Coloring anAl2O3CrystalUsing Transitional Elements

Abstract

This study included the coloring of alumina crystallization using transitional elements for the production of chromatic pigments، and for this purpose cobalt oxidation (CoO) and alumina crystallization (Al₂O₃) were identified. The spatial boundaries were within the boundaries of the province of Babylon. Three mixtures were prepared and the crystal was colored in the first mixture (10%) cobalt and the second by 5% and the third by 2.5%. Then، the mixture was placed in each of the bunkers individually and entered the oven to be discharged at a temperature of (1200C) and dryly removed from the oven to be grinded by an electric grinder and applied to the ceramic objects after adding them to the ready-made glass. At three temperatures (950C – 1000C - 1050C) in an electric oven. The results showed the possibility of coloration of the crystal and the production of chromatic pigments، and the possibility of using these pigments produced at different temperatures. The results also showed the suitability of these pigments for ready-made glass and their suitability for ceramic objects.