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Aligned Monotectic Growth in Unidirectionally Solidified Zn-Bi Alloys

Majumdar, B and Chattopadhyay, K (2000) Aligned Monotectic Growth in Unidirectionally Solidified Zn-Bi Alloys. In: METALLURGICAL AND MATERIALS TRANSACTIONS A, 31 (7). pp. 1833-1842.


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The solidification morphology of the Zn-Bi monotectic alloy is studied through directional solidification processing. It is shown that the aligned growth depends on the crystallography of the solid-liquid interface. The best alignment of the monotectic liquid phase (L2) occurs when the growth direction is [0001]Zn followed by that of [1010]Zn. Aligned growth could not be observed in other growth directions. A parametric approach is adopted, which incorporates the mechanical stability of the three phases at the growing interface and Derby and Favier’s criterion for monotectic growth, derived from Jackson and Hunt theory of coupled growth, to identify the possible window of growth conditions and phase spacings where aligned growth is possible.

Item Type: Journal Article
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Arun
Date Deposited: 03 Dec 2008 08:25
Last Modified: 19 Sep 2010 04:52
URI: http://eprints.iisc.ac.in/id/eprint/16582

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