Reaction sintered dense zirconia-mullite composites were prepared by isostatically pressing from zircon flour and reactive alumina with different proportions of TiO_2 and Cr_2O_3 additives. The pressed compacts were s...Reaction sintered dense zirconia-mullite composites were prepared by isostatically pressing from zircon flour and reactive alumina with different proportions of TiO_2 and Cr_2O_3 additives. The pressed compacts were sintered at different elevated temperatures with variable soaking times. Microstructures and phase development in the sintered compacts were analysed to assess the influence of the additives on the properties of the zirconia mullite composite.展开更多
文摘Reaction sintered dense zirconia-mullite composites were prepared by isostatically pressing from zircon flour and reactive alumina with different proportions of TiO_2 and Cr_2O_3 additives. The pressed compacts were sintered at different elevated temperatures with variable soaking times. Microstructures and phase development in the sintered compacts were analysed to assess the influence of the additives on the properties of the zirconia mullite composite.