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Evolution of Microstructure During Solidification of an Aluminium Alloy Under Stirring

Barman, N and Dutta, P (2012) Evolution of Microstructure During Solidification of an Aluminium Alloy Under Stirring. In: TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 65 (6, SI). pp. 683-687. (In Press)

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Official URL: http://dx.doi.org/10.1007/s12666-012-0192-z


In the present work, the evolution of microstructure during solidification of A356 alloy under stirring is performed experimentally in a high temperature concentric viscometer. The stirring during solidification results a semisolid slurry in the annular space between the cylinders. This slurry is removed periodically during processing using a vacuum removal quartz tube and quenched in water for micrograph analysis. From the micrograph analysis, the shape, stacking arrangement and corresponding microstructural evolution of the suspended primary particles in the slurry are studied. The work also predicts the fraction of solid present in the extracted slurry. Finally, the effect of microstructure and the solid-fraction on the slurry viscosity is presented.

Item Type: Journal Article
Publisher: Springer India
Additional Information: Copyright for this article belongs to SPRINGER INDIA, NEW DELHI, INDIA
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 28 Dec 2012 06:47
Last Modified: 28 Dec 2012 06:47
URI: http://eprints.iisc.ac.in/id/eprint/45456

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