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The influence of trace elements on grain boundary processes in yttria-stabilized tetragonal zirconia

Chokshi, AH and Yoshida, H and Ikuhara, Y and Sakuma, T (2003) The influence of trace elements on grain boundary processes in yttria-stabilized tetragonal zirconia. In: Materials Letters, 57 (26-27). pp. 4196-4201.

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Abstract

Experimental results on a 2 mol% yttria-stabilized tetragonal zirconia (2YTZ) reveal that grain growth is accelerated by Al segregation to boundaries even in the absence of an amorphous grain boundary phase. This is consistent with an analysis of Coble diffusion creep indicating an increase in grain boundary diffusion coefficient with the segregation of Al to grain boundaries.

Item Type: Journal Article
Additional Information: The copyright of this article belongs to Elsevier.
Keywords: Grain boundary;Diffusion;Grain growth;Segregation;Creep; Zirconia
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 15 Feb 2007
Last Modified: 19 Sep 2010 04:34
URI: http://eprints.iisc.ernet.in/id/eprint/9704

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