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Title: Grain boundary segregation in high-purity, yttria-stabilized tetragonal zirconia polycrystals (Y-TZP)
Authors: Stemmer, Susanne ×
Vleugels, Jef
Van der Biest, Omer #
Issue Date: 1998
Publisher: Elsevier Science Publishers
Series Title: Journal of the European Ceramic Society vol:18 issue:11 pages:1565-1570
Abstract: In this paper, we use high-resolution transmission electron microscopy and electron energy-loss spectroscopy to study the microstructure of grain boundaries and the segregation of yttrium, respectively, in yttria-stabilized tetragonal polycrystalline zirconia, sintered from different high-purity powders. No amorphous films were observed at the grain boundaries, and only the sample containing the highest amount of silicon impurity showed presence of an amorphous silicate phase in all triple grain junctions. A strong yrtrium segregation to the grain boundaries is observed in all samples, despite different grain sizes and impurity levels. (C) 1998 Elsevier Science Limited. All rights reserved.
URI: 
ISSN: 0955-2219
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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