The results show that the as-cast microstructure of AZ80-2%Bi consists of primary alpha-Mg matrix, divorced eutectic beta-Mg(17)Al(12) phase and Mg(3)Bi(2) phase. The Mg(3)Bi(2) phase exists in the flake-like and granule-like morphologies. With 2.0%Bi addition, the solidification procedure of AZ80 magnesium alloy is changed. The ternary eutectic transformation L-->alpha-Mg+beta-Mg(17)Al(12)+Mg(3)Bi(2) (at 435 degrees C) takes place during solidification of AZ80-2%Bi alloy instead of the binary eutectic transformation L-->alpha-Mg+beta-Mg(17)Al(12) (at 437 degrees C) in AZ80 alloy. Comparing with AZ80 alloy, the nucleating temperature of primary alpha-Mg in AZ80-2%Bi alloy is decreased from 568.8 degrees C to 562.6 degrees C, and the eutectic temperature is also decreased from 424.2 degrees C to 421.1 degrees C.
KeywordAZ80 magnesium alloy Bi solidification procedure eutectic transformation
Funding OrganizationNational Basic Research Program of China
DOI10.3724/SP.J.1037.2010.00604
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2007CB613705]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000290353700005
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/103804
Collection中国科学院金属研究所
Corresponding AuthorYang Yuansheng
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang Yaxiao,Fu Junwei,Wang Jing,et al. EFFECTS OF Bi ADDITION ON SOLIDIFICATION BEHAVIOR AND MICROSTRUCTURE OF AZ80 MAGNESIUM ALLOY[J]. ACTA METALLURGICA SINICA,2011,47(4):410-416.
APA Wang Yaxiao,Fu Junwei,Wang Jing,Luo Tianjiao,Dong Xuguang,&Yang Yuansheng.(2011).EFFECTS OF Bi ADDITION ON SOLIDIFICATION BEHAVIOR AND MICROSTRUCTURE OF AZ80 MAGNESIUM ALLOY.ACTA METALLURGICA SINICA,47(4),410-416.
MLA Wang Yaxiao,et al."EFFECTS OF Bi ADDITION ON SOLIDIFICATION BEHAVIOR AND MICROSTRUCTURE OF AZ80 MAGNESIUM ALLOY".ACTA METALLURGICA SINICA 47.4(2011):410-416.
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