Determination of approaches to the development of ceramic compositions for the manufacture of facial bricks

This paper considers the principles of designing a composite mixture for the production of ceramic facing bricks based on clay materials. The complex of conducted researches allows establishing rational technological parameters of molding and firing of ceramic products to achieve high values of operational properties. Composite charges were obtained based on clays from Druzhkovsky and Zalyutinsky deposits, as well as on clay wastes of zircon-ilmenite sand enrichment from Vilnohirsk Mining and Metallurgical Plant. It was established that based on these materials by forming via the method of rigid extrusion and application of firing at temperatures of 1020–10400С, it is possible to fabricate a ceramic brick of grade not lower than M225.