Abstract
Brick clay is nowadays modified by various procedures to achieve the best properties when used for building ceramic products. In the treatment of these clays, the properties are regulated by changing the quantity of water, sharpening, lightening, venting, settling, using additives, but also by consistent homogenization, crushing, grinding and mixing. This article compares several clay bricks before and after treatment and also compares them with ceramic clay. Comparative parameters are bulk density, porosity, water absorption, compressive strength and flexural strength, long-term changes in burning and weight loss by burning.
Highlights
The influence of the final shape of the brick body has in particular the composition of the mixture and the production of the brick body.The original raw material for ceramic products in ancient times was clay soil
The last type of soil to be considered in this article is ceramic clay, a mixture designed for the production of ceramic vases and other ornamental products
The following tests were subsequently performed on these samples: Long tan changes, Determination of weight loss by burning, Water absorption, Apparent porosity, Bulk density and Determination of compressive strength as well as flexural tension
Summary
The original raw material for ceramic products in ancient times was clay soil. The properties of the brick blocks are modified or the production mixtures are modified, especially due to better thermal insulation properties. This article compares the production mixes with their basic raw materials, ie brick clay without any modifications and admixtures. Two production mixtures were selected, each from a different brick block manufactures.
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