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Stoichiometry Defect at Grain Boundary Observed by Nano‐Scale TEM Microanalysis in Spinel MgAl 2 O 4
Spinel presents a grain boundary sliding deformation accommodated by diffusion during creep at high temperature. A space charge layer at grain boundary in ionic ceramics can explain the observed interface reaction controlling diffusion at low stress. The purpose of this work is to study the grain bo...
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Published in: | Advanced engineering materials 2004-10, Vol.6 (10), p.822-825 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Spinel presents a grain boundary sliding deformation accommodated by diffusion during creep at high temperature. A space charge layer at grain boundary in ionic ceramics can explain the observed interface reaction controlling diffusion at low stress. The purpose of this work is to study the grain boundary region stoichiometry to confirm this theory. |
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ISSN: | 1438-1656 1527-2648 |
DOI: | 10.1002/adem.200400083 |