| abstract |
Molten grains having the following chemical composition, in weight percentages based on the oxides: - more than 15% and less than 55% AlO 2, - more than 25% and less than 60% TiO, - less than 20% , in total, at least one oxide of an element M selected from MgO, CoO, more than 0.7% and less than 20%, in total, of at least one oxide of an element M chosen from the group consisting of Fe O, Cr O, MnO, LaO, YO, Ga O, less than 20% in total, of at least one oxide of an element M selected from the group consisting of ZrO, CeO, HfO, less than 30% SiO. Product or ceramic material, obtained by sintering said grains. |