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Articles
Role of small amount of MgO and ZrO2 on creep behaviour of high purity Al2O3Published in Indian Academy of Sciences
2005
DOI: 10.1007/BF02711261
Volume: 28
Issue: 3
Pages: 281 - 285
Small levels of various dopants have a significant effect on creep in polycrystalline alumina. While most previous studies have examined the effect of ionic size, the influence of valency of dopants on creep has not yet been completely characterized. The present detailed experimental study, utilizing magnesia and zirconia with a similar ionic size, demonstrates that the ionic valency of dopants also plays a crucial role in creep since magnesia does not significantly alter creep whereas zirconia retards creep substantially. Magnesia doped alumina deforms by Coble diffusion creep whereas zirconia doped alumina deforms by an interface controlled diffusion creep process. © Indian Academy of Sciences.
Topics: Creep (60)%60% related to the paper, Diffusion creep (60)%60% related to the paper and Cubic zirconia (51)%51% related to the paper
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Content may be subject to copyright.This is a post-peer-review, pre-copyedit version of an article published in Bulletin of Materials Science. The final aut... ...This is a post-peer-review, pre-copyedit version of an article published in Bulletin of Materials Science. The final authenticated version is available online at: https://doi.org/10.1007/BF02711261. The following terms of use apply: https://www.springer.com/gp/open-access/publication-policies/aam-terms-of-use.
About the journal
| Journal | Bulletin of Materials Science |
|---|---|
| Publisher | Indian Academy of Sciences |
| ISSN | 02504707 |
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