Journal of Materials, Processes and Environment
Volume 1, Numéro 1, Pages 62-66
2013-05-03

Preparation And Characterization Of B2o3- Bao-al2o3 (bba) Glass System



Authors : Aboutaleb Djamila .

Abstract

In borate glasses, the main structural units are the [BO3] triangles and [BO4] tetradral which form different superstructural units like; boroxol rings, metaborate rings and chains, pentaborate, diborate, triborate and pyroborate. In this work, the Barium aluminoborate glasses were prepared. Some of properties were investigated by measure like density and chemical durability and the other by calculs. The dilatometric curves were determined and they revealed that the temperature of transition (Tg) and softening (Ts) and the dilatation coefficient increase by addition of Al2O3 and BaO content.

Keywords

Barium aluminoborate glass, density, chemical durability, dilatometric curves.

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