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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
通讯作者Chen Bo(bchen@imr.ac.cn)
2018-02-01
发表期刊RARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
卷号47期号:2页码:642-646
摘要The 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.
关键词sub-eutectoid U-Nb alloy solidification micro-segregation
收录类别SCI
语种英语
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000429187900038
出版者NORTHWEST INST NONFERROUS METAL RESEARCH
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/127712
专题中国科学院金属研究所
通讯作者Chen Bo
作者单位1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.China Acad Engn Phys, Mianyang 621900, Peoples R China
推荐引用方式
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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