A Possibility to Decrease the Sintering Temperature of Corundum Ceramics
Mots-clés :
alumina, sintering temperature, corundum, calcium titanateRésumé
The ceramics consisting of more than 95% Al2O3 is called corundum ceramics. The name comes from the name of the α-crystalline form of the aluminum oxide-corundum.
The basic technological process influencing the properties of this ceramic is the temperature and the duration of the sintering process. Sintering aids are used to improve sintering and to control grain size.
The possibility to use CaTiO3 as sintering aid is investigated. This substance lowers the sintering temperature with more than 100 oC and at the same time the mechanical properties are preserved. The compressive strength is more than 2000 MPa and the flexural strength is more than 200 MPa.
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Publiée
2011-09-15
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Articles
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1.
A Possibility to Decrease the Sintering Temperature of Corundum Ceramics. Ann_UGAL_MMS [Internet]. 15 sept. 2011 [cité 2 nov. 2026];34(3):58-60. Disponible sur: https://ojs.ugal.ro/index.php/mms/article/view/2941
