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Sialon Ceramics Made with Mixtures of Y2O3-Nd2O3 as Sintering Aid
University of Stockholm.
University of Stockholm.
1990 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, E-ISSN 1873-619X, Vol. 6, no 2, 119-127 p.Article in journal (Refereed) Published
Abstract [en]

Sialon ceramics have been prepared by pressureless sintering at 1775 and 1825°C, using mixtures of Y2O3---Nd2O3 as sintering aids. It was found that at 1775°C less dense materials were obtained, but by raising the sintering temperature to 1825°C fully dense materials could be produced, even when pure neodymia was used. The hardness of the Nd-sialon ceramics was found to be slightly lower than for the corresponding Y-sialon ceramics, but the fracture toughness was approximately the same. It was also observed that the amount of intergranular phase increased when yttria was replaced by neodymia.

Place, publisher, year, edition, pages
1990. Vol. 6, no 2, 119-127 p.
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Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-60865DOI: 10.1016/0955-2219(90)90045-HOAI: oai:DiVA.org:liu-60865DiVA: diva2:359599
Available from: 2010-10-28 Created: 2010-10-28 Last updated: 2017-12-12

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Käll, Per-Olov

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