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Sintering of ceramic powders: Determination of the densification and grain growth mechanisms from the 'grain size/relative density'trajectory

Sintering in air was performed on pure slip cast alpha-alumina and yttria samples. The 'grain size/relative density'trajectory, called 'sintering path', has been established for both materials. With simple considerations, it is shown that it is possible to determine the mechanism...

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Bibliographic Details
Published in:Scripta materialia 2007-07, Vol.57 (2), p.137-140
Main Authors: Bernard-Granger, Guillaume, Monchalin, Nathalie, Guizard, Christian
Format: Article
Language:English
Online Access:Get full text
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Summary:Sintering in air was performed on pure slip cast alpha-alumina and yttria samples. The 'grain size/relative density'trajectory, called 'sintering path', has been established for both materials. With simple considerations, it is shown that it is possible to determine the mechanisms controlling grain growth and densification from the 'sintering path' of alumina and yttria. Previous results, obtained when investigating sintering of pure or doped alumina, are re-analyzed using the formalism that has been developed.
ISSN:1359-6462
DOI:10.1016/j.scriptamat.2007.03.030