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Solidification Characteristics and Micro-Segregation of Sub-Eutectoid U-Nb Alloy
Chen Bo1; Zhao Xiujuan1; Liu Kui1; Chen Shijun2; Wang Zhenhong2
Corresponding AuthorChen Bo(bchen@imr.ac.cn)
2018-02-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume47Issue:2Pages:642-646
AbstractThe solidus, liquidus and volume of residual liquid were achieved by analyzing the solidification behavior of a sub-eutectoid U-Nb alloy. Results show that the dentritic crystal connects with each other and residual liquid is separated by solid phase during terminal solidification. Thus, serious micro-porosity form easily in isolated residual liquid area for the filling channels plugging and residual liquid unable to fill the pore, and the amount of porosity in casting is about 1.6% derived from theoretical calculation. The segregation coefficients of niobium at intermediate and terminal solidification are 0.16 and 0.11, respectively, which indicates that Nb is a strong negative segregation element and it severely clusters in the dendritic area.
Keywordsub-eutectoid U-Nb alloy solidification micro-segregation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000429187900038
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/127712
Collection中国科学院金属研究所
Corresponding AuthorChen Bo
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.China Acad Engn Phys, Mianyang 621900, Peoples R China
Recommended Citation
GB/T 7714
Chen Bo,Zhao Xiujuan,Liu Kui,et al. Solidification Characteristics and Micro-Segregation of Sub-Eutectoid U-Nb Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2018,47(2):642-646.
APA Chen Bo,Zhao Xiujuan,Liu Kui,Chen Shijun,&Wang Zhenhong.(2018).Solidification Characteristics and Micro-Segregation of Sub-Eutectoid U-Nb Alloy.RARE METAL MATERIALS AND ENGINEERING,47(2),642-646.
MLA Chen Bo,et al."Solidification Characteristics and Micro-Segregation of Sub-Eutectoid U-Nb Alloy".RARE METAL MATERIALS AND ENGINEERING 47.2(2018):642-646.
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