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Tem Observations of Grain Boundaries in Ceramics

Published online by Cambridge University Press:  21 February 2011

M. Rühle
M. Rühle*
Affiliation:
Max-Planck-Institut für Metallforschung, Institut für Werkstoffwissen-schaften, Seestraße 92, 7000 Stuttgart 1, West-Germany.
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Abstract

Grain boundaries in ZrO2-containing alumina, ZrO2, and in Ni1−yO (containing different impurities) were investigated by TEM including analytical studies. Quite frequently, interphases exist at the boundaries. The interphases are composed mainly by impurities present in the materials. The “width” of boundaries in Ni1-yO depends on intrinsic defects as well as on impurities; the dependency will be discussed. The observations are related to properties of the different ceramics.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 31: Symposium N – Electron Microscopy of Materials , 1983 , 317
Copyright
Copyright © Materials Research Society 2006

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References

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