Abstract
The article describes the loam of the Kubekovsky deposit of the Krasnoyarsk Territory, which is widely used in the production of ceramic bricks in factories that produce wall materials. In the studies described in the article, mechanoactivation and modification were used to improve its technological and physico-mechanical characteristics. Mechanoactivation was carried out in a hydrodynamic dispersant. As the additive-modifier used waste stoneplant serpentinites of the Perevalnoye deposit. The effect of the additive-modifier on the properties of ceramic compositions is shown. It is shown that a small amount of serpentinite up to three percent -significantly increases the compressive strength of fired ceramic samples.If the composition has an additive of more than three percent, a decrease in strength characteristics is observed, this is related, probably due to the fact that most of the magnesium oxide remains unreacted. White inclusions areobserved visually in the structure of calcined samples throughout the volume. The combined effect of mechanoactivation and modification is shown, which makes it possible to improve the technological and physicomechanical characteristics of the ceramic shard. The results of electron microscopy are presented, suggesting that the microstructure of a ceramic shard activated with the addition of serpentinite contains moremullite-rich mixed crystals, as well as devitrified areas. Inclusions of magnesium oxide are not observed. Magnesium oxide in the ceramiccomposition serves as a primer capable of making the melt more liquid,accelerating its devitrification.
Highlights
The article describes the loam of the Kubekovsky deposit of the Krasnoyarsk Territory, which is widely used in the production of ceramic bricks in factories that produce wall materials
Poles of ecological disadvantage have been formed in Russia, especially in industrial regions, including Siberia and the Krasnoyarsk Territory, which negatively affects people's quality of life, their health, and life expectancy
Since modern construction is on the way to improve the efficiency of wall products by creating a significant number of technological cavities with thin ceramic partitions, very high quality raw materials are required, when firing, the probability of deformation of thin partitions and the decrease in the physical and mechanical characteristics of the material are much higher
Summary
The article describes the loam of the Kubekovsky deposit of the Krasnoyarsk Territory, which is widely used in the production of ceramic bricks in factories that produce wall materials.
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