Mullite is industrial ceramic products 1 most important material. He under high temperature with very high strength, high creep degeneration and very good chemical stability and thermal shock resistance, already is widely used as a refractory material and structure ceramic. To mullite to preparation ceramic, can not only enhance the characteristics of ceramics, increase its wide application range, and more capable to further exploration of mullite performance, continue to produce different ratio, different levels of mullite alumina ceramic, to meet the requirements of the development of production.
According to former production mullite ceramic experience, as well as its raw material in combination with the specific proportion of the experimental conditions we appropriate improvement formula, burned into alumina content with respectively for 60% and 70% of mullite-in ball mill and ceramic grinding way processing raw materials, mixing and made into model, such as cold static pressure molding, and sintering, glazing then sintering. And the apparent test for, and other types of mullite ceramic are compared. After the test, we found that 60% alumina content of mullite ceramic density is bigger, insulation better; 70% alumina content of mullite ceramics has of higher intensity and wear resistance, light and knock sound is ringing.