Influence of additive composition on microstructure of sialons

G.Z. Cao, R. Metselaar, G. Ziegler

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Samenvatting

The relationship between composition and microstructure of a'-sialons was studied. The typical microstructure of a' -sialon ceramics consists of a crystalline phase of sialons and a small fraction of amorphous phase at grain boundaries. The addition of La2O3 to the starting mixtures promotes the incorporation of yttrium ions into the crystal lattice and also results in the formation of many crystal defects in the a' grains. This result suggests that a small amount of La3+ ions, together with yttrium cations, can enter the lattice of a' -sialons.
Originele taal-2Engels
TitelEuro-Ceramics 2 : Proceedings of the 2nd European Ceramic Society Conference, 11-14 sep. 1991, Augsburg
RedacteurenG. Ziegler, H. Hausner
Plaats van productieAugsburg
UitgeverijDeutsche Keramische Gesellschaft
Pagina's883-887
ISBN van geprinte versie3-925543-11-2
StatusGepubliceerd - 1991

Publicatie series

NaamEuro-Ceramics II
Volume2

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