Face Ceramic Brick of Soft Molding Based on Opoka-Like Raw Materials

Abstract:

This article reflects the results of a set of studies on obtaining a face ceramic brick of soft molding with the search for raw materials and the development of an optimal production technology. It proposed and formulated the basic requirements for opoka-like rocks for the production of various types of wall ceramic products. They include recommendations on the chemical composition and such physical, mechanical and technological properties as density in the piece, natural humidity, porosity, mineral composition, compressive strength of the baked samples, fire shrinkage, water absorption, average density, etc. We proposed the so-called "soft molding" as a production technology. It is based on the principle of filling individual forms with a ceramic mass that has a certain plasticity and binding capacity. The appearance of such a brick is characterized by the absence of smooth edges and sides and rounded corners. The sand used for spilling forms produces a special effect of velvety and old-looking brick. The conclusions based on the results of laboratory and technological research as well as factory tests revealed the great promise for using opoka-like rocks as a raw material for the production of face ceramic bricks of soft molding.

• Periodical: Solid State Phenomena (Volume 299)
• Pages: 221-226
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.299.221
• Online since: January 2020
• Authors: J. Bozhko*, Kira Lapunova, L.V. Postoi
• Keywords: Calcination Temperature, Ceramic Weight, Degree of Grinding, Face Brick, Humidity, Opoka-Like Rocks, Soft Molding

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