The effects of crystallography on grain-boundary migration in alumina

Farrer, Jeffrey K. ; Carter, C. Barry ; Ravishankar, N. (2006) The effects of crystallography on grain-boundary migration in alumina Journal of Materials Science, 41 (3). pp. 661-674. ISSN 0022-2461

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Official URL: http://link.springer.com/article/10.1007/s10853-00...

Related URL: http://dx.doi.org/10.1007/s10853-006-6482-2

Abstract

The sintering process of ceramics involves mass transport across grain boundaries resulting in the migration of these boundaries. When there is a liquid at the interface—as in liquid-phase sintering—the mass transport can be enhanced. In this study, electron backscatter diffraction has been used to examine grain-boundary migration of controlled interfaces in alumina. The interfaces were prepared by hot pressing single-crystal and polycrystalline alumina to single-crystal alumina substrates of known orientation. EBSD patterns, taken near the sintered interfaces, have been used to study the effects of crystallography on migration direction and rate.

Item Type:Article
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ID Code:104886
Deposited On:01 Feb 2018 15:21
Last Modified:01 Feb 2018 15:21

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