IMECH-IR  > 力学所知识产出(1956-2008)
Tailoring of Dendritic Microstructure in Solidification Processing by Crucible Vibration / Rotation
Billia B; Nguyen Thi H; Reinhart G; Dabo Y; Zhou BH(周炳红); Liu QS(刘秋生); Lyubimova T; Roux B; Lan CW
Source PublicationMicrogravity Science and Technology
2005
Volume16Issue:1-4Pages:15-19
ISSN0938-0108
AbstractDirectional solidification of alloys, which allows the independent control of growth parameters (pulling velocity, temperature gradient), is an experimental method of choice for the investigation of many fundamental problems (e.g. microstructure formation and selection, segregation of chemical species) encountered in the processing of structural materials. Upward directional solidification is carried out on hypoeutectic Al-Ni alloys, under natural and controlled fluid-flow conditions. First, the influence of natural convection on solidified dendritic microstructure is analyzed as a function of growth parameters. Then, directional solidification experiments with axial vibration are performed. It results that crucible vibration can be used to either damp or control fluid flow in the melt, and thus tailor columnar or “equiaxed” dendritic mush. Advanced modeling and numerical simulation are essential to clarify and quantify the various physical effects. Microgravity benchmark experiments under diffusion transport, and possibly with crucible rotation, are foreseen using the Materials Science Laboratory of ESA on ISS.
DOI10.1007/BF02945938
Indexed BySCI
Language英语
WOS IDWOS:000207519500003
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/13723
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Billia B,Nguyen Thi H,Reinhart G,et al. Tailoring of Dendritic Microstructure in Solidification Processing by Crucible Vibration / Rotation[J]. Microgravity Science and Technology,2005,16,1-4,:15-19.
APA Billia B.,Nguyen Thi H.,Reinhart G.,Dabo Y.,周炳红.,...&Lan CW.(2005).Tailoring of Dendritic Microstructure in Solidification Processing by Crucible Vibration / Rotation.Microgravity Science and Technology,16(1-4),15-19.
MLA Billia B,et al."Tailoring of Dendritic Microstructure in Solidification Processing by Crucible Vibration / Rotation".Microgravity Science and Technology 16.1-4(2005):15-19.
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