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Modeling of the microstructure evolution of a strip cast immiscible alloy
Zhao, JZ
Corresponding AuthorZhao, JZ()
2002-05-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:5Pages:525-528
AbstractThe solidification process in a vertical strip cast immiscible alloy has been analyzed and a model describing the microstructure evolution has been presented. The solidification of the strip cast Al-5Pb (mass fraction,%) alloy has been simulated by coupling the calculated temperature and concentration fields with the kinetic equation which controls the microstructure development. The numerical results show that there exists an undercooled region in front of the solid/liquid interface and the minority phase droplets nucleated there. The droplets grow by diffusion of solute in the supersaturated matrix as they move toward the solid/liquid interface. A higher solidification velocity leads to a higher supersaturation and, therefore, a higher nucleation rate of the minority phase droplets. Thus, the number density of the minority phase droplets increases and the average droplet radius decreases with increasing the solidification velocity.
Keywordmonotectic alloy continuous solidification microstructure evolution modeling
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000175965200016
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/114211
Collection中国科学院金属研究所
Corresponding AuthorZhao, JZ
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhao, JZ. Modeling of the microstructure evolution of a strip cast immiscible alloy[J]. ACTA METALLURGICA SINICA,2002,38(5):525-528.
APA Zhao, JZ.(2002).Modeling of the microstructure evolution of a strip cast immiscible alloy.ACTA METALLURGICA SINICA,38(5),525-528.
MLA Zhao, JZ."Modeling of the microstructure evolution of a strip cast immiscible alloy".ACTA METALLURGICA SINICA 38.5(2002):525-528.
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