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Substitution of Y2O3 by a rare earth oxide mixture as sintering additive of Si3N4 ceramics

Strecker, K.; Gonzaga, R.; Ribeiro, S.; Hoffmann, M. J.

The objective of this work was to compare the sinterability, the
microstructures and the mechanical properties of Si3N4 ceramics with
additive mixtures based on yttrium oxide, Y2O3, and a mixed concentrate
of yttrium and rare earth oxides. The RE2O3 samples were prepared by a
two-step gas-pressure sintering process. No significant differences
between the samples have been found, thus demonstrating the potential
of this low cost alternative sinter additive.

Zugehörige Institution(en) am KIT Institut für Keramik im Maschinenbau (IKM)
Publikationstyp Zeitschriftenaufsatz
Jahr 2000
Sprache Englisch
Identifikator ISSN: 0167-577X
KITopen-ID: 1000007696
Erschienen in Materials Letters
Band 45
Heft 1
Seiten 39-42
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