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Creep in nanocrystalline zirconia

Ghosh, Santonu and Chokshi, Atul H (2014) Creep in nanocrystalline zirconia. In: SCRIPTA MATERIALIA, 86 . pp. 13-16.

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Official URL: http://dx.doi.org/ 10.1016/j.scriptamat.2014.04.01...

Abstract

Grain boundary sliding remains a dominant deformation process during creep in both nanocrystalline and submicron-grained zirconia. The level of segregation of Y to grain boundaries is reduced by a factor of similar to 2 in nanocrystals. However, a scaling relationship for compression creep was valid in a 3 mol.% yttria-stabilized tetragonal zirconia with grain sizes in the range of similar to 65-400 nm, indicating the same deformation mechanism over this range of grain sizes. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 21 Aug 2014 10:27
Last Modified: 21 Aug 2014 10:27
URI: http://eprints.iisc.ac.in/id/eprint/49647

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