Sintering of Magnesia Doped Sol-Gel Alumina

Sintering of Magnesia Doped Sol-Gel Alumina

The effect of the original boehmite structure, seeding and MgO doping on the phase transformation of transitional aluminas and alpha-Al2O3 densification was studied. MgO doping has a very important role in the processing of gel-derived Al2O3; this role is not the same as in the classical one. Seedin...

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Veröffentlicht in:Key engineering materials 1997-04, Vol.132-136 (2), p.908-911
Hauptverfasser: Radonjić, Ljiljana, Nikolić, L.M., Obrenovic, Z.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Miscellaneous
Technical ceramics
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Zusammenfassung:The effect of the original boehmite structure, seeding and MgO doping on the phase transformation of transitional aluminas and alpha-Al2O3 densification was studied. MgO doping has a very important role in the processing of gel-derived Al2O3; this role is not the same as in the classical one. Seeding of the boehmite gel reduces the transformation temperature and changes the microstructure, but the boehmite source plays only a secondary role in all stages of Al2O3 processing. 12 refs.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.132-136.908