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On the emergence of new surface grains during superplastic deformation

Chokshi, Atul H (2001) On the emergence of new surface grains during superplastic deformation. In: Scripta Materialia, 44 (11). pp. 2611-2615.

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Abstract

Superplasticity, the ability of some polycrystalline materials to exhibit large elongations to failure offers an attractive and cost effective means for forming some components with complex shapes, and it is being used currently in several aerospace and other applications [1–3]. Although the phenomenon has been studied extensively since the 1960’s [1,2,4 –7], the fundamental rate controlling deformation mechanism has not yet been unambiguously identified. One of the key microstructural observations following superplastic deformation is the retention of an equiaxed grain size following large elongations.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Superplasticity;Grain growth;Surface grains
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 30 Mar 2007
Last Modified: 19 Sep 2010 04:36
URI: http://eprints.iisc.ernet.in/id/eprint/10514

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